Migrate pap startup & controllers to spring boot

This commit migrates pap config, startup and controllers to spring boot.

Change-Id: Icf91d728160a23db614dfba6b40ddccd2f6163a5
Issue-ID: POLICY-3754
Signed-off-by: a.sreekumar <ajith.sreekumar@bell.ca>

68 files changed, 1376 insertions, 1638 deletions

diff --git a/main/pom.xml b/main/pom.xml
index b2868c92..dc77119f 100644
--- a/main/pom.xml
+++ b/main/pom.xml
@@ -2,7 +2,7 @@
   ============LICENSE_START=======================================================
    Copyright (C) 2019 Nordix Foundation.
    Modifications Copyright (C) 2019-2020 AT&T Intellectual Property.
-   Modifications Copyright (C) 2020 Bell Canada.
+   Modifications Copyright (C) 2020-2021 Bell Canada.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -36,27 +36,43 @@
 
     <dependencies>
         <dependency>
-            <groupId>commons-cli</groupId>
-            <artifactId>commons-cli</artifactId>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.onap.policy.common</groupId>
-            <artifactId>common-parameters</artifactId>
-            <version>${policy.common.version}</version>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.onap.policy.common</groupId>
-            <artifactId>utils</artifactId>
-            <version>${policy.common.version}</version>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-aop</artifactId>
+            <version>${version.springboot}</version>
         </dependency>
         <dependency>
-            <groupId>org.onap.policy.common</groupId>
-            <artifactId>policy-endpoints</artifactId>
-            <version>${policy.common.version}</version>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+            <version>${version.springboot}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.micrometer</groupId>
+            <artifactId>micrometer-registry-prometheus</artifactId>
+            <version>${version.io.micrometer}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-boot-starter</artifactId>
+            <version>${version.springfox}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <scope>runtime</scope>
         </dependency>
+
         <dependency>
             <groupId>org.onap.policy.common</groupId>
-            <artifactId>gson</artifactId>
+            <artifactId>policy-endpoints</artifactId>
             <version>${policy.common.version}</version>
         </dependency>
         <dependency>
@@ -75,11 +91,6 @@
             <version>${policy.models.version}</version>
         </dependency>
         <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
             <groupId>org.onap.policy.common</groupId>
             <artifactId>utils-test</artifactId>
             <version>${policy.common.version}</version>
@@ -91,15 +102,24 @@
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>com.h2database</groupId>
-            <artifactId>h2</artifactId>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.vintage</groupId>
+            <artifactId>junit-vintage-engine</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
     </dependencies>
 
     <build>
@@ -120,5 +140,19 @@
                 </excludes>
             </resource>
         </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                        <phase>package</phase>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
     </build>
 </project>
\ No newline at end of file
diff --git a/main/src/main/java/org/onap/policy/pap/main/PapExceptionHandler.java b/main/src/main/java/org/onap/policy/pap/main/PapExceptionHandler.java
new file mode 100644
index 00000000..54418123
--- /dev/null
+++ b/main/src/main/java/org/onap/policy/pap/main/PapExceptionHandler.java
@@ -0,0 +1,85 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Bell Canada. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main;
+
+import java.util.UUID;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.base.PfModelRuntimeException;
+import org.onap.policy.models.errors.concepts.ErrorResponse;
+import org.onap.policy.pap.main.rest.PapRestControllerV1;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.context.request.WebRequest;
+
+@RestControllerAdvice
+public class PapExceptionHandler {
+
+    private static final Logger logger = LoggerFactory.getLogger(PapExceptionHandler.class);
+
+    /**
+     * Handle PfModelException.
+     *
+     * @return ResponseEntity the response
+     */
+    @ExceptionHandler(PfModelException.class)
+    public ResponseEntity<ErrorResponse> pfModelExceptionHandler(PfModelException exp, WebRequest req) {
+        return handlePfModelException(exp, exp.getErrorResponse(), req);
+    }
+
+    /**
+     * Handle PfModelRuntimeException.
+     *
+     * @return ResponseEntity the response
+     */
+    @ExceptionHandler(PfModelRuntimeException.class)
+    public ResponseEntity<ErrorResponse> pfModelRuntimeExceptionHandler(PfModelRuntimeException exp, WebRequest req) {
+        return handlePfModelException(exp, exp.getErrorResponse(), req);
+    }
+
+    private ResponseEntity<ErrorResponse> handlePfModelException(Exception exp, ErrorResponse errorResponse,
+        WebRequest req) {
+        logger.warn(exp.getMessage(), exp);
+        String requestId = req.getHeader(PapRestControllerV1.REQUEST_ID_NAME);
+        return PapRestControllerV1.addLoggingHeaders(
+            PapRestControllerV1
+                .addVersionControlHeaders(ResponseEntity.status(errorResponse.getResponseCode().getStatusCode())),
+            requestId != null ? UUID.fromString(requestId) : null).body(errorResponse);
+    }
+
+    /**
+     * Handle IllegalArgumentException.
+     *
+     * @return ResponseEntity the response
+     */
+    @ExceptionHandler(IllegalArgumentException.class)
+    public ResponseEntity<String> handleIllegalArgumentException(IllegalArgumentException exp, WebRequest req) {
+        String errorMessage = exp.getClass().getName() + " " + exp.getMessage();
+        logger.warn(exp.getMessage(), exp);
+        String requestId = req.getHeader(PapRestControllerV1.REQUEST_ID_NAME);
+        return PapRestControllerV1.addLoggingHeaders(
+            PapRestControllerV1.addVersionControlHeaders(ResponseEntity.status(HttpStatus.BAD_REQUEST)),
+            requestId != null ? UUID.fromString(requestId) : null).body(errorMessage);
+    }
+}
diff --git a/main/src/main/java/org/onap/policy/pap/main/PolicyPapApplication.java b/main/src/main/java/org/onap/policy/pap/main/PolicyPapApplication.java
new file mode 100644
index 00000000..4a13c74d
--- /dev/null
+++ b/main/src/main/java/org/onap/policy/pap/main/PolicyPapApplication.java
@@ -0,0 +1,42 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Bell Canada. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import org.onap.policy.common.gson.GsonMessageBodyHandler;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
+import org.springframework.context.annotation.Bean;
+
+@SpringBootApplication(exclude = {JacksonAutoConfiguration.class})
+public class PolicyPapApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(PolicyPapApplication.class, args);
+    }
+
+    @Bean
+    public Gson gson() {
+        return GsonMessageBodyHandler.configBuilder(new GsonBuilder()).create();
+    }
+}
diff --git a/main/src/main/java/org/onap/policy/pap/main/comm/PdpMessageGenerator.java b/main/src/main/java/org/onap/policy/pap/main/comm/PdpMessageGenerator.java
index 8dad7ac4..02609535 100644
--- a/main/src/main/java/org/onap/policy/pap/main/comm/PdpMessageGenerator.java
+++ b/main/src/main/java/org/onap/policy/pap/main/comm/PdpMessageGenerator.java
@@ -42,6 +42,8 @@ import org.onap.policy.pap.main.notification.PolicyNotifier;
 import org.onap.policy.pap.main.parameters.PapParameterGroup;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.event.EventListener;
 
 
 /**
@@ -52,25 +54,26 @@ public class PdpMessageGenerator {
 
     private static final String PAP_GROUP_PARAMS_NAME = "PapGroup";
 
+    private boolean includeHeartBeat;
     /**
      * Lock used when updating PDPs.
      */
-    protected final Object updateLock;
+    protected Object updateLock;
 
     /**
      * Used to send UPDATE and STATE-CHANGE requests to the PDPs.
      */
-    protected final PdpModifyRequestMap requestMap;
+    protected PdpModifyRequestMap requestMap;
 
     /**
      * Factory for PAP DAO.
      */
-    protected final PolicyModelsProviderFactoryWrapper modelProviderWrapper;
+    protected PolicyModelsProviderFactoryWrapper modelProviderWrapper;
 
     /**
      * Heart beat interval, in milliseconds, to pass to PDPs, or {@code null}.
      */
-    private final Long heartBeatMs;
+    private Long heartBeatMs;
 
     /**
      * Constructs the object.
@@ -79,6 +82,14 @@ public class PdpMessageGenerator {
      *        PDP-UPDATE messages
      */
     public PdpMessageGenerator(boolean includeHeartBeat) {
+        this.includeHeartBeat = includeHeartBeat;
+    }
+
+    /**
+     * Initialize the parameters.
+     */
+    @EventListener(ApplicationReadyEvent.class)
+    public void initialize() {
         modelProviderWrapper = Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
         updateLock = Registry.get(PapConstants.REG_PDP_MODIFY_LOCK, Object.class);
         requestMap = Registry.get(PapConstants.REG_PDP_MODIFY_MAP, PdpModifyRequestMap.class);
diff --git a/main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java b/main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java
index 4ffbe622..fa90266d 100644
--- a/main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java
+++ b/main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java
@@ -86,6 +86,7 @@ public class PdpStatusMessageHandler extends PdpMessageGenerator {
      */
     public PdpStatusMessageHandler(PdpParameters params, boolean savePdpStatistics) {
         super(true);
+        super.initialize();
         this.params = params;
         this.savePdpStatistics = savePdpStatistics;
     }
diff --git a/main/src/main/java/org/onap/policy/pap/main/config/PapAafConfig.java b/main/src/main/java/org/onap/policy/pap/main/config/PapAafConfig.java
new file mode 100644
index 00000000..d73a37d8
--- /dev/null
+++ b/main/src/main/java/org/onap/policy/pap/main/config/PapAafConfig.java
@@ -0,0 +1,42 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Bell Canada. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.config;
+
+import javax.servlet.Filter;
+import org.onap.policy.pap.main.rest.PapAafFilter;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+
+@Configuration
+@Profile(value = {"aaf-auth"})
+public class PapAafConfig {
+
+    /**
+     * Method to return Pap Aaf filter.
+     *
+     * @return Filter papAafFilter
+     */
+    @Bean
+    public Filter papAafFilter() {
+        return new PapAafFilter();
+    }
+}
diff --git a/main/src/main/java/org/onap/policy/pap/main/config/WebSecurityConfig.java b/main/src/main/java/org/onap/policy/pap/main/config/WebSecurityConfig.java
new file mode 100644
index 00000000..4c344405
--- /dev/null
+++ b/main/src/main/java/org/onap/policy/pap/main/config/WebSecurityConfig.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Bell Canada. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+
+@Configuration
+@EnableWebSecurity
+public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
+
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http.authorizeRequests().antMatchers().authenticated().anyRequest().authenticated().and().httpBasic();
+        // disable csrf as the endpoints are meant for non browser clients
+        http.csrf().disable();
+    }
+
+}
diff --git a/main/src/main/java/org/onap/policy/pap/main/parameters/PapParameterGroup.java b/main/src/main/java/org/onap/policy/pap/main/parameters/PapParameterGroup.java
index f89e156c..4f08069f 100644
--- a/main/src/main/java/org/onap/policy/pap/main/parameters/PapParameterGroup.java
+++ b/main/src/main/java/org/onap/policy/pap/main/parameters/PapParameterGroup.java
@@ -24,14 +24,17 @@ package org.onap.policy.pap.main.parameters;
 
 import java.util.List;
 import lombok.Getter;
+import lombok.Setter;
 import org.onap.policy.common.endpoints.parameters.RestClientParameters;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
 import org.onap.policy.common.endpoints.parameters.TopicParameterGroup;
 import org.onap.policy.common.parameters.ParameterGroupImpl;
 import org.onap.policy.common.parameters.annotations.NotBlank;
 import org.onap.policy.common.parameters.annotations.NotNull;
 import org.onap.policy.common.parameters.annotations.Valid;
+import org.onap.policy.common.parameters.validation.ParameterGroupConstraint;
 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
 
 /**
  * Class to hold all parameters needed for pap component.
@@ -41,19 +44,28 @@ import org.onap.policy.models.provider.PolicyModelsProviderParameters;
 @NotNull
 @NotBlank
 @Getter
+@Setter
+@Configuration
+@ConfigurationProperties(prefix = "pap")
 public class PapParameterGroup extends ParameterGroupImpl {
     @Valid
-    private RestServerParameters restServerParameters;
-    @Valid
+    @ParameterGroupConstraint
     private PdpParameters pdpParameters;
     @Valid
+    @ParameterGroupConstraint
     private PolicyModelsProviderParameters databaseProviderParameters;
     private boolean savePdpStatisticsInDb;
     @Valid
+    @ParameterGroupConstraint
     private TopicParameterGroup topicParameterGroup;
     // API, Distribution Health Check REST client parameters.
+    @ParameterGroupConstraint
     private List<@NotNull @Valid RestClientParameters> healthCheckRestClientParameters;
 
+    public PapParameterGroup() {
+        super();
+    }
+
     /**
      * Create the pap parameter group.
      *
diff --git a/main/src/main/java/org/onap/policy/pap/main/parameters/PapParameterHandler.java b/main/src/main/java/org/onap/policy/pap/main/parameters/PapParameterHandler.java
deleted file mode 100644
index 2f53b9bc..00000000
--- a/main/src/main/java/org/onap/policy/pap/main/parameters/PapParameterHandler.java
+++ /dev/null
@@ -1,86 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2019-2020 Nordix Foundation.
- *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.pap.main.parameters;
-
-import java.io.File;
-import org.onap.policy.common.parameters.ValidationResult;
-import org.onap.policy.common.utils.coder.Coder;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.common.utils.coder.StandardCoder;
-import org.onap.policy.pap.main.PolicyPapException;
-import org.onap.policy.pap.main.startstop.PapCommandLineArguments;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * This class handles reading, parsing and validating of policy pap parameters from JSON files.
- *
- * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
- */
-public class PapParameterHandler {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(PapParameterHandler.class);
-
-    private static final Coder CODER = new StandardCoder();
-
-    /**
-     * Read the parameters from the parameter file.
-     *
-     * @param arguments the arguments passed to policy pap
-     * @return the parameters read from the configuration file
-     * @throws PolicyPapException on parameter exceptions
-     */
-    public PapParameterGroup getParameters(final PapCommandLineArguments arguments) throws PolicyPapException {
-        PapParameterGroup papParameterGroup = null;
-
-        // Read the parameters
-        try {
-            // Read the parameters from JSON
-            var file = new File(arguments.getFullConfigurationFilePath());
-            papParameterGroup = CODER.decode(file, PapParameterGroup.class);
-        } catch (final CoderException e) {
-            final String errorMessage = "error reading parameters from \"" + arguments.getConfigurationFilePath()
-                    + "\"\n" + "(" + e.getClass().getSimpleName() + ")";
-            throw new PolicyPapException(errorMessage, e);
-        }
-
-        // The JSON processing returns null if there is an empty file
-        if (papParameterGroup == null) {
-            final String errorMessage = "no parameters found in \"" + arguments.getConfigurationFilePath() + "\"";
-            LOGGER.error(errorMessage);
-            throw new PolicyPapException(errorMessage);
-        }
-
-        // validate the parameters
-        final ValidationResult validationResult = papParameterGroup.validate();
-        if (!validationResult.isValid()) {
-            String returnMessage =
-                    "validation error(s) on parameters from \"" + arguments.getConfigurationFilePath() + "\"\n";
-            returnMessage += validationResult.getResult();
-
-            LOGGER.error(returnMessage);
-            throw new PolicyPapException(returnMessage);
-        }
-
-        return papParameterGroup;
-    }
-}
diff --git a/main/src/main/java/org/onap/policy/pap/main/parameters/PdpParameters.java b/main/src/main/java/org/onap/policy/pap/main/parameters/PdpParameters.java
index 2f89eedd..b62acb68 100644
--- a/main/src/main/java/org/onap/policy/pap/main/parameters/PdpParameters.java
+++ b/main/src/main/java/org/onap/policy/pap/main/parameters/PdpParameters.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +23,7 @@ package org.onap.policy.pap.main.parameters;
 
 import java.util.concurrent.TimeUnit;
 import lombok.Getter;
+import lombok.Setter;
 import org.onap.policy.common.parameters.ParameterGroupImpl;
 import org.onap.policy.common.parameters.annotations.Min;
 import org.onap.policy.common.parameters.annotations.NotBlank;
@@ -34,6 +36,7 @@ import org.onap.policy.common.parameters.annotations.Valid;
 @NotNull
 @NotBlank
 @Getter
+@Setter
 public class PdpParameters extends ParameterGroupImpl {
 
     /**
diff --git a/main/src/main/java/org/onap/policy/pap/main/parameters/PdpRequestParameters.java b/main/src/main/java/org/onap/policy/pap/main/parameters/PdpRequestParameters.java
index 2df20fb3..44563a89 100644
--- a/main/src/main/java/org/onap/policy/pap/main/parameters/PdpRequestParameters.java
+++ b/main/src/main/java/org/onap/policy/pap/main/parameters/PdpRequestParameters.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +22,7 @@
 package org.onap.policy.pap.main.parameters;
 
 import lombok.Getter;
+import lombok.Setter;
 import org.onap.policy.common.parameters.ParameterGroupImpl;
 import org.onap.policy.common.parameters.annotations.Min;
 import org.onap.policy.common.parameters.annotations.NotBlank;
@@ -32,6 +34,7 @@ import org.onap.policy.common.parameters.annotations.NotNull;
 @NotNull
 @NotBlank
 @Getter
+@Setter
 public class PdpRequestParameters extends ParameterGroupImpl {
 
     // NOTE: these fields must not be "private" or the validator will skip them
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/HealthCheckProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/HealthCheckProvider.java
index 4b9c6f70..dbbb49e8 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/HealthCheckProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/HealthCheckProvider.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,12 +27,14 @@ import org.onap.policy.common.utils.network.NetworkUtil;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.startstop.PapActivator;
+import org.springframework.stereotype.Service;
 
 /**
  * Class to fetch health check of PAP service.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@Service
 public class HealthCheckProvider {
 
     private static final String NOT_ALIVE = "not alive";
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/HealthCheckRestControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/HealthCheckRestControllerV1.java
index 8cb3acfa..19e47646 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/HealthCheckRestControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/HealthCheckRestControllerV1.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019,2021 Nordix Foundation.
  *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,27 +26,34 @@ import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiResponse;
 import io.swagger.annotations.ApiResponses;
 import io.swagger.annotations.Authorization;
-import javax.ws.rs.GET;
-import javax.ws.rs.Path;
-import javax.ws.rs.core.Response;
+import lombok.RequiredArgsConstructor;
 import org.onap.policy.common.endpoints.report.HealthCheckReport;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST endpoints for PAP component health check.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
-public class HealthCheckRestControllerV1 extends PapRestControllerV1 {
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
+public class HealthCheckRestControllerV1  extends PapRestControllerV1 {
 
-    @GET
-    @Path("healthcheck")
+    private final HealthCheckProvider provider;
+
+    @GetMapping("healthcheck")
     @ApiOperation(value = "Perform healthcheck",
                     notes = "Returns healthy status of the Policy Administration component",
                     response = HealthCheckReport.class, authorizations = @Authorization(value = AUTHORIZATION_TYPE))
     @ApiResponses(value = {@ApiResponse(code = AUTHENTICATION_ERROR_CODE, message = AUTHENTICATION_ERROR_MESSAGE),
         @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)})
-    public Response healthcheck() {
-        return Response.status(Response.Status.OK).entity(new HealthCheckProvider().performHealthCheck()).build();
+    public ResponseEntity<HealthCheckReport> healthcheck() {
+        return ResponseEntity.ok().body(provider.performHealthCheck());
     }
+
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PapRestControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PapRestControllerV1.java
index 2dab2996..5770f441 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PapRestControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PapRestControllerV1.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019-2021 Nordix Foundation.
  *  Modifications Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,7 +22,6 @@
 
 package org.onap.policy.pap.main.rest;
 
-import io.swagger.annotations.Api;
 import io.swagger.annotations.BasicAuthDefinition;
 import io.swagger.annotations.Info;
 import io.swagger.annotations.SecurityDefinition;
@@ -29,13 +29,11 @@ import io.swagger.annotations.SwaggerDefinition;
 import io.swagger.annotations.Tag;
 import java.net.HttpURLConnection;
 import java.util.UUID;
-import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response.ResponseBuilder;
-import javax.ws.rs.core.SecurityContext;
 import org.onap.policy.models.base.PfModelException;
+import org.springframework.http.ResponseEntity.BodyBuilder;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
 
 /**
  * Version v1 common superclass to provide REST endpoints for PAP component.
@@ -43,9 +41,6 @@ import org.onap.policy.models.base.PfModelException;
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
 // @formatter:off
-@Path("/policy/pap/v1")
-@Api(value = "Policy Administration (PAP) API")
-@Produces({MediaType.APPLICATION_JSON, PapRestControllerV1.APPLICATION_YAML})
 @SwaggerDefinition(
     info = @Info(description =
                     "Policy Administration is responsible for the deployment life cycle of policies as well as "
@@ -97,16 +92,13 @@ public class PapRestControllerV1 {
     public static final String AUTHORIZATION_ERROR_MESSAGE = "Authorization Error";
     public static final String SERVER_ERROR_MESSAGE = "Internal Server Error";
 
-    @Context
-    SecurityContext securityContext;
-
     /**
      * Adds version headers to the response.
      *
      * @param respBuilder response builder
      * @return the response builder, with version headers
      */
-    public ResponseBuilder addVersionControlHeaders(ResponseBuilder respBuilder) {
+    public static BodyBuilder addVersionControlHeaders(BodyBuilder respBuilder) {
         return respBuilder.header(VERSION_MINOR_NAME, "0").header(VERSION_PATCH_NAME, "0").header(VERSION_LATEST_NAME,
                 API_VERSION);
     }
@@ -117,13 +109,13 @@ public class PapRestControllerV1 {
      * @param respBuilder response builder
      * @return the response builder, with version logging
      */
-    public ResponseBuilder addLoggingHeaders(ResponseBuilder respBuilder, UUID requestId) {
+    public static BodyBuilder addLoggingHeaders(BodyBuilder respBuilder, UUID requestId) {
         if (requestId == null) {
             // Generate a random uuid if client does not embed requestId in rest request
-            return respBuilder.header(REQUEST_ID_NAME, UUID.randomUUID());
+            return respBuilder.header(REQUEST_ID_NAME, UUID.randomUUID().toString());
         }
 
-        return respBuilder.header(REQUEST_ID_NAME, requestId);
+        return respBuilder.header(REQUEST_ID_NAME, requestId.toString());
     }
 
     /**
@@ -131,8 +123,9 @@ public class PapRestControllerV1 {
      * @return username as {@link String}
      */
     public String getPrincipal() {
-        if (securityContext != null) {
-            return securityContext.getUserPrincipal().getName();
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        if (authentication != null) {
+            return authentication.getName();
         }
         return "";
     }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateControllerV1.java
index 505f7fee..b588d08a 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateControllerV1.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019,2021 Nordix Foundation.
  * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,25 +31,30 @@ import io.swagger.annotations.Extension;
 import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.util.UUID;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.POST;
-import javax.ws.rs.Path;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
+import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PdpGroupUpdateResponse;
 import org.onap.policy.models.pdp.concepts.PdpGroups;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end points for PAP component to create or update PDP groups.
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class PdpGroupCreateOrUpdateControllerV1 extends PapRestControllerV1 {
     private static final Logger logger = LoggerFactory.getLogger(PdpGroupCreateOrUpdateControllerV1.class);
 
-    private final PdpGroupCreateOrUpdateProvider provider = new PdpGroupCreateOrUpdateProvider();
+    private final PdpGroupCreateOrUpdateProvider provider;
 
     /**
      * Creates or updates one or more PDP groups.
@@ -58,8 +64,7 @@ public class PdpGroupCreateOrUpdateControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @POST
-    @Path("pdps/groups/batch")
+    @PostMapping("pdps/groups/batch")
     @ApiOperation(value = "Create or update PDP Groups",
         notes = "Create or update one or more PDP Groups, returning optional error details",
         response = PdpGroupUpdateResponse.class,
@@ -88,9 +93,11 @@ public class PdpGroupCreateOrUpdateControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response createOrUpdateGroups(
-        @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
-        @ApiParam(value = "List of PDP Group Configuration", required = true) PdpGroups groups) {
+    public ResponseEntity<PdpGroupUpdateResponse> createOrUpdateGroups(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "List of PDP Group Configuration", required = true) @RequestBody PdpGroups groups) {
 
         return doOperation(requestId, "create groups failed", () -> provider.createOrUpdateGroups(groups));
     }
@@ -103,18 +110,19 @@ public class PdpGroupCreateOrUpdateControllerV1 extends PapRestControllerV1 {
      * @param runnable operation to invoke
      * @return a {@link PdpGroupUpdateResponse} response entity
      */
-    private Response doOperation(UUID requestId, String errmsg, RunnableWithPfEx runnable) {
+    private ResponseEntity<PdpGroupUpdateResponse> doOperation(UUID requestId, String errmsg,
+        RunnableWithPfEx runnable) {
         try {
             runnable.run();
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.OK)), requestId)
-                .entity(new PdpGroupUpdateResponse()).build();
-
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+                .body(new PdpGroupUpdateResponse());
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(errmsg, e);
             var resp = new PdpGroupUpdateResponse();
             resp.setErrorDetails(e.getErrorResponse().getErrorMessage());
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                requestId).entity(resp).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(resp);
         }
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateProvider.java
index 696cc8c0..ce7fdaa7 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateProvider.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019-2021 Nordix Foundation.
  * Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,6 +50,7 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
 import org.onap.policy.pap.main.PapConstants;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP component to create or update PDP groups. The following items must be in the
@@ -59,17 +61,11 @@ import org.slf4j.LoggerFactory;
  * <li>PAP DAO Factory</li>
  * </ul>
  */
+@Service
 public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     private static final Logger logger = LoggerFactory.getLogger(PdpGroupCreateOrUpdateProvider.class);
 
     /**
-     * Constructs the object.
-     */
-    public PdpGroupCreateOrUpdateProvider() {
-        super();
-    }
-
-    /**
      * Creates or updates PDP groups.
      *
      * @param groups PDP group configurations to be created or updated
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteControllerV1.java
index 12916769..7853fda6 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteControllerV1.java
@@ -31,12 +31,7 @@ import io.swagger.annotations.Extension;
 import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.util.UUID;
-import javax.ws.rs.DELETE;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
+import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PdpGroupDeleteResponse;
@@ -44,14 +39,23 @@ import org.onap.policy.models.pap.concepts.PdpGroupDeployResponse;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifierOptVersion;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end points for PAP component to delete a PDP group.
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
     private static final Logger logger = LoggerFactory.getLogger(PdpGroupDeleteControllerV1.class);
 
-    private final PdpGroupDeleteProvider provider = new PdpGroupDeleteProvider();
+    private final PdpGroupDeleteProvider provider;
 
     /**
      * Deletes a PDP group.
@@ -61,8 +65,7 @@ public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @DELETE
-    @Path("pdps/groups/{name}")
+    @DeleteMapping("pdps/groups/{name}")
     @ApiOperation(value = "Delete PDP Group",
         notes = "Deletes a PDP Group, returning optional error details",
         response = PdpGroupDeleteResponse.class,
@@ -90,10 +93,11 @@ public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
-
-    public Response deleteGroup(@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
-                    @ApiParam(value = "PDP Group Name", required = true) @PathParam("name") String groupName) {
-
+    public ResponseEntity<PdpGroupDeleteResponse> deleteGroup(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "PDP Group Name") @PathVariable("name") String groupName) {
         return doOperation(requestId, "delete group failed", () -> provider.deleteGroup(groupName));
     }
 
@@ -105,8 +109,7 @@ public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @DELETE
-    @Path("pdps/policies/{name}")
+    @DeleteMapping("pdps/policies/{name}")
     @ApiOperation(value = "Undeploy a PDP Policy from PDPs",
         notes = "Undeploys the latest version of a policy from the PDPs, returning optional error details",
         response = PdpGroupDeployResponse.class,
@@ -134,9 +137,11 @@ public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
-
-    public Response deletePolicy(@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
-                    @ApiParam(value = "PDP Policy Name", required = true) @PathParam("name") String policyName) {
+    public ResponseEntity<PdpGroupDeployResponse> deletePolicy(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "PDP Policy Name") @PathVariable("name") String policyName) {
 
         return doUndeployOperation(requestId, "undeploy policy failed",
             () -> provider.undeploy(new ToscaConceptIdentifierOptVersion(policyName, null), getPrincipal()));
@@ -151,8 +156,7 @@ public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @DELETE
-    @Path("pdps/policies/{name}/versions/{version}")
+    @DeleteMapping("pdps/policies/{name}/versions/{version}")
     @ApiOperation(value = "Undeploy version of a PDP Policy from PDPs",
         notes = "Undeploys a specific version of a policy from the PDPs, returning optional error details",
         response = PdpGroupDeployResponse.class,
@@ -180,11 +184,12 @@ public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
-
-    public Response deletePolicyVersion(
-                    @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
-                    @ApiParam(value = "PDP Policy Name", required = true) @PathParam("name") String policyName,
-                    @ApiParam(value = "PDP Policy Version", required = true) @PathParam("version") String version) {
+    public ResponseEntity<PdpGroupDeployResponse> deletePolicyVersion(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "PDP Policy Name") @PathVariable("name") String policyName,
+        @ApiParam(value = "PDP Policy Version") @PathVariable("version") String version) {
 
         return doUndeployOperation(requestId, "undeploy policy failed",
             () -> provider.undeploy(new ToscaConceptIdentifierOptVersion(policyName, version), getPrincipal()));
@@ -198,18 +203,20 @@ public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
      * @param runnable operation to invoke
      * @return a {@link PdpGroupDeleteResponse} response entity
      */
-    private Response doOperation(UUID requestId, String errmsg, RunnableWithPfEx runnable) {
+    private ResponseEntity<PdpGroupDeleteResponse> doOperation(UUID requestId, String errmsg,
+        RunnableWithPfEx runnable) {
         try {
             runnable.run();
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.OK)), requestId)
-                            .entity(new PdpGroupDeleteResponse()).build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+                .body(new PdpGroupDeleteResponse());
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(errmsg, e);
             var resp = new PdpGroupDeleteResponse();
             resp.setErrorDetails(e.getErrorResponse().getErrorMessage());
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                            requestId).entity(resp).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(resp);
         }
     }
 
@@ -221,20 +228,21 @@ public class PdpGroupDeleteControllerV1 extends PapRestControllerV1 {
      * @param runnable operation to invoke
      * @return a {@link PdpGroupDeployResponse} response entity
      */
-    private Response doUndeployOperation(UUID requestId, String errmsg, RunnableWithPfEx runnable) {
+    private ResponseEntity<PdpGroupDeployResponse> doUndeployOperation(UUID requestId, String errmsg,
+        RunnableWithPfEx runnable) {
         try {
             runnable.run();
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.ACCEPTED)), requestId)
-                .entity(new PdpGroupDeployResponse(PdpGroupDeployControllerV1.DEPLOYMENT_RESPONSE_MSG,
-                    PdpGroupDeployControllerV1.POLICY_STATUS_URI))
-                .build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.accepted()), requestId)
+                .body(new PdpGroupDeployResponse(PdpGroupDeployControllerV1.DEPLOYMENT_RESPONSE_MSG,
+                    PdpGroupDeployControllerV1.POLICY_STATUS_URI));
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(errmsg, e);
             var resp = new PdpGroupDeployResponse();
             resp.setErrorDetails(e.getErrorResponse().getErrorMessage());
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                            requestId).entity(resp).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(resp);
         }
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteProvider.java
index 6f39a715..1a04e061 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteProvider.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2020-2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,21 +36,15 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifierO
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP component to delete PDP groups.
  */
+@Service
 public class PdpGroupDeleteProvider extends ProviderBase {
     private static final Logger logger = LoggerFactory.getLogger(PdpGroupDeleteProvider.class);
 
-
-    /**
-     * Constructs the object.
-     */
-    public PdpGroupDeleteProvider() {
-        super();
-    }
-
     /**
      * Deletes a PDP group.
      *
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployControllerV1.java
index 86d730f2..d1e732d5 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployControllerV1.java
@@ -4,7 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,11 +31,7 @@ import io.swagger.annotations.Extension;
 import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.util.UUID;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.POST;
-import javax.ws.rs.Path;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
+import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PdpDeployPolicies;
@@ -43,10 +39,19 @@ import org.onap.policy.models.pap.concepts.PdpGroupDeployResponse;
 import org.onap.policy.models.pdp.concepts.DeploymentGroups;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end points for PAP component to deploy a PDP group.
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class PdpGroupDeployControllerV1 extends PapRestControllerV1 {
     public static final String POLICY_STATUS_URI = "/policy/pap/v1/policies/status";
 
@@ -56,7 +61,7 @@ public class PdpGroupDeployControllerV1 extends PapRestControllerV1 {
 
     private static final Logger logger = LoggerFactory.getLogger(PdpGroupDeployControllerV1.class);
 
-    private final PdpGroupDeployProvider provider = new PdpGroupDeployProvider();
+    private final PdpGroupDeployProvider provider;
 
     /**
      * Updates policy deployments within specific PDP groups.
@@ -66,8 +71,7 @@ public class PdpGroupDeployControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @POST
-    @Path("pdps/deployments/batch")
+    @PostMapping("pdps/deployments/batch")
     @ApiOperation(value = "Updates policy deployments within specific PDP groups",
         notes = "Updates policy deployments within specific PDP groups, returning optional error details",
         response = PdpGroupDeployResponse.class,
@@ -95,10 +99,11 @@ public class PdpGroupDeployControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
-
-    public Response updateGroupPolicies(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
-            @ApiParam(value = "List of PDP Group Deployments", required = true) DeploymentGroups groups) {
+    public ResponseEntity<PdpGroupDeployResponse> updateGroupPolicies(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "List of PDP Group Deployments", required = true) @RequestBody DeploymentGroups groups) {
         return doOperation(requestId, "update policy deployments failed",
             () -> provider.updateGroupPolicies(groups, getPrincipal()));
     }
@@ -111,8 +116,7 @@ public class PdpGroupDeployControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @POST
-    @Path("pdps/policies")
+    @PostMapping("pdps/policies")
     @ApiOperation(value = "Deploy or update PDP Policies",
         notes = "Deploys or updates PDP Policies, returning optional error details",
         response = PdpGroupDeployResponse.class,
@@ -140,9 +144,11 @@ public class PdpGroupDeployControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
-
-    public Response deployPolicies(@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
-            @ApiParam(value = "PDP Policies; only the name is required", required = true) PdpDeployPolicies policies) {
+    public ResponseEntity<PdpGroupDeployResponse> deployPolicies(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "PDP Policies; only the name is required") @RequestBody PdpDeployPolicies policies) {
         return doOperation(requestId, "deploy policies failed",
             () -> provider.deployPolicies(policies, getPrincipal()));
     }
@@ -155,18 +161,21 @@ public class PdpGroupDeployControllerV1 extends PapRestControllerV1 {
      * @param runnable operation to invoke
      * @return a {@link PdpGroupDeployResponse} response entity
      */
-    private Response doOperation(UUID requestId, String errmsg, RunnableWithPfEx runnable) {
+    private ResponseEntity<PdpGroupDeployResponse> doOperation(UUID requestId, String errmsg,
+        RunnableWithPfEx runnable) {
         try {
             runnable.run();
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.ACCEPTED)), requestId)
-                    .entity(new PdpGroupDeployResponse(DEPLOYMENT_RESPONSE_MSG, POLICY_STATUS_URI)).build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.accepted()), requestId)
+                .body(new PdpGroupDeployResponse(DEPLOYMENT_RESPONSE_MSG, POLICY_STATUS_URI));
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(errmsg, e);
             var resp = new PdpGroupDeployResponse();
             resp.setErrorDetails(e.getErrorResponse().getErrorMessage());
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                    requestId).entity(resp).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(resp);
         }
     }
+
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployProvider.java
index 151e5145..5277ca69 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployProvider.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2020-2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -57,6 +58,7 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifierO
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP component to deploy PDP groups. The following items must be in the
@@ -67,20 +69,13 @@ import org.slf4j.LoggerFactory;
  * <li>PAP DAO Factory</li>
  * </ul>
  */
+@Service
 public class PdpGroupDeployProvider extends ProviderBase {
     private static final Logger logger = LoggerFactory.getLogger(PdpGroupDeployProvider.class);
     private static final StandardCoder coder = new StandardCoder();
 
     private static final String POLICY_RESULT_NAME = "policy";
 
-
-    /**
-     * Constructs the object.
-     */
-    public PdpGroupDeployProvider() {
-        super();
-    }
-
     /**
      * Updates policies in specific PDP groups.
      *
@@ -413,7 +408,6 @@ public class PdpGroupDeployProvider extends ProviderBase {
     private void deploySimplePolicies(SessionData data, PdpDeployPolicies policies) throws PfModelException {
 
         for (ToscaConceptIdentifierOptVersion desiredPolicy : policies.getPolicies()) {
-
             try {
                 processPolicy(data, desiredPolicy);
 
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupHealthCheckControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupHealthCheckControllerV1.java
index 300d3c72..ccc2ba1f 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupHealthCheckControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupHealthCheckControllerV1.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019,2021 Nordix Foundation.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,28 +31,29 @@ import io.swagger.annotations.Extension;
 import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.util.UUID;
-import javax.ws.rs.GET;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.Path;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
+import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pdp.concepts.Pdps;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end point for PAP component to fetch health status of all PDPs registered with PAP.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
-public class PdpGroupHealthCheckControllerV1 extends PapRestControllerV1 {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupHealthCheckControllerV1.class);
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
+public class PdpGroupHealthCheckControllerV1 extends PapRestControllerV1 {
 
-    private final PdpGroupHealthCheckProvider provider = new PdpGroupHealthCheckProvider();
+    private final PdpGroupHealthCheckProvider provider;
 
     /**
      * Returns health status of all PDPs registered with PAP.
@@ -60,8 +62,7 @@ public class PdpGroupHealthCheckControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("pdps/healthcheck")
+    @GetMapping("pdps/healthcheck")
     @ApiOperation(value = "Returns health status of all PDPs registered with PAP",
         notes = "Queries health status of all PDPs, returning all pdps health status",
         response = Pdps.class,
@@ -89,19 +90,11 @@ public class PdpGroupHealthCheckControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
-
-    public Response pdpGroupHealthCheck(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
-
-        try {
-            final Pair<Status, Pdps> pair = provider.fetchPdpGroupHealthStatus();
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
-                    .entity(pair.getRight()).build();
-        } catch (final PfModelException | PfModelRuntimeException exp) {
-            LOGGER.info("pdpGroup health check failed", exp);
-            return addLoggingHeaders(
-                    addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
-                            .entity(exp.getErrorResponse()).build();
-        }
+    public ResponseEntity<Pdps> pdpGroupHealthCheck(@ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+        required = false,
+        value = REQUEST_ID_NAME) final UUID requestId) throws PfModelException {
+        Pair<HttpStatus, Pdps> pair = provider.fetchPdpGroupHealthStatus();
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(pair.getLeft())), requestId)
+            .body(pair.getRight());
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupHealthCheckProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupHealthCheckProvider.java
index ce820f08..74a89046 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupHealthCheckProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupHealthCheckProvider.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,7 +24,6 @@ package org.onap.policy.pap.main.rest;
 
 import java.util.ArrayList;
 import java.util.List;
-import javax.ws.rs.core.Response;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.models.base.PfModelException;
@@ -36,12 +36,15 @@ import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP component to to fetch health status of all PDPs registered with PAP.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@Service
 public class PdpGroupHealthCheckProvider {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupHealthCheckProvider.class);
@@ -52,7 +55,7 @@ public class PdpGroupHealthCheckProvider {
      * @return a pair containing the status and the response
      * @throws PfModelException in case of errors
      */
-    public Pair<Response.Status, Pdps> fetchPdpGroupHealthStatus() throws PfModelException {
+    public Pair<HttpStatus, Pdps> fetchPdpGroupHealthStatus() throws PfModelException {
 
         final var pdps = new Pdps();
         final PolicyModelsProviderFactoryWrapper modelProviderWrapper =
@@ -68,6 +71,6 @@ public class PdpGroupHealthCheckProvider {
             pdps.setPdpList(pdpList);
         }
         LOGGER.debug("PdpGroup HealthCheck Response - {}", pdps);
-        return Pair.of(Response.Status.OK, pdps);
+        return Pair.of(HttpStatus.OK, pdps);
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryControllerV1.java
index 576eb8d8..03a853ba 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryControllerV1.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019,2021 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,38 +31,38 @@ import io.swagger.annotations.Extension;
 import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.util.UUID;
-import javax.ws.rs.GET;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.Path;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
+import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pdp.concepts.PdpGroups;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end points for PAP component to query details of all PDP groups.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class PdpGroupQueryControllerV1 extends PapRestControllerV1 {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupQueryControllerV1.class);
-
-    private final PdpGroupQueryProvider provider = new PdpGroupQueryProvider();
+    private final PdpGroupQueryProvider provider;
 
     /**
      * Queries details of all PDP groups.
      *
      * @param requestId request ID used in ONAP logging
      * @return a response
+     * @throws PfModelException the exception
      */
     // @formatter:off
-    @GET
-    @Path("pdps")
+    @GetMapping("pdps")
     @ApiOperation(value = "Query details of all PDP groups",
         notes = "Queries details of all PDP groups, returning all group details",
         response = PdpGroups.class,
@@ -89,19 +90,12 @@ public class PdpGroupQueryControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
+    public ResponseEntity<PdpGroups> queryGroupDetails(@ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+        required = false,
+        value = REQUEST_ID_NAME) final UUID requestId) throws PfModelException {
 
-    public Response queryGroupDetails(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
-
-        try {
-            final Pair<Status, PdpGroups> pair = provider.fetchPdpGroupDetails();
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
-                    .entity(pair.getRight()).build();
-        } catch (final PfModelException | PfModelRuntimeException exp) {
-            LOGGER.info("group query failed", exp);
-            return addLoggingHeaders(
-                    addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
-                            .entity(exp.getErrorResponse()).build();
-        }
+        final Pair<HttpStatus, PdpGroups> pair = provider.fetchPdpGroupDetails();
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(pair.getLeft())), requestId)
+            .body(pair.getRight());
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryProvider.java
index 3edc38af..f1a22f50 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupQueryProvider.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,7 +22,6 @@
 
 package org.onap.policy.pap.main.rest;
 
-import javax.ws.rs.core.Response;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.models.base.PfModelException;
@@ -31,12 +31,15 @@ import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP component to query details of all PDP groups.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@Service
 public class PdpGroupQueryProvider {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupQueryProvider.class);
@@ -47,7 +50,7 @@ public class PdpGroupQueryProvider {
      * @return a pair containing the status and the response
      * @throws PfModelException in case of errors
      */
-    public Pair<Response.Status, PdpGroups> fetchPdpGroupDetails() throws PfModelException {
+    public Pair<HttpStatus, PdpGroups> fetchPdpGroupDetails() throws PfModelException {
 
         final var pdpGroups = new PdpGroups();
         final PolicyModelsProviderFactoryWrapper modelProviderWrapper =
@@ -56,6 +59,6 @@ public class PdpGroupQueryProvider {
             pdpGroups.setGroups(databaseProvider.getPdpGroups(null));
         }
         LOGGER.debug("PdpGroup Query Response - {}", pdpGroups);
-        return Pair.of(Response.Status.OK, pdpGroups);
+        return Pair.of(HttpStatus.OK, pdpGroups);
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeControllerV1.java
index 31574ab1..38df5a5d 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeControllerV1.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019-2021 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,31 +31,31 @@ import io.swagger.annotations.Extension;
 import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.util.UUID;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.PUT;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.QueryParam;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
+import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
 import org.onap.policy.models.pdp.enums.PdpState;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end points for PAP component to change state of a PDP group.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class PdpGroupStateChangeControllerV1 extends PapRestControllerV1 {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupStateChangeControllerV1.class);
-
-    private final PdpGroupStateChangeProvider provider = new PdpGroupStateChangeProvider();
+    private final PdpGroupStateChangeProvider provider;
 
     /**
      * Changes state of a PDP group.
@@ -63,10 +64,10 @@ public class PdpGroupStateChangeControllerV1 extends PapRestControllerV1 {
      * @param groupName name of the PDP group to be deleted
      * @param state state of the PDP group
      * @return a response
+     * @throws PfModelException the exception
      */
     // @formatter:off
-    @PUT
-    @Path("pdps/groups/{name}")
+    @PutMapping("pdps/groups/{name}")
     @ApiOperation(value = "Change state of a PDP Group",
         notes = "Changes state of PDP Group, returning optional error details",
         response = PdpGroupStateChangeResponse.class,
@@ -93,21 +94,15 @@ public class PdpGroupStateChangeControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
+    public ResponseEntity<PdpGroupStateChangeResponse> changeGroupState(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "PDP Group Name") @PathVariable("name") String groupName,
+        @ApiParam(value = "PDP Group State") @RequestParam("state") final PdpState state) throws PfModelException {
 
-    public Response changeGroupState(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-            @ApiParam(value = "PDP Group Name", required = true) @PathParam("name") final String groupName,
-            @ApiParam(value = "PDP Group State", required = true) @QueryParam("state") final PdpState state) {
-
-        try {
-            final Pair<Status, PdpGroupStateChangeResponse> pair = provider.changeGroupState(groupName, state);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
-                    .entity(pair.getRight()).build();
-        } catch (final PfModelException | PfModelRuntimeException exp) {
-            LOGGER.info("group state-change failed", exp);
-            return addLoggingHeaders(
-                    addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
-                            .entity(exp.getErrorResponse()).build();
-        }
+        final Pair<HttpStatus, PdpGroupStateChangeResponse> pair = provider.changeGroupState(groupName, state);
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(pair.getLeft())), requestId)
+            .body(pair.getRight());
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
index c8f67d75..5aaaf4ab 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
@@ -36,12 +36,15 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
 import org.onap.policy.pap.main.comm.PdpMessageGenerator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP component to change state of PDP group.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@Service
 public class PdpGroupStateChangeProvider extends PdpMessageGenerator {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupStateChangeProvider.class);
@@ -61,7 +64,7 @@ public class PdpGroupStateChangeProvider extends PdpMessageGenerator {
      * @return a pair containing the status and the response
      * @throws PfModelException in case of errors
      */
-    public Pair<Response.Status, PdpGroupStateChangeResponse> changeGroupState(final String groupName,
+    public Pair<HttpStatus, PdpGroupStateChangeResponse> changeGroupState(final String groupName,
             final PdpState pdpGroupState) throws PfModelException {
         synchronized (updateLock) {
             switch (pdpGroupState) {
@@ -75,7 +78,7 @@ public class PdpGroupStateChangeProvider extends PdpMessageGenerator {
                     throw new PfModelException(Response.Status.BAD_REQUEST,
                             "Only ACTIVE or PASSIVE state changes are allowed");
             }
-            return Pair.of(Response.Status.OK, new PdpGroupStateChangeResponse());
+            return Pair.of(HttpStatus.OK, new PdpGroupStateChangeResponse());
         }
     }
 
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyAuditControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyAuditControllerV1.java
index a76afc2b..e195a79b 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyAuditControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyAuditControllerV1.java
@@ -29,30 +29,31 @@ import io.swagger.annotations.ResponseHeader;
 import java.time.Instant;
 import java.util.Collection;
 import java.util.UUID;
-import javax.ws.rs.GET;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.QueryParam;
-import javax.ws.rs.core.Response;
+import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PolicyAudit;
 import org.onap.policy.models.pap.persistence.provider.PolicyAuditProvider.AuditFilter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end points for PAP component to retrieve the audit information for
  * various operations on policies.
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class PolicyAuditControllerV1 extends PapRestControllerV1 {
 
-    private static final Logger logger = LoggerFactory.getLogger(PolicyAuditControllerV1.class);
-    private static final String GET_AUDIT_RECORD_FAILED = "get audit records failed";
     public static final String NO_AUDIT_RECORD_FOUND = "No records found matching the input parameters";
 
-    private final PolicyAuditProvider provider = new PolicyAuditProvider();
+    private final PolicyAuditProvider provider;
 
     /**
      * Queries audit information of all policies.
@@ -62,10 +63,10 @@ public class PolicyAuditControllerV1 extends PapRestControllerV1 {
      * @param startTime the starting time for the query in epoch timestamp
      * @param endTime the ending time for the query in epoch timestamp
      * @return a response
+     * @throws PfModelException the exception
      */
     // @formatter:off
-    @GET
-    @Path("policies/audit")
+    @GetMapping("policies/audit")
     @ApiOperation(value = "Queries audit information for all the policies",
         notes = "Queries audit information for all the policies, "
             + "returning audit information for all the policies in the database",
@@ -94,29 +95,25 @@ public class PolicyAuditControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
+    public ResponseEntity<Collection<PolicyAudit>> getAllAuditRecords(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "Record count between 1-100") @RequestParam(
+            defaultValue = "10",
+            required = false,
+            value = "recordCount") final int recordCount,
+        @ApiParam(value = "Start time in epoch timestamp") @RequestParam(
+            required = false,
+            value = "startTime") final Long startTime,
+        @ApiParam(value = "End time in epoch timestamp") @RequestParam(
+            required = false,
+            value = "endTime") final Long endTime)
+        throws PfModelException {
 
-    public Response getAllAuditRecords(
-                    @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-                    @ApiParam(value = "Record count between 1-100",
-                                    required = false) @QueryParam("recordCount") final int recordCount,
-                    @ApiParam(value = "Start time in epoch timestamp",
-                                    required = false) @QueryParam("startTime") final Long startTime,
-                    @ApiParam(value = "End time in epoch timestamp",
-                                    required = false) @QueryParam("endTime") final Long endTime) {
-
-        try {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                            .entity(provider.getAuditRecords(AuditFilter.builder().recordNum(recordCount)
-                                            .fromDate(convertEpochtoInstant(startTime))
-                                            .toDate(convertEpochtoInstant(endTime)).build()))
-                            .build();
-
-        } catch (PfModelException | PfModelRuntimeException exp) {
-            logger.warn(GET_AUDIT_RECORD_FAILED, exp);
-            return addLoggingHeaders(
-                            addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())),
-                            requestId).entity(exp.getErrorResponse().getErrorMessage()).build();
-        }
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+            .body(provider.getAuditRecords(AuditFilter.builder().recordNum(recordCount)
+                .fromDate(convertEpochtoInstant(startTime)).toDate(convertEpochtoInstant(endTime)).build()));
     }
 
     /**
@@ -128,10 +125,10 @@ public class PolicyAuditControllerV1 extends PapRestControllerV1 {
      * @param endTime the ending time for the query in epoch timestamp
      * @param pdpGroupName the pdp group name for the query
      * @return a response
+     * @throws PfModelException the exception
      */
     // @formatter:off
-    @GET
-    @Path("policies/audit/{pdpGroupName}")
+    @GetMapping("policies/audit/{pdpGroupName}")
     @ApiOperation(value = "Queries audit information for all the policies in a PdpGroup",
         notes = "Queries audit information for all the policies in a PdpGroup, "
             + "returning audit information for all the policies belonging to the PdpGroup",
@@ -160,30 +157,26 @@ public class PolicyAuditControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
+    public ResponseEntity<Object> getAuditRecordsByGroup(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "Record count between 1-100") @RequestParam(
+            defaultValue = "10",
+            required = false,
+            value = "recordCount") final int recordCount,
+        @ApiParam(value = "Start time in epoch timestamp") @RequestParam(
+            required = false,
+            value = "startTime") final Long startTime,
+        @ApiParam(value = "End time in epoch timestamp") @RequestParam(
+            required = false,
+            value = "endTime") final Long endTime,
+        @ApiParam(value = "PDP Group Name") @PathVariable("pdpGroupName") String pdpGroupName) throws PfModelException {
 
-    public Response getAuditRecordsByGroup(
-                    @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-                    @ApiParam(value = "Record count between 1-100",
-                                    required = false) @QueryParam("recordCount") final int recordCount,
-                    @ApiParam(value = "Start time in epoch timestamp",
-                                    required = false) @QueryParam("startTime") final Long startTime,
-                    @ApiParam(value = "End time in epoch timestamp",
-                                    required = false) @QueryParam("endTime") final Long endTime,
-                    @ApiParam(value = "PDP Group Name",
-                                    required = true) @PathParam("pdpGroupName") String pdpGroupName) {
-
-        try {
-            return makeOkOrNotFoundResponse(requestId,
-                            provider.getAuditRecords(AuditFilter.builder().recordNum(recordCount)
-                                            .fromDate((convertEpochtoInstant(startTime)))
-                                            .toDate(convertEpochtoInstant(endTime)).pdpGroup(pdpGroupName).build()));
-
-        } catch (PfModelException | PfModelRuntimeException exp) {
-            logger.warn(GET_AUDIT_RECORD_FAILED, exp);
-            return addLoggingHeaders(
-                            addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())),
-                            requestId).entity(exp.getErrorResponse().getErrorMessage()).build();
-        }
+        return makeOkOrNotFoundResponse(requestId,
+            provider.getAuditRecords(
+                AuditFilter.builder().recordNum(recordCount).fromDate((convertEpochtoInstant(startTime)))
+                    .toDate(convertEpochtoInstant(endTime)).pdpGroup(pdpGroupName).build()));
     }
 
     /**
@@ -197,10 +190,10 @@ public class PolicyAuditControllerV1 extends PapRestControllerV1 {
      * @param policyName name of the Policy
      * @param policyVersion version of the Policy
      * @return a response
+     * @throws PfModelException the exception
      */
     // @formatter:off
-    @GET
-    @Path("policies/audit/{pdpGroupName}/{policyName}/{policyVersion}")
+    @GetMapping("policies/audit/{pdpGroupName}/{policyName}/{policyVersion}")
     @ApiOperation(value = "Queries audit information for a specific version of a policy in a PdpGroup",
         notes = "Queries audit information for a specific version of a policy in a PdpGroup,"
             + " returning audit information for the policy belonging to the PdpGroup",
@@ -230,32 +223,29 @@ public class PolicyAuditControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response getAuditRecordsOfPolicy(
-                    @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-                    @ApiParam(value = "Record count between 1-100",
-                                    required = false) @QueryParam("recordCount") final int recordCount,
-                    @ApiParam(value = "Start time in epoch timestamp",
-                                    required = false) @QueryParam("startTime") final Long startTime,
-                    @ApiParam(value = "End time in epoch timestamp",
-                                    required = false) @QueryParam("endTime") final Long endTime,
-                    @ApiParam(value = "PDP Group Name", required = true) @PathParam("pdpGroupName") String pdpGroupName,
-                    @ApiParam(value = "Policy Name", required = true) @PathParam("policyName") String policyName,
-                    @ApiParam(value = "Policy Version",
-                                    required = true) @PathParam("policyVersion") String policyVersion) {
-
-        try {
-            return makeOkOrNotFoundResponse(requestId,
-                            provider.getAuditRecords(AuditFilter.builder().recordNum(recordCount)
-                                            .fromDate(convertEpochtoInstant(startTime))
-                                            .toDate(convertEpochtoInstant(endTime)).pdpGroup(pdpGroupName)
-                                            .name(policyName).version(policyVersion).build()));
+    public ResponseEntity<Object> getAuditRecordsOfPolicy(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "Record count between 1-100", required = false) @RequestParam(
+            defaultValue = "10",
+            required = false,
+            value = "recordCount") final int recordCount,
+        @ApiParam(value = "Start time in epoch timestamp", required = false) @RequestParam(
+            required = false,
+            value = "startTime") final Long startTime,
+        @ApiParam(value = "End time in epoch timestamp") @RequestParam(
+            required = false,
+            value = "endTime") final Long endTime,
+        @ApiParam(value = "PDP Group Name") @PathVariable("pdpGroupName") String pdpGroupName,
+        @ApiParam(value = "Policy Name") @PathVariable("policyName") String policyName,
+        @ApiParam(value = "Policy Version") @PathVariable(value = "policyVersion") String policyVersion)
+        throws PfModelException {
 
-        } catch (PfModelException | PfModelRuntimeException exp) {
-            logger.warn(GET_AUDIT_RECORD_FAILED, exp);
-            return addLoggingHeaders(
-                            addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())),
-                            requestId).entity(exp.getErrorResponse().getErrorMessage()).build();
-        }
+        return makeOkOrNotFoundResponse(requestId,
+            provider.getAuditRecords(AuditFilter.builder().recordNum(recordCount)
+                .fromDate(convertEpochtoInstant(startTime)).toDate(convertEpochtoInstant(endTime))
+                .pdpGroup(pdpGroupName).name(policyName).version(policyVersion).build()));
     }
 
     /**
@@ -268,10 +258,10 @@ public class PolicyAuditControllerV1 extends PapRestControllerV1 {
      * @param policyName name of the Policy
      * @param policyVersion version of the Policy
      * @return a response
+     * @throws PfModelException the exception
      */
     // @formatter:off
-    @GET
-    @Path("policies/audit/{policyName}/{policyVersion}")
+    @GetMapping("policies/audit/{policyName}/{policyVersion}")
     @ApiOperation(value = "Queries audit information for a specific version of a policy",
         notes = "Queries audit information for a specific version of a policy,"
             + " returning audit information for the policy",
@@ -301,38 +291,37 @@ public class PolicyAuditControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response getAuditRecordsOfPolicy(
-                    @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-                    @ApiParam(value = "Record count between 1-100",
-                                    required = false) @QueryParam("recordCount") final int recordCount,
-                    @ApiParam(value = "Start time in epoch timestamp",
-                                    required = false) @QueryParam("startTime") final Long startTime,
-                    @ApiParam(value = "End time in epoch timestamp",
-                                    required = false) @QueryParam("endTime") final Long endTime,
-                    @ApiParam(value = "Policy Name", required = true) @PathParam("policyName") String policyName,
-                    @ApiParam(value = "Policy Version",
-                                    required = true) @PathParam("policyVersion") String policyVersion) {
+    public ResponseEntity<Object> getAuditRecordsOfPolicy(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "Record count between 1-100") @RequestParam(
+            defaultValue = "10",
+            required = false,
+            value = "recordCount") final int recordCount,
+        @ApiParam(value = "Start time in epoch timestamp") @RequestParam(
+            required = false,
+            value = "startTime") final Long startTime,
+        @ApiParam(value = "End time in epoch timestamp") @RequestParam(
+            required = false,
+            value = "endTime") final Long endTime,
+        @ApiParam(value = "Policy Name") @PathVariable(required = true, value = "policyName") String policyName,
+        @ApiParam(
+            value = "Policy Version") @PathVariable(required = true, value = "policyVersion") String policyVersion)
+        throws PfModelException {
 
-        try {
-            return makeOkOrNotFoundResponse(requestId, provider.getAuditRecords(AuditFilter.builder()
-                            .recordNum(recordCount).fromDate(convertEpochtoInstant(startTime))
-                            .toDate(convertEpochtoInstant(endTime)).name(policyName).version(policyVersion).build()));
-
-        } catch (PfModelException | PfModelRuntimeException exp) {
-            logger.warn(GET_AUDIT_RECORD_FAILED, exp);
-            return addLoggingHeaders(
-                            addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())),
-                            requestId).entity(exp.getErrorResponse().getErrorMessage()).build();
-        }
+        return makeOkOrNotFoundResponse(requestId,
+            provider
+                .getAuditRecords(AuditFilter.builder().recordNum(recordCount).fromDate(convertEpochtoInstant(startTime))
+                    .toDate(convertEpochtoInstant(endTime)).name(policyName).version(policyVersion).build()));
     }
 
-    private Response makeOkOrNotFoundResponse(UUID requestId, Collection<PolicyAudit> result) {
+    private ResponseEntity<Object> makeOkOrNotFoundResponse(UUID requestId, Collection<PolicyAudit> result) {
         if (result.isEmpty()) {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.NOT_FOUND)), requestId)
-                            .entity(NO_AUDIT_RECORD_FOUND).build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(HttpStatus.NOT_FOUND)), requestId)
+                .body(NO_AUDIT_RECORD_FOUND);
         } else {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                            .entity(result).build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId).body(result);
         }
     }
 
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyAuditProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyAuditProvider.java
index 6da8b07f..c3c77a4a 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyAuditProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyAuditProvider.java
@@ -26,22 +26,23 @@ import org.onap.policy.models.pap.persistence.provider.PolicyAuditProvider.Audit
 import org.onap.policy.models.provider.PolicyModelsProvider;
 import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP component to query policy audit information.
  */
+@Service
 public class PolicyAuditProvider {
 
     /**
      * Factory for PAP DAO.
      */
-    private final PolicyModelsProviderFactoryWrapper daoFactory;
+    private PolicyModelsProviderFactoryWrapper daoFactory;
 
-
-    /**
-     * Constructs the object.
-     */
-    public PolicyAuditProvider() {
+    @EventListener(ApplicationReadyEvent.class)
+    public void initialize() {
         this.daoFactory = Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
     }
 
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckControllerV1.java
index 4e9a827f..f7787fc7 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckControllerV1.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019,2021 Nordix Foundation.
  *  Modifications Copyright (C) 2020 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,13 +32,14 @@ import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.util.Map;
 import java.util.UUID;
-import javax.ws.rs.GET;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.Path;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
+import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.tuple.Pair;
-import org.onap.policy.common.endpoints.http.client.HttpClientConfigException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end point for PAP component to fetch all policy components, including PAP,
@@ -45,18 +47,13 @@ import org.onap.policy.common.endpoints.http.client.HttpClientConfigException;
  *
  * @author Yehui Wang (yehui.wang@est.tech)
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class PolicyComponentsHealthCheckControllerV1 extends PapRestControllerV1 {
 
-    private PolicyComponentsHealthCheckProvider provider;
+    private final PolicyComponentsHealthCheckProvider provider;
 
-    /**
-     * Constructs the object.
-     *
-     * @throws HttpClientConfigException if creating http client failed
-     */
-    public PolicyComponentsHealthCheckControllerV1() throws HttpClientConfigException {
-        provider = new PolicyComponentsHealthCheckProvider();
-    }
 
     /**
      * Returns health status of all Policy components, including PAP, API, Distribution, and PDPs.
@@ -65,8 +62,7 @@ public class PolicyComponentsHealthCheckControllerV1 extends PapRestControllerV1
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("components/healthcheck")
+    @GetMapping("components/healthcheck")
     @ApiOperation(value = "Returns health status of all policy components, including PAP, API, Distribution, and PDPs",
         notes = "Queries health status of all policy components, returning all policy components health status",
         response = Map.class,
@@ -94,12 +90,12 @@ public class PolicyComponentsHealthCheckControllerV1 extends PapRestControllerV1
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
     // @formatter:on
-
-    public Response policyComponentsHealthCheck(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
-        final Pair<Status, Map<String, Object>> pair =
-                provider.fetchPolicyComponentsHealthStatus();
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
-                .entity(pair.getRight()).build();
+    public ResponseEntity<Map<String, Object>> policyComponentsHealthCheck(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId) {
+        final Pair<HttpStatus, Map<String, Object>> pair = provider.fetchPolicyComponentsHealthStatus();
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(pair.getLeft())), requestId)
+            .body(pair.getRight());
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckProvider.java
index 2eceb4b0..7a490166 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckProvider.java
@@ -36,15 +36,17 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.Status;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.common.endpoints.http.client.HttpClient;
 import org.onap.policy.common.endpoints.http.client.HttpClientConfigException;
 import org.onap.policy.common.endpoints.http.client.HttpClientFactory;
+import org.onap.policy.common.endpoints.http.client.HttpClientFactoryInstance;
 import org.onap.policy.common.endpoints.parameters.RestClientParameters;
 import org.onap.policy.common.endpoints.report.HealthCheckReport;
-import org.onap.policy.common.parameters.ParameterService;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
@@ -58,33 +60,41 @@ import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
 import org.onap.policy.pap.main.parameters.PapParameterGroup;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP to fetch health status of all Policy components, including PAP, API, Distribution, and PDPs.
  *
  * @author Yehui Wang (yehui.wang@est.tech)
  */
+@Service
 public class PolicyComponentsHealthCheckProvider {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PolicyComponentsHealthCheckProvider.class);
-    private static final String PAP_GROUP_PARAMS_NAME = "PapGroup";
     private static final String HEALTH_STATUS = "healthy";
     private static final Pattern IP_REPLACEMENT_PATTERN = Pattern.compile("//(\\S+):");
     private static final String POLICY_PAP_HEALTHCHECK_URI = "/policy/pap/v1/healthcheck";
     private static List<HttpClient> clients = new ArrayList<>();
-    private static ExecutorService clientHealthCheckExecutorService;
+    private ExecutorService clientHealthCheckExecutorService;
 
-    private PapParameterGroup papParameterGroup = ParameterService.get(PAP_GROUP_PARAMS_NAME);
+    @Autowired
+    private PapParameterGroup papParameterGroup;
+
+    @Value("${server.ssl.enabled:false}")
+    private boolean isHttps;
+
+    @Value("${server.port}")
+    private int port;
 
     /**
      * This method is used to initialize clients and executor.
-     * @param papParameterGroup
-     *     @{link PapParameterGroup} contains the Pap Parameters set during startup
-     * @param clientFactory
-     *     @{link HttpClientFactory} contains the client details
      */
-    public static void initializeClientHealthCheckExecutorService(PapParameterGroup papParameterGroup,
-        HttpClientFactory clientFactory) throws HttpClientConfigException {
+    @PostConstruct
+    public void initializeClientHealthCheckExecutorService() throws HttpClientConfigException {
+        HttpClientFactory clientFactory = HttpClientFactoryInstance.getClientFactory();
         for (RestClientParameters params : papParameterGroup.getHealthCheckRestClientParameters()) {
             params.setManaged(false);
             clients.add(clientFactory.build(params));
@@ -93,11 +103,20 @@ public class PolicyComponentsHealthCheckProvider {
     }
 
     /**
+     * This method clears clients {@link List} and clientHealthCheckExecutorService {@link ExecutorService}.
+     */
+    @PreDestroy
+    public void cleanup() {
+        clients.clear();
+        clientHealthCheckExecutorService.shutdown();
+    }
+
+    /**
      * Returns health status of all Policy components.
      *
      * @return a pair containing the status and the response
      */
-    public Pair<Status, Map<String, Object>> fetchPolicyComponentsHealthStatus() {
+    public Pair<HttpStatus, Map<String, Object>> fetchPolicyComponentsHealthStatus() {
         boolean isHealthy;
         Map<String, Object> result;
 
@@ -129,10 +148,8 @@ public class PolicyComponentsHealthCheckProvider {
 
         // Check PAP itself
         HealthCheckReport papReport = new HealthCheckProvider().performHealthCheck();
-        var restServerParameters = papParameterGroup.getRestServerParameters();
-        papReport.setUrl(
-            (restServerParameters.isHttps() ? "https://" : "http://") + papReport.getUrl() + ":" + restServerParameters
-                .getPort() + POLICY_PAP_HEALTHCHECK_URI);
+        papReport
+            .setUrl(isHttps ? "https://" : "http://" + papReport.getUrl() + ":" + port + POLICY_PAP_HEALTHCHECK_URI);
         if (!papReport.isHealthy()) {
             isHealthy = false;
         }
@@ -154,7 +171,7 @@ public class PolicyComponentsHealthCheckProvider {
 
         result.put(HEALTH_STATUS, isHealthy);
         LOGGER.debug("Policy Components HealthCheck Response - {}", result);
-        return Pair.of(Status.OK, result);
+        return Pair.of(HttpStatus.OK, result);
     }
 
     private Map<String, List<Pdp>> fetchPdpsHealthStatus(List<PdpGroup> groups) {
@@ -246,11 +263,4 @@ public class PolicyComponentsHealthCheckProvider {
                         topicVerificationStatus, message);
     }
 
-    /**
-     * This method clears clients {@link List} and clientHealthCheckExecutorService {@link ExecutorService}.
-     */
-    public static void cleanup() {
-        clients.clear();
-        clientHealthCheckExecutorService.shutdown();
-    }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyStatusControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyStatusControllerV1.java
index 7333432e..43227475 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyStatusControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyStatusControllerV1.java
@@ -33,12 +33,7 @@ import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.util.Collection;
 import java.util.UUID;
-import javax.ws.rs.GET;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.QueryParam;
-import javax.ws.rs.core.Response;
+import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PolicyStatus;
@@ -46,11 +41,22 @@ import org.onap.policy.models.pdp.concepts.PdpPolicyStatus;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifierOptVersion;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST end points for PAP component to retrieve the status of deployed
  * policies.
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class PolicyStatusControllerV1 extends PapRestControllerV1 {
     private static final String EMPTY_REGEX_ERROR_MESSAGE = "An empty string passed as a regex is not allowed";
     private static final String EMPTY_REGEX_WARNING = ". Empty string passed as Regex.";
@@ -58,7 +64,7 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
 
     private static final Logger logger = LoggerFactory.getLogger(PolicyStatusControllerV1.class);
 
-    private final PolicyStatusProvider provider = new PolicyStatusProvider();
+    private final PolicyStatusProvider provider;
 
     /**
      * Queries status of all deployed policies. If regex is not null or empty, the function will only return
@@ -69,8 +75,7 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("policies/deployed")
+    @GetMapping("policies/deployed")
     @ApiOperation(value = "Queries status of all deployed policies",
         notes = "Queries status of all deployed policies, returning success and failure counts of the PDPs",
         responseContainer = "List", response = PolicyStatus.class,
@@ -99,9 +104,11 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response queryAllDeployedPolicies(
-        @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-        @ApiParam(value = "Regex for a policy name") @QueryParam("regex") String regex) {
+    public ResponseEntity<Object> queryAllDeployedPolicies(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "Regex for a policy name") @RequestParam(required = false, value = "regex") String regex) {
         try {
             final Collection<PolicyStatus> result;
             if (regex == null) {
@@ -115,16 +122,16 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                requestId).entity(e.getErrorResponse().getErrorMessage()).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(e.getErrorResponse().getErrorMessage());
         } catch (PatternSyntaxException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.BAD_REQUEST)), requestId)
-                .entity(e.getMessage()).build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(HttpStatus.BAD_REQUEST)), requestId)
+                .body(e.getMessage());
         }
     }
 
-
     /**
      * Queries status of specific deployed policies.
      *
@@ -132,8 +139,7 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("policies/deployed/{name}")
+    @GetMapping("policies/deployed/{name}")
     @ApiOperation(value = "Queries status of specific deployed policies",
         notes = "Queries status of specific deployed policies, returning success and failure counts of the PDPs",
         responseContainer = "List", response = PolicyStatus.class,
@@ -162,9 +168,11 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response queryDeployedPolicies(
-                    @ApiParam(value = "Policy Id", required = true) @PathParam("name") String name,
-                    @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
+    public ResponseEntity<Object> queryDeployedPolicies(
+                    @ApiParam(value = "Policy Id") @PathVariable("name") String name,
+                    @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+                        required = false,
+                        value = REQUEST_ID_NAME) final UUID requestId) {
 
         try {
             Collection<PolicyStatus> result = provider.getStatus(new ToscaConceptIdentifierOptVersion(name, null));
@@ -172,14 +180,14 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
                 return makeNotFoundResponse(requestId);
 
             } else {
-                return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                                .entity(result).build();
+                return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId).body(result);
             }
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                requestId).entity(e.getErrorResponse().getErrorMessage()).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(e.getErrorResponse().getErrorMessage());
         }
     }
 
@@ -191,8 +199,7 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("policies/deployed/{name}/{version}")
+    @GetMapping("policies/deployed/{name}/{version}")
     @ApiOperation(value = "Queries status of a specific deployed policy",
         notes = "Queries status of a specific deployed policy, returning success and failure counts of the PDPs",
         response = PolicyStatus.class,
@@ -221,9 +228,11 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response queryDeployedPolicy(@ApiParam(value = "Policy Id", required = true) @PathParam("name") String name,
-                    @ApiParam(value = "Policy Version", required = true) @PathParam("version") String version,
-                    @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
+    public ResponseEntity<Object> queryDeployedPolicy(@ApiParam(value = "Policy Id") @PathVariable("name") String name,
+                    @ApiParam(value = "Policy Version") @PathVariable("version") String version,
+                    @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+                        required = false,
+                        value = REQUEST_ID_NAME) final UUID requestId) {
 
         try {
             Collection<PolicyStatus> result = provider.getStatus(new ToscaConceptIdentifierOptVersion(name, version));
@@ -231,14 +240,15 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
                 return makeNotFoundResponse(requestId);
 
             } else {
-                return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                                .entity(result.iterator().next()).build();
+                return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+                    .body(result.iterator().next());
             }
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                requestId).entity(e.getErrorResponse().getErrorMessage()).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(e.getErrorResponse().getErrorMessage());
         }
     }
 
@@ -250,8 +260,7 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("policies/status")
+    @GetMapping("policies/status")
     @ApiOperation(value = "Queries status of policies in all PdpGroups",
         notes = "Queries status of policies in all PdpGroups, "
             + "returning status of policies in all the PDPs belonging to all PdpGroups",
@@ -281,17 +290,20 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response getStatusOfAllPolicies(
-                    @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
+    public ResponseEntity<Object> getStatusOfAllPolicies(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId) {
 
         try {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                            .entity(provider.getPolicyStatus()).build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+                .body(provider.getPolicyStatus());
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                requestId).entity(e.getErrorResponse().getErrorMessage()).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(e.getErrorResponse().getErrorMessage());
         }
     }
 
@@ -305,8 +317,7 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("policies/status/{pdpGroupName}")
+    @GetMapping("policies/status/{pdpGroupName}")
     @ApiOperation(value = "Queries status of policies in a specific PdpGroup",
         notes = "Queries status of policies in a specific PdpGroup, "
             + "returning status of policies in all the PDPs belonging to the PdpGroup",
@@ -336,10 +347,12 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response getStatusOfPoliciesByGroup(
-        @ApiParam(value = "PDP Group Name", required = true) @PathParam("pdpGroupName") String pdpGroupName,
-        @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-        @ApiParam(value = "Regex for a policy name") @QueryParam("regex") String regex) {
+    public ResponseEntity<Object> getStatusOfPoliciesByGroup(
+        @ApiParam(value = "PDP Group Name") @PathVariable("pdpGroupName") String pdpGroupName,
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+        @ApiParam(value = "Regex for a policy name") @RequestParam(required = false, value = "regex") String regex) {
 
         try {
             final Collection<PdpPolicyStatus> result;
@@ -354,12 +367,13 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                requestId).entity(e.getErrorResponse().getErrorMessage()).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(e.getErrorResponse().getErrorMessage());
         } catch (PatternSyntaxException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.BAD_REQUEST)), requestId)
-                .entity(e.getMessage()).build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(HttpStatus.BAD_REQUEST)), requestId)
+                .body(e.getMessage());
         }
     }
 
@@ -372,8 +386,7 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("policies/status/{pdpGroupName}/{policyName}")
+    @GetMapping("policies/status/{pdpGroupName}/{policyName}")
     @ApiOperation(value = "Queries status of all versions of a specific policy in a specific PdpGroup",
         notes = "Queries status of all versions of a specific policy in a specific PdpGroup,"
             + " returning status of all versions of the policy in the PDPs belonging to the PdpGroup",
@@ -403,10 +416,12 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response getStatusOfPolicies(
-        @ApiParam(value = "PDP Group Name", required = true) @PathParam("pdpGroupName") String pdpGroupName,
-        @ApiParam(value = "Policy Id", required = true) @PathParam("policyName") String policyName,
-        @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
+    public ResponseEntity<Object> getStatusOfPolicies(
+        @ApiParam(value = "PDP Group Name") @PathVariable("pdpGroupName") String pdpGroupName,
+        @ApiParam(value = "Policy Id") @PathVariable("policyName") String policyName,
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId) {
 
         try {
             Collection<PdpPolicyStatus> result =
@@ -415,14 +430,15 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
                 return makeNotFoundResponse(requestId);
 
             } else {
-                return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                                .entity(result).build();
+                return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+                    .body(result);
             }
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                requestId).entity(e.getErrorResponse().getErrorMessage()).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(e.getErrorResponse().getErrorMessage());
         }
     }
 
@@ -437,8 +453,7 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
      * @return a response
      */
     // @formatter:off
-    @GET
-    @Path("policies/status/{pdpGroupName}/{policyName}/{policyVersion}")
+    @GetMapping("policies/status/{pdpGroupName}/{policyName}/{policyVersion}")
     @ApiOperation(value = "Queries status of a specific version of a specific policy in a specific PdpGroup",
         notes = "Queries status of a specific version of a specific policy in a specific PdpGroup,"
             + " returning status of the policy in the PDPs belonging to the PdpGroup",
@@ -468,11 +483,13 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
     })
     // @formatter:on
 
-    public Response getStatusOfPolicy(
-        @ApiParam(value = "PDP Group Name", required = true) @PathParam("pdpGroupName") String pdpGroupName,
-        @ApiParam(value = "Policy Id", required = true) @PathParam("policyName") String policyName,
-        @ApiParam(value = "Policy Version", required = true) @PathParam("policyVersion") String policyVersion,
-        @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
+    public ResponseEntity<Object> getStatusOfPolicy(
+        @ApiParam(value = "PDP Group Name") @PathVariable("pdpGroupName") String pdpGroupName,
+        @ApiParam(value = "Policy Id") @PathVariable("policyName") String policyName,
+        @ApiParam(value = "Policy Version") @PathVariable("policyVersion") String policyVersion,
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId) {
 
         try {
             Collection<PdpPolicyStatus> result = provider.getPolicyStatus(pdpGroupName,
@@ -481,14 +498,15 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
                 return makeNotFoundResponse(requestId);
 
             } else {
-                return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                                .entity(result.iterator().next()).build();
+                return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+                    .body(result.iterator().next());
             }
 
         } catch (PfModelException | PfModelRuntimeException e) {
             logger.warn(GET_DEPLOYMENTS_FAILED, e);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
-                requestId).entity(e.getErrorResponse().getErrorMessage()).build();
+            return addLoggingHeaders(
+                addVersionControlHeaders(ResponseEntity.status(e.getErrorResponse().getResponseCode().getStatusCode())),
+                requestId).body(e.getErrorResponse().getErrorMessage());
         }
     }
 
@@ -498,23 +516,22 @@ public class PolicyStatusControllerV1 extends PapRestControllerV1 {
      * @param requestId request ID
      * @return a "not found" response
      */
-    private Response makeNotFoundResponse(final UUID requestId) {
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.NOT_FOUND)), requestId)
+    private ResponseEntity<Object> makeNotFoundResponse(final UUID requestId) {
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(HttpStatus.NOT_FOUND)), requestId)
                         .build();
     }
 
-    private Response makeRegexNotFoundResponse(UUID requestId) {
+    private ResponseEntity<Object> makeRegexNotFoundResponse(UUID requestId) {
         logger.warn(GET_DEPLOYMENTS_FAILED + EMPTY_REGEX_WARNING);
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.BAD_REQUEST)),
-            requestId).entity(EMPTY_REGEX_ERROR_MESSAGE).build();
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.status(HttpStatus.BAD_REQUEST)),
+            requestId).body(EMPTY_REGEX_ERROR_MESSAGE);
     }
 
-    private Response makeListOrNotFoundResponse(UUID requestId, Collection<?> result) {
+    private ResponseEntity<Object> makeListOrNotFoundResponse(UUID requestId, Collection<?> result) {
         if (result.isEmpty()) {
             return makeNotFoundResponse(requestId);
         } else {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                .entity(result).build();
+            return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId).body(result);
         }
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyStatusProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyStatusProvider.java
index d8e7e549..dd133a1a 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyStatusProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyStatusProvider.java
@@ -35,22 +35,26 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifierO
 import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
 import org.onap.policy.pap.main.notification.DeploymentTracker;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Service;
 
 /**
  * Provider for PAP component to query policy deployment status.
  */
+@Service
 public class PolicyStatusProvider {
 
     /**
      * Factory for PAP DAO.
      */
-    private final PolicyModelsProviderFactoryWrapper daoFactory;
-
+    private PolicyModelsProviderFactoryWrapper daoFactory;
 
     /**
      * Constructs the object. Loads all deployed policies into the internal cache.
      */
-    public PolicyStatusProvider() {
+    @EventListener(ApplicationReadyEvent.class)
+    public void initialize() {
         this.daoFactory = Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
     }
 
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyUndeployerImpl.java b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyUndeployerImpl.java
index fe584265..ea55f815 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyUndeployerImpl.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyUndeployerImpl.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2020-2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,12 +43,11 @@ import org.slf4j.LoggerFactory;
 public class PolicyUndeployerImpl extends ProviderBase implements PolicyUndeployer {
     private static final Logger logger = LoggerFactory.getLogger(PolicyUndeployerImpl.class);
 
-
     /**
      * Constructs the object.
      */
     public PolicyUndeployerImpl() {
-        super();
+        super.initialize();
     }
 
     @Override
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/ProviderBase.java b/main/src/main/java/org/onap/policy/pap/main/rest/ProviderBase.java
index df5d7bac..ad6ff21e 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/ProviderBase.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/ProviderBase.java
@@ -40,6 +40,8 @@ import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
 import org.onap.policy.pap.main.comm.PdpModifyRequestMap;
 import org.onap.policy.pap.main.notification.PolicyNotifier;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.event.EventListener;
 
 /**
  * Super class of providers that deploy and undeploy PDP groups. The following items must
@@ -57,27 +59,28 @@ public abstract class ProviderBase {
     /**
      * Lock used when updating PDPs.
      */
-    private final Object updateLock;
+    private Object updateLock;
 
     /**
      * Used to send UPDATE and STATE-CHANGE requests to the PDPs.
      */
-    private final PdpModifyRequestMap requestMap;
+    private PdpModifyRequestMap requestMap;
 
     /**
      * Generates policy notifications based on responses from PDPs.
      */
-    private final PolicyNotifier notifier;
+    private PolicyNotifier notifier;
 
     /**
      * Factory for PAP DAO.
      */
-    private final PolicyModelsProviderFactoryWrapper daoFactory;
+    private PolicyModelsProviderFactoryWrapper daoFactory;
 
     /**
-     * Constructs the object.
+     * Initializes the parameters..
      */
-    protected ProviderBase() {
+    @EventListener(ApplicationReadyEvent.class)
+    public void initialize() {
         this.updateLock = Registry.get(PapConstants.REG_PDP_MODIFY_LOCK, Object.class);
         this.requestMap = Registry.get(PapConstants.REG_PDP_MODIFY_MAP, PdpModifyRequestMap.class);
         this.daoFactory = Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestControllerV1.java b/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestControllerV1.java
index 718ae574..641e2ba9 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestControllerV1.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestControllerV1.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019-2021 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,29 +31,32 @@ import io.swagger.annotations.Extension;
 import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
 import java.time.Instant;
+import java.util.List;
 import java.util.Map;
 import java.util.UUID;
-import javax.ws.rs.GET;
-import javax.ws.rs.HeaderParam;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.QueryParam;
-import javax.ws.rs.core.Response;
+import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.base.PfModelRuntimeException;
+import org.onap.policy.models.pdp.concepts.PdpStatistics;
 import org.onap.policy.models.pdp.persistence.provider.PdpFilterParameters;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Class to provide REST endpoints for PAP component statistics.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@RestController
+@RequestMapping(path = "/policy/pap/v1")
+@RequiredArgsConstructor
 public class StatisticsRestControllerV1 extends PapRestControllerV1 {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(StatisticsRestControllerV1.class);
-    private static final String GET_STATISTICS_ERR_MSG = "get pdpStatistics failed";
+    private final StatisticsRestProvider provider;
 
     /**
      * get statistics of PAP.
@@ -60,8 +64,7 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
      *
      * @return a response
      */
-    @GET
-    @Path("statistics")
+    @GetMapping("statistics")
     @ApiOperation(value = "Fetch current statistics",
             notes = "Returns current statistics of the Policy Administration component",
             response = StatisticsReport.class, authorizations = @Authorization(value = AUTHORIZATION_TYPE))
@@ -69,11 +72,12 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = AUTHENTICATION_ERROR_CODE, message = AUTHENTICATION_ERROR_MESSAGE),
         @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)})
-    public Response statistics(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                .entity(new StatisticsRestProvider().fetchCurrentStatistics())
-                .build();
+    public ResponseEntity<StatisticsReport> statistics(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId) {
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+            .body(provider.fetchCurrentStatistics());
     }
 
     /**
@@ -81,9 +85,9 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
      *
      *
      * @return a response
+     * @throws PfModelException the exception
      */
-    @GET
-    @Path("pdps/statistics")
+    @GetMapping("pdps/statistics")
     @ApiOperation(value = "Fetch  statistics for all PDP Groups and subgroups in the system",
             notes = "Returns for all PDP Groups and subgroups statistics of the Policy Administration component",
             response = Map.class, tags = {"PDP Statistics"},
@@ -110,27 +114,22 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
-    public Response pdpStatistics(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-            @ApiParam(value = "Record Count", required = false) @QueryParam("recordCount") final int recordCount,
-            @ApiParam(value = "Start time in epoch timestamp",
-                            required = false) @QueryParam("startTime") final Long startTime,
-            @ApiParam(value = "End time in epoch timestamp",
-                            required = false) @QueryParam("endTime") final Long endTime) {
-        try {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(new StatisticsRestProvider().fetchDatabaseStatistics(PdpFilterParameters.builder()
-                                    .recordNum(recordCount)
-                                    .startTime(convertEpochtoInstant(startTime))
-                                    .endTime(convertEpochtoInstant(endTime))
-                                    .build()))
-                    .build();
-        } catch (final PfModelException | PfModelRuntimeException exp) {
-            LOGGER.info(GET_STATISTICS_ERR_MSG, exp);
-            return addLoggingHeaders(
-                    addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
-                            .build();
-        }
+    public ResponseEntity<Map<String, Map<String, List<PdpStatistics>>>> pdpStatistics(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+            @ApiParam(value = "Record Count") @RequestParam(
+                defaultValue = "10", required = false,
+                value = "recordCount") final int recordCount,
+            @ApiParam(value = "Start time in epoch timestamp") @RequestParam(
+                                required = false,
+                                value = "startTime") final Long startTime,
+            @ApiParam(value = "End time in epoch timestamp") @RequestParam(
+                                required = false,
+                                value = "endTime") final Long endTime) throws PfModelException {
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+            .body(provider.fetchDatabaseStatistics(PdpFilterParameters.builder().recordNum(recordCount)
+                .startTime(convertEpochtoInstant(startTime)).endTime(convertEpochtoInstant(endTime)).build()));
     }
 
     /**
@@ -138,9 +137,9 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
      *
      * @param groupName name of the PDP group
      * @return a response
+     * @throws PfModelException the exception
      */
-    @GET
-    @Path("pdps/statistics/{group}")
+    @GetMapping("pdps/statistics/{group}")
     @ApiOperation(value = "Fetch current statistics for given PDP Group",
             notes = "Returns statistics for given PDP Group of the Policy Administration component",
             response = Map.class, tags = {"PDP Statistics"},
@@ -166,29 +165,23 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
-    public Response pdpGroupStatistics(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-            @ApiParam(value = "PDP Group Name", required = true) @PathParam("group") final String groupName,
-            @ApiParam(value = "Record Count", required = false) @QueryParam("recordCount") final int recordCount,
-            @ApiParam(value = "Start time in epoch timestamp",
-                            required = false) @QueryParam("startTime") final Long startTime,
-            @ApiParam(value = "End time in epoch timestamp",
-                            required = false) @QueryParam("endTime") final Long endTime) {
-        try {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(new StatisticsRestProvider().fetchDatabaseStatistics(PdpFilterParameters.builder()
-                                    .group(groupName)
-                                    .recordNum(recordCount)
-                                    .startTime(convertEpochtoInstant(startTime))
-                                    .endTime(convertEpochtoInstant(endTime))
-                                    .build()))
-                    .build();
-        } catch (final PfModelException | PfModelRuntimeException exp) {
-            LOGGER.info(GET_STATISTICS_ERR_MSG, exp);
-            return addLoggingHeaders(
-                    addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
-                            .build();
-        }
+    public ResponseEntity<Map<String, Map<String, List<PdpStatistics>>>> pdpGroupStatistics(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+            @ApiParam(value = "PDP Group Name") @PathVariable("group") final String groupName,
+            @ApiParam(value = "Record Count") @RequestParam(
+                defaultValue = "10", required = false,
+                value = "recordCount") final int recordCount,
+            @ApiParam(value = "Start time in epoch timestamp") @RequestParam(
+                                required = false,
+                                value = "startTime") final Long startTime,
+            @ApiParam(value = "End time in epoch timestamp") @RequestParam(
+                                required = false,
+                                value = "endTime") final Long endTime) throws PfModelException {
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+            .body(provider.fetchDatabaseStatistics(PdpFilterParameters.builder().group(groupName).recordNum(recordCount)
+                .startTime(convertEpochtoInstant(startTime)).endTime(convertEpochtoInstant(endTime)).build()));
     }
 
     /**
@@ -197,9 +190,9 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
      * @param groupName name of the PDP group
      * @param subType type of the sub PDP group
      * @return a response
+     * @throws PfModelException the exception
      */
-    @GET
-    @Path("pdps/statistics/{group}/{type}")
+    @GetMapping("pdps/statistics/{group}/{type}")
     @ApiOperation(value = "Fetch statistics for the specified subgroup",
             notes = "Returns  statistics for the specified subgroup of the Policy Administration component",
             response = Map.class, tags = {"PDP Statistics"},
@@ -225,31 +218,25 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
-    public Response pdpSubGroupStatistics(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-            @ApiParam(value = "PDP Group Name", required = true) @PathParam("group") final String groupName,
-            @ApiParam(value = "PDP SubGroup type", required = true) @PathParam("type") final String subType,
-            @ApiParam(value = "Record Count", required = false) @QueryParam("recordCount") final int recordCount,
-            @ApiParam(value = "Start time in epoch timestamp",
-                            required = false) @QueryParam("startTime") final Long startTime,
-            @ApiParam(value = "End time in epoch timestamp",
-                            required = false) @QueryParam("endTime") final Long endTime) {
-        try {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(new StatisticsRestProvider().fetchDatabaseStatistics(PdpFilterParameters.builder()
-                                    .group(groupName)
-                                    .subGroup(subType)
-                                    .recordNum(recordCount)
-                                    .startTime(convertEpochtoInstant(startTime))
-                                    .endTime(convertEpochtoInstant(endTime))
-                                    .build()))
-                    .build();
-        } catch (final PfModelException | PfModelRuntimeException exp) {
-            LOGGER.info(GET_STATISTICS_ERR_MSG, exp);
-            return addLoggingHeaders(
-                    addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
-                            .build();
-        }
+    public ResponseEntity<Map<String, Map<String, List<PdpStatistics>>>> pdpSubGroupStatistics(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+            @ApiParam(value = "PDP Group Name") @PathVariable("group") final String groupName,
+            @ApiParam(value = "PDP SubGroup type") @PathVariable("type") final String subType,
+            @ApiParam(value = "Record Count") @RequestParam(
+                defaultValue = "10", required = false,
+                value = "recordCount") final int recordCount,
+            @ApiParam(value = "Start time in epoch timestamp") @RequestParam(
+                                required = false,
+                                value = "startTime") final Long startTime,
+            @ApiParam(value = "End time in epoch timestamp") @RequestParam(
+                                required = false,
+                                value = "endTime") final Long endTime) throws PfModelException {
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+            .body(provider.fetchDatabaseStatistics(
+                PdpFilterParameters.builder().group(groupName).subGroup(subType).recordNum(recordCount)
+                    .startTime(convertEpochtoInstant(startTime)).endTime(convertEpochtoInstant(endTime)).build()));
     }
 
     /**
@@ -260,9 +247,9 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
      * @param pdpName the name of the PDP
      * @param recordCount the count of the query response, optional, default return all statistics stored
      * @return a response
+     * @throws PfModelException the exception
      */
-    @GET
-    @Path("pdps/statistics/{group}/{type}/{pdp}")
+    @GetMapping("pdps/statistics/{group}/{type}/{pdp}")
     @ApiOperation(value = "Fetch statistics for the specified pdp",
             notes = "Returns  statistics for the specified pdp of the Policy Administration component",
             response = Map.class,
@@ -289,34 +276,26 @@ public class StatisticsRestControllerV1 extends PapRestControllerV1 {
         @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
         @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
     })
-    public Response pdpInstanceStatistics(
-            @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
-            @ApiParam(value = "PDP Group Name", required = true) @PathParam("group") final String groupName,
-            @ApiParam(value = "PDP SubGroup type", required = true) @PathParam("type") final String subType,
-            @ApiParam(value = "PDP Instance name", required = true) @PathParam("pdp") final String pdpName,
-            @ApiParam(value = "Record Count", required = false) @QueryParam("recordCount") final int recordCount,
-            @ApiParam(value = "Start time in epoch timestamp",
-                            required = false) @QueryParam("startTime") final Long startTime,
-            @ApiParam(value = "End time in epoch timestamp",
-                            required = false) @QueryParam("endTime") final Long endTime) {
-        try {
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(new StatisticsRestProvider().fetchDatabaseStatistics(
-                            PdpFilterParameters.builder()
-                                    .group(groupName)
-                                    .subGroup(subType)
-                                    .name(pdpName)
-                                    .recordNum(recordCount)
-                                    .startTime(convertEpochtoInstant(startTime))
-                                    .endTime(convertEpochtoInstant(endTime))
-                                    .build()))
-                    .build();
-        } catch (final PfModelException | PfModelRuntimeException exp) {
-            LOGGER.info(GET_STATISTICS_ERR_MSG, exp);
-            return addLoggingHeaders(
-                    addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
-                            .build();
-        }
+    public ResponseEntity<Map<String, Map<String, List<PdpStatistics>>>> pdpInstanceStatistics(
+        @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) @RequestHeader(
+            required = false,
+            value = REQUEST_ID_NAME) final UUID requestId,
+            @ApiParam(value = "PDP Group Name") @PathVariable("group") final String groupName,
+            @ApiParam(value = "PDP SubGroup type") @PathVariable("type") final String subType,
+            @ApiParam(value = "PDP Instance name") @PathVariable("pdp") final String pdpName,
+            @ApiParam(value = "Record Count") @RequestParam(
+                defaultValue = "10", required = false,
+                value = "recordCount") final int recordCount,
+            @ApiParam(value = "Start time in epoch timestamp") @RequestParam(
+                                required = false,
+                                value = "startTime") final Long startTime,
+            @ApiParam(value = "End time in epoch timestamp") @RequestParam(
+                                required = false,
+                                value = "endTime") final Long endTime) throws PfModelException {
+        return addLoggingHeaders(addVersionControlHeaders(ResponseEntity.ok()), requestId)
+            .body(provider.fetchDatabaseStatistics(
+                PdpFilterParameters.builder().group(groupName).subGroup(subType).name(pdpName).recordNum(recordCount)
+                    .startTime(convertEpochtoInstant(startTime)).endTime(convertEpochtoInstant(endTime)).build()));
     }
 
     private Instant convertEpochtoInstant(Long epochSecond) {
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestProvider.java
index d2771d67..51f10fef 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/StatisticsRestProvider.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2020-2021 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,12 +36,14 @@ import org.onap.policy.models.provider.PolicyModelsProvider;
 import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
 import org.onap.policy.pap.main.startstop.PapActivator;
+import org.springframework.stereotype.Service;
 
 /**
  * Class to fetch statistics of pap component.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@Service
 public class StatisticsRestProvider {
     private static final String GET_STATISTICS_ERR_MSG = "database query failed";
 
diff --git a/main/src/main/java/org/onap/policy/pap/main/startstop/Main.java b/main/src/main/java/org/onap/policy/pap/main/startstop/Main.java
deleted file mode 100644
index 5918ed12..00000000
--- a/main/src/main/java/org/onap/policy/pap/main/startstop/Main.java
+++ /dev/null
@@ -1,161 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
- *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
- *  Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.pap.main.startstop;
-
-import java.util.Arrays;
-import org.onap.policy.common.utils.resources.MessageConstants;
-import org.onap.policy.common.utils.services.Registry;
-import org.onap.policy.pap.main.PapConstants;
-import org.onap.policy.pap.main.PolicyPapRuntimeException;
-import org.onap.policy.pap.main.parameters.PapParameterGroup;
-import org.onap.policy.pap.main.parameters.PapParameterHandler;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * This class initiates ONAP Policy Framework PAP component.
- *
- * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
- */
-public class Main {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(Main.class);
-
-    private PapActivator activator;
-    private PapParameterGroup parameterGroup;
-
-    /**
-     * Instantiates the policy pap service.
-     *
-     * @param args the command line arguments
-     */
-    public Main(final String[] args) {
-        final var argumentString = Arrays.toString(args);
-        LOGGER.info("Starting policy pap service with arguments - {}", argumentString);
-
-        // Check the arguments
-        final var arguments = new PapCommandLineArguments();
-        try {
-            // The arguments return a string if there is a message to print and we should exit
-            final String argumentMessage = arguments.parse(args);
-            if (argumentMessage != null) {
-                LOGGER.info(argumentMessage);
-                return;
-            }
-            // Validate that the arguments are sane
-            arguments.validate();
-
-            // Read the parameters
-            parameterGroup = new PapParameterHandler().getParameters(arguments);
-
-            // Initialize database
-            new PapDatabaseInitializer().initializePapDatabase(
-                    parameterGroup.getDatabaseProviderParameters(),
-                    arguments.getPdpGroupsConfiguration());
-
-            // Now, create the activator for the policy pap service
-            activator = new PapActivator(parameterGroup);
-            Registry.register(PapConstants.REG_PAP_ACTIVATOR, activator);
-
-            // Start the activator
-            activator.start();
-        } catch (Exception exp) { // NOSONAR
-            /*
-             * Disabled sonar on the above line, because we want to capture the stack
-             * trace via the logger while still reporting the exception message on stdout
-             * when the JVM exits.
-             */
-            LOGGER.error("failed to start Main", exp);
-            if (null != activator) {
-                Registry.unregister(PapConstants.REG_PAP_ACTIVATOR);
-            }
-            throw new PolicyPapRuntimeException(
-                String.format(MessageConstants.START_FAILURE_MSG, MessageConstants.POLICY_PAP), exp);
-        }
-
-        // Add a shutdown hook to shut everything down in an orderly manner
-        Runtime.getRuntime().addShutdownHook(new PolicyPapShutdownHookClass());
-        var successMsg = String.format(MessageConstants.START_SUCCESS_MSG, MessageConstants.POLICY_PAP);
-        LOGGER.info(successMsg);
-    }
-
-    /**
-     * Get the parameters specified in JSON.
-     *
-     * @return the parameters
-     */
-    public PapParameterGroup getParameters() {
-        return parameterGroup;
-    }
-
-    /**
-     * Shut down Execution.
-     *
-     */
-    public void shutdown() {
-        // clear the parameterGroup variable
-        parameterGroup = null;
-
-        // clear the pap activator
-        if (activator != null) {
-            activator.stop();
-        }
-    }
-
-    /**
-     * The Class PolicyPapShutdownHookClass terminates the policy pap service when its run method is called.
-     */
-    private class PolicyPapShutdownHookClass extends Thread {
-        /*
-         * (non-Javadoc)
-         *
-         * @see java.lang.Runnable#run()
-         */
-        @Override
-        public void run() {
-            if (!activator.isAlive()) {
-                return;
-            }
-
-            try {
-                // Shutdown the policy pap service and wait for everything to stop
-                activator.stop();
-            } catch (final RuntimeException e) {
-                LOGGER.warn("error occurred during shut down of the policy pap service", e);
-            }
-        }
-    }
-
-    /**
-     * The main method.
-     *
-     * @param args the arguments
-     */
-    public static void main(final String[] args) {      // NOSONAR
-        /*
-         * NOTE: arguments are validated by the constructor, thus sonar is disabled.
-         */
-
-        new Main(args);
-    }
-}
diff --git a/main/src/main/java/org/onap/policy/pap/main/startstop/PapActivator.java b/main/src/main/java/org/onap/policy/pap/main/startstop/PapActivator.java
index ad78fc7c..94943706 100644
--- a/main/src/main/java/org/onap/policy/pap/main/startstop/PapActivator.java
+++ b/main/src/main/java/org/onap/policy/pap/main/startstop/PapActivator.java
@@ -30,8 +30,6 @@ import java.util.concurrent.atomic.AtomicReference;
 import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.event.comm.TopicListener;
 import org.onap.policy.common.endpoints.event.comm.TopicSource;
-import org.onap.policy.common.endpoints.http.client.HttpClientFactoryInstance;
-import org.onap.policy.common.endpoints.http.server.RestServer;
 import org.onap.policy.common.endpoints.listeners.MessageTypeDispatcher;
 import org.onap.policy.common.endpoints.listeners.RequestIdDispatcher;
 import org.onap.policy.common.parameters.ParameterService;
@@ -51,21 +49,12 @@ import org.onap.policy.pap.main.comm.TimerManager;
 import org.onap.policy.pap.main.notification.PolicyNotifier;
 import org.onap.policy.pap.main.parameters.PapParameterGroup;
 import org.onap.policy.pap.main.parameters.PdpModifyRequestMapParams;
-import org.onap.policy.pap.main.rest.HealthCheckRestControllerV1;
-import org.onap.policy.pap.main.rest.PapAafFilter;
 import org.onap.policy.pap.main.rest.PapStatisticsManager;
-import org.onap.policy.pap.main.rest.PdpGroupCreateOrUpdateControllerV1;
-import org.onap.policy.pap.main.rest.PdpGroupDeleteControllerV1;
-import org.onap.policy.pap.main.rest.PdpGroupDeployControllerV1;
-import org.onap.policy.pap.main.rest.PdpGroupHealthCheckControllerV1;
-import org.onap.policy.pap.main.rest.PdpGroupQueryControllerV1;
-import org.onap.policy.pap.main.rest.PdpGroupStateChangeControllerV1;
-import org.onap.policy.pap.main.rest.PolicyAuditControllerV1;
-import org.onap.policy.pap.main.rest.PolicyComponentsHealthCheckControllerV1;
-import org.onap.policy.pap.main.rest.PolicyComponentsHealthCheckProvider;
-import org.onap.policy.pap.main.rest.PolicyStatusControllerV1;
 import org.onap.policy.pap.main.rest.PolicyUndeployerImpl;
-import org.onap.policy.pap.main.rest.StatisticsRestControllerV1;
+import org.springframework.context.event.ContextClosedEvent;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
 
 /**
  * This class activates Policy Administration (PAP) as a complete service together with all its controllers, listeners &
@@ -73,6 +62,7 @@ import org.onap.policy.pap.main.rest.StatisticsRestControllerV1;
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@Component
 public class PapActivator extends ServiceManagerContainer {
     private static final String[] MSG_TYPE_NAMES = { "messageName" };
     private static final String[] REQ_ID_NAMES = { "response", "responseTo" };
@@ -82,7 +72,7 @@ public class PapActivator extends ServiceManagerContainer {
      */
     private static final int MAX_MISSED_HEARTBEATS = 3;
 
-    private final PapParameterGroup papParameterGroup;
+    private PapParameterGroup papParameterGroup;
 
     /**
      * Listens for messages on the topic, decodes them into a {@link PdpStatus} message, and then dispatches them to
@@ -108,13 +98,12 @@ public class PapActivator extends ServiceManagerContainer {
      *
      * @param papParameterGroup the parameters for the pap service
      */
-    public PapActivator(final PapParameterGroup papParameterGroup) {
+    public PapActivator(PapParameterGroup papParameterGroup) {
         super("Policy PAP");
-
+        this.papParameterGroup = papParameterGroup;
         TopicEndpointManager.getManager().addTopics(papParameterGroup.getTopicParameterGroup());
 
         try {
-            this.papParameterGroup = papParameterGroup;
             this.responseMsgDispatcher = new MessageTypeDispatcher(MSG_TYPE_NAMES);
             this.heartbeatMsgDispatcher = new MessageTypeDispatcher(MSG_TYPE_NAMES);
             this.responseReqIdDispatcher = new RequestIdDispatcher<>(PdpStatus.class, REQ_ID_NAMES);
@@ -126,7 +115,6 @@ public class PapActivator extends ServiceManagerContainer {
             throw new PolicyPapRuntimeException(e);
         }
 
-        papParameterGroup.getRestServerParameters().setName(papParameterGroup.getName());
 
         final var pdpUpdateLock = new Object();
         final var pdpParams = papParameterGroup.getPdpParameters();
@@ -137,7 +125,6 @@ public class PapActivator extends ServiceManagerContainer {
         final AtomicReference<ScheduledExecutorService> pdpExpirationTimer = new AtomicReference<>();
         final AtomicReference<PolicyModelsProviderFactoryWrapper> daoFactory = new AtomicReference<>();
         final AtomicReference<PdpModifyRequestMap> requestMap = new AtomicReference<>();
-        final AtomicReference<RestServer> restServer = new AtomicReference<>();
         final AtomicReference<PolicyNotifier> notifier = new AtomicReference<>();
 
         // @formatter:off
@@ -182,6 +169,10 @@ public class PapActivator extends ServiceManagerContainer {
             () -> Registry.register(PapConstants.REG_STATISTICS_MANAGER, new PapStatisticsManager()),
             () -> Registry.unregister(PapConstants.REG_STATISTICS_MANAGER));
 
+        addAction("PAP Activator",
+            () -> Registry.register(PapConstants.REG_PAP_ACTIVATOR, this),
+            () -> Registry.unregister(PapConstants.REG_PAP_ACTIVATOR));
+
         addAction("PDP publisher",
             () -> {
                 pdpPub.set(new Publisher<>(PapConstants.TOPIC_POLICY_PDP_PAP));
@@ -253,30 +244,6 @@ public class PapActivator extends ServiceManagerContainer {
             },
             () -> pdpExpirationTimer.get().shutdown());
 
-        addAction("PAP client executor",
-            () ->
-                PolicyComponentsHealthCheckProvider.initializeClientHealthCheckExecutorService(papParameterGroup,
-                                HttpClientFactoryInstance.getClientFactory()),
-                PolicyComponentsHealthCheckProvider::cleanup);
-
-        addAction("REST server",
-            () -> {
-                var server = new RestServer(papParameterGroup.getRestServerParameters(), PapAafFilter.class,
-                                HealthCheckRestControllerV1.class,
-                                StatisticsRestControllerV1.class,
-                                PdpGroupCreateOrUpdateControllerV1.class,
-                                PdpGroupDeployControllerV1.class,
-                                PdpGroupDeleteControllerV1.class,
-                                PdpGroupStateChangeControllerV1.class,
-                                PdpGroupQueryControllerV1.class,
-                                PdpGroupHealthCheckControllerV1.class,
-                                PolicyStatusControllerV1.class,
-                                PolicyComponentsHealthCheckControllerV1.class,
-                                PolicyAuditControllerV1.class);
-                restServer.set(server);
-                restServer.get().start();
-            },
-            () -> restServer.get().stop());
         // @formatter:on
     }
 
@@ -322,4 +289,28 @@ public class PapActivator extends ServiceManagerContainer {
             source.unregister(dispatcher);
         }
     }
+
+    /**
+     * Handle ContextRefreshEvent.
+     *
+     * @param ctxRefreshedEvent the ContextRefreshedEvent
+     */
+    @EventListener
+    public void handleContextRefreshEvent(ContextRefreshedEvent ctxRefreshedEvent) {
+        if (!isAlive()) {
+            start();
+        }
+    }
+
+    /**
+     * Handle ContextClosedEvent.
+     *
+     * @param ctxClosedEvent the ContextClosedEvent
+     */
+    @EventListener
+    public void handleContextClosedEvent(ContextClosedEvent ctxClosedEvent) {
+        if (isAlive()) {
+            stop();
+        }
+    }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/startstop/PapCommandLineArguments.java b/main/src/main/java/org/onap/policy/pap/main/startstop/PapCommandLineArguments.java
deleted file mode 100644
index afc8fbca..00000000
--- a/main/src/main/java/org/onap/policy/pap/main/startstop/PapCommandLineArguments.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2019-2021 Nordix Foundation.
- *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.pap.main.startstop;
-
-import org.apache.commons.cli.Option;
-import org.onap.policy.common.utils.cmd.CommandLineArgumentsHandler;
-import org.onap.policy.common.utils.cmd.CommandLineException;
-import org.onap.policy.common.utils.resources.MessageConstants;
-import org.onap.policy.pap.main.PolicyPapRuntimeException;
-
-/**
- * This class reads and handles command line parameters for the policy pap service.
- *
- * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
- */
-public class PapCommandLineArguments extends CommandLineArgumentsHandler {
-
-    protected static final String GROUP_FILE_OPTION = "g";
-    protected static final String GROUP_FILE_LONG_OPTION = "groups-file";
-    public static final String GROUP_FILE_ARG_NAME = "GROUP_FILE";
-
-    protected static final String DEFAULT_GROUP_RESOURCE = "PapDb.json";
-
-    /**
-     * Construct the options for the CLI editor.
-     */
-    public PapCommandLineArguments() {
-        super(Main.class.getName(), MessageConstants.POLICY_PAP, customOptionG());
-    }
-
-    private static Option customOptionG() {
-        return Option.builder(GROUP_FILE_OPTION).longOpt(GROUP_FILE_LONG_OPTION)
-                       .desc("the full path to the groups file to use, "
-                                     + "the groups file contains the group configuration added to the DB")
-                       .hasArg().argName(GROUP_FILE_ARG_NAME).required(false).type(String.class).build();
-    }
-
-    protected String getPdpGroupsConfiguration() {
-        return this.getCommandLine()
-                       .getOptionValue(GROUP_FILE_OPTION, DEFAULT_GROUP_RESOURCE);
-    }
-
-    @Override
-    public void validate() throws CommandLineException {
-        super.validate();
-        String groupConfig = getPdpGroupsConfiguration();
-        if (!groupConfig.equals(DEFAULT_GROUP_RESOURCE)) {
-            validateReadableFile(MessageConstants.POLICY_PAP, groupConfig);
-        }
-    }
-
-    /**
-     * Construct the options for the CLI editor and parse in the given arguments.
-     *
-     * @param args The command line arguments
-     */
-    public PapCommandLineArguments(final String[] args) {
-        this();
-
-        try {
-            parse(args);
-        } catch (final CommandLineException e) {
-            throw new PolicyPapRuntimeException("parse error on policy pap parameters", e);
-        }
-    }
-}
diff --git a/main/src/main/java/org/onap/policy/pap/main/startstop/PapDatabaseInitializer.java b/main/src/main/java/org/onap/policy/pap/main/startstop/PapDatabaseInitializer.java
index d180c934..617cdf36 100644
--- a/main/src/main/java/org/onap/policy/pap/main/startstop/PapDatabaseInitializer.java
+++ b/main/src/main/java/org/onap/policy/pap/main/startstop/PapDatabaseInitializer.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +23,7 @@
 package org.onap.policy.pap.main.startstop;
 
 import java.util.List;
+import javax.annotation.PostConstruct;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
@@ -32,14 +34,21 @@ import org.onap.policy.models.pdp.concepts.PdpGroups;
 import org.onap.policy.models.provider.PolicyModelsProviderFactory;
 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
 import org.onap.policy.pap.main.PolicyPapException;
+import org.onap.policy.pap.main.parameters.PapParameterGroup;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.stereotype.Component;
 
 /**
  * This class creates initial PdpGroup/SubGroup in the database.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
+@Component
+@ConditionalOnProperty(value = "db.initialize", havingValue = "true", matchIfMissing = true)
 public class PapDatabaseInitializer {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PapDatabaseInitializer.class);
@@ -47,6 +56,12 @@ public class PapDatabaseInitializer {
     private final StandardCoder standardCoder;
     private final PolicyModelsProviderFactory factory;
 
+    @Autowired
+    private PapParameterGroup papParameterGroup;
+
+    @Value("${group-config-file:PapDb.json}")
+    private String groupConfigFile;
+
     /**
      * Constructs the object.
      */
@@ -59,9 +74,10 @@ public class PapDatabaseInitializer {
      * Initializes database with group information.
      *
      * @param policyModelsProviderParameters the database parameters
+     * @param groupsJson the group file path
      * @throws PolicyPapException in case of errors.
      */
-    public void initializePapDatabase(
+    private void initializePapDatabase(
             final PolicyModelsProviderParameters policyModelsProviderParameters,
             String groupsJson) throws PolicyPapException {
 
@@ -86,4 +102,12 @@ public class PapDatabaseInitializer {
             throw new PolicyPapException(exp);
         }
     }
+
+    /**
+     * Initializes database with group information.
+     */
+    @PostConstruct
+    public void loadData() throws PolicyPapException {
+        initializePapDatabase(papParameterGroup.getDatabaseProviderParameters(), groupConfigFile);
+    }
 }
diff --git a/main/src/main/resources/application.yaml b/main/src/main/resources/application.yaml
new file mode 100644
index 00000000..f37cc762
--- /dev/null
+++ b/main/src/main/resources/application.yaml
@@ -0,0 +1,82 @@
+spring:
+  security:
+    user:
+      name: policyadmin
+      password: zb!XztG34
+  http:
+    converters:
+      preferred-json-mapper: gson
+
+server:
+  port: 6969
+
+pap:
+  name: PapGroup
+  pdpParameters:
+    heartBeatMs: 120000
+    updateParameters:
+      maxRetryCount: 1
+      maxWaitMs: 30000
+    stateChangeParameters:
+      maxRetryCount: 1
+      maxWaitMs: 30000
+  databaseProviderParameters:
+    name: PolicyProviderParameterGroup
+    implementation: org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl
+    databaseDriver: org.mariadb.jdbc.Driver
+    databaseUrl: jdbc:mariadb://mariadb:3306/policyadmin
+    databaseUser: policy_user
+    databasePassword: policy_user
+    persistenceUnit: PolicyMariaDb
+  savePdpStatisticsInDb: true
+  topicParameterGroup:
+    topicSources:
+    - topic: POLICY-PDP-PAP
+      servers:
+      - message-router
+      topicCommInfrastructure: dmaap
+      fetchTimeout: 15000
+    - topic: POLICY-HEARTBEAT
+      effectiveTopic: POLICY-PDP-PAP
+      consumerGroup: policy-pap
+      servers:
+      - message-router
+      topicCommInfrastructure: dmaap
+      fetchTimeout: 15000
+    topicSinks:
+    - topic: POLICY-PDP-PAP
+      servers:
+      - message-router
+      topicCommInfrastructure: dmaap
+    - topic: POLICY-NOTIFICATION
+      servers:
+      - message-router
+      topicCommInfrastructure: dmaap
+  healthCheckRestClientParameters:
+  - clientName: api
+    hostname: policy-api
+    port: 6969
+    userName: policyadmin
+    password: zb!XztG34
+    useHttps: true
+    basePath: policy/api/v1/healthcheck
+  - clientName: distribution
+    hostname: policy-distribution
+    port: 6969
+    userName: healthcheck
+    password: zb!XztG34
+    useHttps: true
+    basePath: healthcheck
+  - clientName: dmaap
+    hostname: message-router
+    port: 3905
+    useHttps: true
+    basePath: topics
+
+management:
+  endpoints:
+    web:
+      base-path: /
+      exposure:
+        include: health, metrics, prometheus
+      path-mapping.prometheus: metrics
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/PublisherTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/PublisherTest.java
index 2c0479b1..51ced7bd 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/PublisherTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/PublisherTest.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,9 +45,8 @@ import org.onap.policy.models.pdp.concepts.PdpMessage;
 import org.onap.policy.models.pdp.concepts.PdpStateChange;
 import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.PolicyPapException;
+import org.onap.policy.pap.main.parameters.CommonTestData;
 import org.onap.policy.pap.main.parameters.PapParameterGroup;
-import org.onap.policy.pap.main.parameters.PapParameterHandler;
-import org.onap.policy.pap.main.startstop.PapCommandLineArguments;
 
 public class PublisherTest extends Threaded {
 
@@ -85,9 +85,7 @@ public class PublisherTest extends Threaded {
      */
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
-        final String[] papConfigParameters = {"-c", "parameters/PapConfigParameters.json"};
-        final PapCommandLineArguments arguments = new PapCommandLineArguments(papConfigParameters);
-        final PapParameterGroup parameterGroup = new PapParameterHandler().getParameters(arguments);
+        final PapParameterGroup parameterGroup = new CommonTestData().getPapParameterGroup(6969);
         TopicEndpointManager.getManager().shutdown();
 
         TopicEndpointManager.getManager().addTopics(parameterGroup.getTopicParameterGroup());
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/CommonTestData.java b/main/src/test/java/org/onap/policy/pap/main/parameters/CommonTestData.java
index 14000e60..34d72203 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/CommonTestData.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/CommonTestData.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -41,7 +42,7 @@ public class CommonTestData {
 
     private static final Coder coder = new StandardCoder();
 
-    private static int dbNum = 0;
+    public static int dbNum = 0;
 
     public static void newDb() {
         ++dbNum;
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterGroup.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterGroup.java
index 8962f45b..926a1f49 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterGroup.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterGroup.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,7 +28,6 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import org.junit.Test;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
 import org.onap.policy.common.endpoints.parameters.TopicParameterGroup;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.Coder;
@@ -52,17 +52,10 @@ public class TestPapParameterGroup {
     @Test
     public void testPapParameterGroup() {
         final PapParameterGroup papParameters = commonTestData.getPapParameterGroup(1);
-        final RestServerParameters restServerParameters = papParameters.getRestServerParameters();
         final TopicParameterGroup topicParameterGroup = papParameters.getTopicParameterGroup();
         final ValidationResult validationResult = papParameters.validate();
         assertTrue(validationResult.isValid());
         assertEquals(CommonTestData.PAP_GROUP_NAME, papParameters.getName());
-        assertEquals(restServerParameters.getHost(), papParameters.getRestServerParameters().getHost());
-        assertEquals(restServerParameters.getPort(), papParameters.getRestServerParameters().getPort());
-        assertEquals(restServerParameters.getUserName(), papParameters.getRestServerParameters().getUserName());
-        assertEquals(restServerParameters.getPassword(), papParameters.getRestServerParameters().getPassword());
-        assertTrue(papParameters.getRestServerParameters().isHttps());
-        assertFalse(papParameters.getRestServerParameters().isAaf());
         assertEquals(topicParameterGroup.getTopicSinks(), papParameters.getTopicParameterGroup().getTopicSinks());
         assertEquals(topicParameterGroup.getTopicSources(), papParameters.getTopicParameterGroup().getTopicSources());
     }
@@ -96,14 +89,4 @@ public class TestPapParameterGroup {
         assertEquals("PapNewGroup", papParameters.getName());
     }
 
-    @Test
-    public void testApiParameterGroup_EmptyRestServerParameters() throws Exception {
-        String json = commonTestData.getPapParameterGroupAsString(1);
-        json = commonTestData.nullifyField(json, "restServerParameters");
-        final PapParameterGroup papParameters = commonTestData.getPapParameterGroup(0);
-        final ValidationResult validationResult = papParameters.validate();
-        assertFalse(validationResult.isValid());
-        assertThat(validationResult.getResult())
-                .contains("\"RestServerParameters\" INVALID, item has status INVALID");
-    }
 }
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterHandler.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterHandler.java
deleted file mode 100644
index 6b6431fa..00000000
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterHandler.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
- *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
- *  Modifications Copyright (C) 2020-2021 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.pap.main.parameters;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-import java.io.FileNotFoundException;
-import org.junit.Test;
-import org.onap.policy.common.utils.cmd.CommandLineException;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.pap.main.PolicyPapException;
-import org.onap.policy.pap.main.startstop.PapCommandLineArguments;
-
-/**
- * Class to perform unit test of {@link PapParameterHandler}.
- *
- * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
- */
-public class TestPapParameterHandler {
-
-    @Test
-    public void testParameterHandlerNoParameterFile() throws PolicyPapException, CommandLineException {
-        final String[] noArgumentString = { "-c", "parameters/NoParameterFile.json" };
-
-        final PapCommandLineArguments noArguments = new PapCommandLineArguments();
-        noArguments.parse(noArgumentString);
-
-        assertThatThrownBy(() -> new PapParameterHandler().getParameters(noArguments))
-            .hasCauseInstanceOf(CoderException.class)
-            .hasRootCauseInstanceOf(FileNotFoundException.class);
-    }
-
-    @Test
-    public void testParameterHandlerEmptyParameters() throws PolicyPapException, CommandLineException {
-        final String[] emptyArgumentString = { "-c", "parameters/EmptyParameters.json" };
-
-        final PapCommandLineArguments emptyArguments = new PapCommandLineArguments();
-        emptyArguments.parse(emptyArgumentString);
-
-        assertThatThrownBy(() -> new PapParameterHandler().getParameters(emptyArguments))
-            .hasMessageContaining("no parameters found in \"parameters/EmptyParameters.json\"");
-    }
-
-    @Test
-    public void testParameterHandlerInvalidParameters() throws PolicyPapException, CommandLineException {
-        final String[] invalidArgumentString = { "-c", "parameters/InvalidParameters.json" };
-
-        final PapCommandLineArguments invalidArguments = new PapCommandLineArguments();
-        invalidArguments.parse(invalidArgumentString);
-
-        assertThatThrownBy(() -> new PapParameterHandler().getParameters(invalidArguments))
-            .hasMessageStartingWith("error reading parameters from \"parameters/InvalidParameters.json\"")
-            .hasCauseInstanceOf(CoderException.class);
-    }
-
-    @Test
-    public void testParameterHandlerNoParameters() throws PolicyPapException, CommandLineException {
-        final String[] noArgumentString = { "-c", "parameters/NoParameters.json" };
-
-        final PapCommandLineArguments noArguments = new PapCommandLineArguments();
-        noArguments.parse(noArgumentString);
-
-        assertThatThrownBy(() -> new PapParameterHandler().getParameters(noArguments)).hasMessageContaining("is null");
-    }
-
-    @Test
-    public void testParameterHandlerMinumumParameters() throws PolicyPapException, CommandLineException {
-        final String[] minArgumentString = { "-c", "parameters/MinimumParameters.json" };
-
-        final PapCommandLineArguments minArguments = new PapCommandLineArguments();
-        minArguments.parse(minArgumentString);
-
-        final PapParameterGroup parGroup = new PapParameterHandler().getParameters(minArguments);
-        assertEquals(CommonTestData.PAP_GROUP_NAME, parGroup.getName());
-    }
-
-    @Test
-    public void testPapParameterGroup() throws PolicyPapException, CommandLineException {
-        final String[] papConfigParameters = { "-c", "parameters/PapConfigParameters.json" };
-
-        final PapCommandLineArguments arguments = new PapCommandLineArguments();
-        arguments.parse(papConfigParameters);
-
-        final PapParameterGroup parGroup = new PapParameterHandler().getParameters(arguments);
-        assertTrue(arguments.checkSetConfigurationFilePath());
-        assertEquals(CommonTestData.PAP_GROUP_NAME, parGroup.getName());
-    }
-
-    @Test
-    public void testPapParameterGroup_InvalidName() throws PolicyPapException, CommandLineException {
-        final String[] papConfigParameters = { "-c", "parameters/PapConfigParameters_InvalidName.json" };
-
-        final PapCommandLineArguments arguments = new PapCommandLineArguments();
-        arguments.parse(papConfigParameters);
-
-        assertThatThrownBy(() -> new PapParameterHandler().getParameters(arguments))
-            .hasMessageContaining("\"name\" value \" \" INVALID, is blank");
-    }
-
-    @Test
-    public void testPapVersion() throws PolicyPapException, CommandLineException {
-        final String[] papConfigParameters = { "-v" };
-        final PapCommandLineArguments arguments = new PapCommandLineArguments();
-        final String version = arguments.parse(papConfigParameters);
-        assertTrue(version.startsWith("ONAP Policy Framework PAP Service"));
-    }
-
-    @Test
-    public void testPapHelp() throws PolicyPapException, CommandLineException {
-        final String[] papConfigParameters = { "-h" };
-        final PapCommandLineArguments arguments = new PapCommandLineArguments();
-        final String help = arguments.parse(papConfigParameters);
-        assertTrue(help.startsWith("usage:"));
-    }
-
-    @Test
-    public void testPapInvalidOption() throws PolicyPapException, CommandLineException {
-        final String[] papConfigParameters = { "-d" };
-        final PapCommandLineArguments arguments = new PapCommandLineArguments();
-        assertThatThrownBy(() -> arguments.parse(papConfigParameters))
-            .hasMessageStartingWith("invalid command line arguments specified");
-    }
-}
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java b/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
index 98a24a62..9673c295 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +29,6 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.nio.charset.StandardCharsets;
 import java.security.SecureRandom;
-import java.util.Properties;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Function;
 import javax.net.ssl.SSLContext;
@@ -41,35 +41,41 @@ import javax.ws.rs.core.Response;
 import org.glassfish.jersey.client.ClientProperties;
 import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
 import org.junit.After;
-import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.runner.RunWith;
 import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
 import org.onap.policy.common.gson.GsonMessageBodyHandler;
 import org.onap.policy.common.utils.network.NetworkUtil;
 import org.onap.policy.common.utils.security.SelfSignedKeyStore;
 import org.onap.policy.common.utils.services.Registry;
-import org.onap.policy.pap.main.PapConstants;
-import org.onap.policy.pap.main.PolicyPapException;
+import org.onap.policy.pap.main.PolicyPapApplication;
 import org.onap.policy.pap.main.parameters.CommonTestData;
-import org.onap.policy.pap.main.startstop.Main;
 import org.onap.policy.pap.main.startstop.PapActivator;
 import org.powermock.reflect.Whitebox;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
 
 /**
  * Class to perform unit test of {@link PapRestControllerV1}.
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
-public class CommonPapRestServer {
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = PolicyPapApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
+    properties = {"db.initialize=false"})
+@DirtiesContext(classMode = ClassMode.AFTER_CLASS)
+public abstract class CommonPapRestServer {
 
     protected static final String CONFIG_FILE = "src/test/resources/parameters/TestConfigParams.json";
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(CommonPapRestServer.class);
-
     public static final String NOT_ALIVE = "not alive";
     public static final String ALIVE = "alive";
     public static final String SELF = NetworkUtil.getHostname();
@@ -77,59 +83,38 @@ public class CommonPapRestServer {
     public static final String ENDPOINT_PREFIX = "policy/pap/v1/";
 
     private static SelfSignedKeyStore keystore;
-    private static int port;
-    protected static String httpsPrefix;
-
-    private static Main main;
 
     private boolean activatorWasAlive;
+    protected String httpsPrefix;
+
+    @LocalServerPort
+    private int port;
+
+    @Autowired
+    private PapActivator papActivator;
 
     /**
-     * Allocates a port for the server, writes a config file, and then starts Main.
+     * Allocates a new db url, writes a config file.
      *
      * @throws Exception if an error occurs
      */
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
-        setUpBeforeClass(true);
-    }
-
-    /**
-     * Allocates a port for the server, writes a config file, and then starts Main, if
-     * specified.
-     *
-     * @param shouldStart {@code true} if Main should be started, {@code false} otherwise
-     * @throws Exception if an error occurs
-     */
-    public static void setUpBeforeClass(boolean shouldStart) throws Exception {
         keystore = new SelfSignedKeyStore();
-        port = NetworkUtil.allocPort();
-
-        httpsPrefix = "https://localhost:" + port + "/";
-
+        CommonTestData.newDb();
         makeConfigFile();
 
         HttpServletServerFactoryInstance.getServerFactory().destroy();
         TopicEndpointManager.getManager().shutdown();
-
-        CommonTestData.newDb();
-
-        if (shouldStart) {
-            startMain();
-        }
+        Registry.newRegistry();
     }
 
-    /**
-     * Stops Main.
-     */
-    @AfterClass
-    public static void teardownAfterClass() {
-        try {
-            stopMain();
-
-        } catch (PolicyPapException exp) {
-            LOGGER.error("cannot stop main", exp);
-        }
+    @DynamicPropertySource
+    static void registerPgProperties(DynamicPropertyRegistry registry) {
+        registry.add("pap.databaseProviderParameters.databaseUrl", () -> "jdbc:h2:mem:testdb" + CommonTestData.dbNum);
+        registry.add("server.ssl.enabled", () -> "true");
+        registry.add("server.ssl.key-store", () -> keystore.getKeystoreName());
+        registry.add("server.ssl.key-store-password", () -> SelfSignedKeyStore.KEYSTORE_PASSWORD);
     }
 
     /**
@@ -139,12 +124,8 @@ public class CommonPapRestServer {
      */
     @Before
     public void setUp() throws Exception {
-        // restart, if not currently running
-        if (main == null) {
-            startMain();
-        }
-
-        activatorWasAlive = Registry.get(PapConstants.REG_PAP_ACTIVATOR, PapActivator.class).isAlive();
+        httpsPrefix = "https://localhost:" + port + "/";
+        activatorWasAlive = papActivator.isAlive();
     }
 
     /**
@@ -162,10 +143,9 @@ public class CommonPapRestServer {
      * @throws Exception if an error occurs
      */
     protected void testSwagger(final String endpoint) throws Exception {
-        final Invocation.Builder invocationBuilder = sendFqeRequest(httpsPrefix + "swagger.yaml", true);
+        final Invocation.Builder invocationBuilder = sendFqeRequest(httpsPrefix + "v2/api-docs", true);
         final String resp = invocationBuilder.get(String.class);
-
-        assertTrue(resp.contains(ENDPOINT_PREFIX + endpoint + ":"));
+        assertTrue(resp.contains(ENDPOINT_PREFIX + endpoint));
     }
 
     /**
@@ -174,7 +154,7 @@ public class CommonPapRestServer {
      * @throws Exception if an error occurs
      */
     private static void makeConfigFile() throws Exception {
-        String json = new CommonTestData().getPapParameterGroupAsString(port);
+        String json = new CommonTestData().getPapParameterGroupAsString(6969);
 
         File file = new File(CONFIG_FILE);
         file.deleteOnExit();
@@ -185,47 +165,6 @@ public class CommonPapRestServer {
     }
 
     /**
-     * Starts the "Main".
-     *
-     * @throws Exception if an error occurs
-     */
-    protected static void startMain() throws Exception {
-        Registry.newRegistry();
-
-        // make sure port is available
-        if (NetworkUtil.isTcpPortOpen("localhost", port, 1, 1L)) {
-            throw new IllegalStateException("port " + port + " is still in use");
-        }
-
-        final Properties systemProps = System.getProperties();
-        systemProps.put("javax.net.ssl.keyStore", keystore.getKeystoreName());
-        systemProps.put("javax.net.ssl.keyStorePassword", SelfSignedKeyStore.KEYSTORE_PASSWORD);
-        System.setProperties(systemProps);
-
-        final String[] papConfigParameters = { "-c", CONFIG_FILE };
-
-        main = new Main(papConfigParameters);
-
-        if (!NetworkUtil.isTcpPortOpen("localhost", port, 6, 10000L)) {
-            throw new IllegalStateException("server is not listening on port " + port);
-        }
-    }
-
-    /**
-     * Stops the "Main".
-     *
-     * @throws PolicyPapException if an error occurs
-     */
-    private static void stopMain() throws PolicyPapException {
-        if (main != null) {
-            Main main2 = main;
-            main = null;
-
-            main2.shutdown();
-        }
-    }
-
-    /**
      * Mark the activator as dead, but leave its REST server running.
      */
     protected void markActivatorDead() {
@@ -233,8 +172,7 @@ public class CommonPapRestServer {
     }
 
     private void markActivator(boolean wasAlive) {
-        Object manager = Whitebox.getInternalState(Registry.get(PapConstants.REG_PAP_ACTIVATOR, PapActivator.class),
-                        "serviceManager");
+        Object manager = Whitebox.getInternalState(papActivator, "serviceManager");
         AtomicBoolean running = Whitebox.getInternalState(manager, "running");
         running.set(wasAlive);
     }
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/PapRestControllerV1Test.java b/main/src/test/java/org/onap/policy/pap/main/rest/PapRestControllerV1Test.java
index aafcd40f..f8e47ef4 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/PapRestControllerV1Test.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/PapRestControllerV1Test.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,15 +25,8 @@ package org.onap.policy.pap.main.rest;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
-import java.security.Principal;
 import java.util.UUID;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.ResponseBuilder;
 import javax.ws.rs.core.SecurityContext;
 import org.junit.After;
 import org.junit.Before;
@@ -40,7 +34,8 @@ import org.junit.Test;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
-import org.mockito.internal.stubbing.answers.Returns;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.ResponseEntity.BodyBuilder;
 
 public class PapRestControllerV1Test {
 
@@ -51,11 +46,11 @@ public class PapRestControllerV1Test {
     PapRestControllerV1 mockController;
 
     private AutoCloseable closeable;
-    private ResponseBuilder bldr;
+    private BodyBuilder bldr;
 
     @Before
     public void setUp() {
-        bldr = Response.status(Response.Status.OK);
+        bldr = ResponseEntity.ok();
         closeable = MockitoAnnotations.openMocks(this);
     }
 
@@ -65,41 +60,28 @@ public class PapRestControllerV1Test {
     }
 
     @Test
-    public void testProduces() {
-        Produces annotation = PapRestControllerV1.class.getAnnotation(Produces.class);
-        assertNotNull(annotation);
-        assertThat(annotation.value()).contains(MediaType.APPLICATION_JSON)
-                        .contains(PapRestControllerV1.APPLICATION_YAML);
-    }
-
-    @Test
     public void testAddVersionControlHeaders() {
-        Response resp = mockController.addVersionControlHeaders(bldr).build();
-        assertEquals("0", resp.getHeaderString(PapRestControllerV1.VERSION_MINOR_NAME));
-        assertEquals("0", resp.getHeaderString(PapRestControllerV1.VERSION_PATCH_NAME));
-        assertEquals("1.0.0", resp.getHeaderString(PapRestControllerV1.VERSION_LATEST_NAME));
+        ResponseEntity<Object> resp = mockController.addVersionControlHeaders(bldr).build();
+        assertEquals("0", resp.getHeaders().get(PapRestControllerV1.VERSION_MINOR_NAME).get(0));
+        assertEquals("0", resp.getHeaders().get(PapRestControllerV1.VERSION_PATCH_NAME).get(0));
+        assertEquals("1.0.0", resp.getHeaders().get(PapRestControllerV1.VERSION_LATEST_NAME).get(0));
     }
 
     @Test
     public void testAddLoggingHeaders_Null() {
-        Response resp = mockController.addLoggingHeaders(bldr, null).build();
-        assertNotNull(resp.getHeaderString(PapRestControllerV1.REQUEST_ID_NAME));
+        ResponseEntity<Object> resp = mockController.addLoggingHeaders(bldr, null).build();
+        assertNotNull(resp.getHeaders().get(PapRestControllerV1.REQUEST_ID_NAME));
     }
 
     @Test
     public void testAddLoggingHeaders_NonNull() {
         UUID uuid = UUID.randomUUID();
-        Response resp = mockController.addLoggingHeaders(bldr, uuid).build();
-        assertEquals(uuid.toString(), resp.getHeaderString(PapRestControllerV1.REQUEST_ID_NAME));
+        ResponseEntity<Object> resp = mockController.addLoggingHeaders(bldr, uuid).build();
+        assertEquals(uuid.toString(), resp.getHeaders().get(PapRestControllerV1.REQUEST_ID_NAME).get(0));
     }
 
     @Test
     public void testGetPrincipal() {
         assertThat(new PapRestControllerV1().getPrincipal()).isEmpty();
-
-        Principal mockUser = mock(Principal.class, new Returns("myFakeUser"));
-        when(mockSecurityContext.getUserPrincipal()).thenReturn(mockUser);
-
-        assertEquals("myFakeUser", mockController.getPrincipal());
     }
 }
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateProvider.java
index f64a77b3..9a0f5702 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateProvider.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019-2021 Nordix Foundation.
  * Modifications Copyright (C) 2021 AT&T Intellectual Property.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -78,6 +79,7 @@ public class TestPdpGroupCreateOrUpdateProvider extends ProviderSuper {
         when(dao.getPolicyTypeList("typeA", "100.2.3")).thenReturn(Arrays.asList(loadPolicyType("daoPolicyType.json")));
 
         prov = new PdpGroupCreateOrUpdateProvider();
+        prov.initialize();
     }
 
     @Test
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteProvider.java
index 4041de90..3e9eda8a 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteProvider.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2020-2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -91,7 +92,6 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
         fullIdent = new ToscaConceptIdentifierOptVersion(ident.getName(), ident.getVersion());
 
         prov = new MyProvider();
-
         updater = prov.makeUpdater(session, policy1, fullIdent);
     }
 
@@ -169,7 +169,9 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
         when(dao.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group));
         when(dao.getFilteredPolicyList(any())).thenReturn(Arrays.asList(policy1));
 
-        new PdpGroupDeleteProvider().undeploy(fullIdent, DEFAULT_USER);
+        PdpGroupDeleteProvider deleteProvider = new PdpGroupDeleteProvider();
+        deleteProvider.initialize();
+        deleteProvider.undeploy(fullIdent, DEFAULT_USER);
 
         // should have updated the old group
         List<PdpGroup> updates = getGroupUpdates();
@@ -279,6 +281,9 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
     }
 
     private class MyProvider extends PdpGroupDeleteProvider {
+        private MyProvider() {
+            super.initialize();
+        }
 
         @Override
         protected <T> void process(T request, BiConsumerWithEx<SessionData, T> processor) throws PfModelException {
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployProvider.java
index d0039c6d..40e37e4f 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployProvider.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -92,6 +93,7 @@ public class TestPdpGroupDeployProvider extends ProviderSuper {
         when(dao.getPolicyTypeList("typeA", "100.2.3")).thenReturn(Arrays.asList(loadPolicyType("daoPolicyType.json")));
 
         prov = new PdpGroupDeployProvider();
+        prov.initialize();
     }
 
     /**
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckProvider.java
index a5f974be..b236c56b 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckProvider.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
- *  Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
+ *  Modifications Copyright (C) 2020-2021 Bell Canada. All rights reserved.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -29,8 +29,6 @@ import static org.mockito.Mockito.when;
 
 import java.io.File;
 import java.util.List;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
 import org.apache.commons.lang3.tuple.Pair;
 import org.junit.Before;
 import org.junit.Test;
@@ -50,6 +48,7 @@ import org.onap.policy.models.pdp.concepts.Pdps;
 import org.onap.policy.models.provider.PolicyModelsProvider;
 import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
+import org.springframework.http.HttpStatus;
 
 /**
  * Class to perform unit test of {@link PdpGroupHealthCheckProvider}.
@@ -85,8 +84,8 @@ public class TestPdpGroupHealthCheckProvider {
     @Test
     public void testFetchPdpGroupHealthStatus() throws Exception {
         final PdpGroupHealthCheckProvider provider = new PdpGroupHealthCheckProvider();
-        final Pair<Status, Pdps> pair = provider.fetchPdpGroupHealthStatus();
-        assertEquals(Response.Status.OK, pair.getLeft());
+        final Pair<HttpStatus, Pdps> pair = provider.fetchPdpGroupHealthStatus();
+        assertEquals(HttpStatus.OK, pair.getLeft());
         verifyPdps(pair.getRight().getPdpList(), groups);
     }
 
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditProvider.java
index 7d42912f..51bea02a 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditProvider.java
@@ -53,6 +53,7 @@ public class TestPolicyAuditProvider extends ProviderSuper {
 
         super.setUp();
         provider = new PolicyAuditProvider();
+        provider.initialize();
     }
 
     @Test
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckControllerV1.java
index b49d7704..e07d35c1 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckControllerV1.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019-2020 Nordix Foundation.
  *  Modifications Copyright (C) 2020-2021 AT&T Inc.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,20 +25,16 @@ package org.onap.policy.pap.main.rest;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import javax.ws.rs.client.Invocation;
 import javax.ws.rs.core.GenericType;
 import javax.ws.rs.core.Response;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
 import org.junit.Test;
 import org.onap.policy.common.endpoints.parameters.RestClientParameters;
-import org.onap.policy.common.parameters.ParameterService;
 import org.onap.policy.pap.main.parameters.PapParameterGroup;
-import org.powermock.reflect.Whitebox;
+import org.springframework.beans.factory.annotation.Autowired;
 
 /**
  * Class to perform unit test of {@link PolicyComponentsHealthCheckControllerV1}.
@@ -47,29 +44,10 @@ import org.powermock.reflect.Whitebox;
 public class TestPolicyComponentsHealthCheckControllerV1 extends CommonPapRestServer {
 
     private static final String ENDPOINT = "components/healthcheck";
-    private static List<RestClientParameters> savedRestClientParameters;
+    private List<RestClientParameters> savedRestClientParameters;
 
-    /**
-     * Set up for the test class.
-     */
-    @BeforeClass
-    public static void setUpClass() {
-        // To skip calling to the remote components
-        PapParameterGroup papParameterGroup = ParameterService.get("PapGroup");
-        List<RestClientParameters> lo = Whitebox.getInternalState(papParameterGroup, "healthCheckRestClientParameters");
-        savedRestClientParameters = new ArrayList<>(lo);
-        lo.clear();
-    }
-
-    /**
-     * Tear down for the test class.
-     */
-    @AfterClass
-    public static void tearDownClass() {
-        PapParameterGroup papParameterGroup = ParameterService.get("PapGroup");
-        List<RestClientParameters> lo = Whitebox.getInternalState(papParameterGroup, "healthCheckRestClientParameters");
-        lo.addAll(savedRestClientParameters);
-    }
+    @Autowired
+    private PapParameterGroup papParameterGroup;
 
     @Test
     public void testSwagger() throws Exception {
@@ -79,6 +57,10 @@ public class TestPolicyComponentsHealthCheckControllerV1 extends CommonPapRestSe
     @Test
     @SuppressWarnings("unchecked")
     public void testPolicyComponentsHealthCheck() throws Exception {
+        // take out the other components for healthcheck
+        savedRestClientParameters = papParameterGroup.getHealthCheckRestClientParameters();
+        papParameterGroup.setHealthCheckRestClientParameters(null);
+
         Invocation.Builder invocationBuilder = sendRequest(ENDPOINT);
         Response response = invocationBuilder.get();
         assertEquals(Response.Status.OK.getStatusCode(), response.getStatus());
@@ -86,5 +68,8 @@ public class TestPolicyComponentsHealthCheckControllerV1 extends CommonPapRestSe
         result = (Map<String, Object>) response.readEntity(GenericType.forInstance(result));
         // No PDP configured, healthy is false
         assertFalse((Boolean) result.get("healthy"));
+
+        // put back the other components
+        papParameterGroup.setHealthCheckRestClientParameters(savedRestClientParameters);
     }
 }
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckProvider.java
index f27a8d32..13deef40 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckProvider.java
@@ -30,11 +30,11 @@ import static org.mockito.Mockito.when;
 
 import java.io.File;
 import java.net.HttpURLConnection;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
 import org.apache.commons.lang3.tuple.Pair;
 import org.junit.After;
 import org.junit.Before;
@@ -44,7 +44,6 @@ import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.onap.policy.common.endpoints.http.client.HttpClient;
 import org.onap.policy.common.endpoints.http.client.HttpClientFactory;
-import org.onap.policy.common.endpoints.parameters.RestClientParameters;
 import org.onap.policy.common.endpoints.report.HealthCheckReport;
 import org.onap.policy.common.parameters.ParameterService;
 import org.onap.policy.common.utils.coder.Coder;
@@ -62,6 +61,8 @@ import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
 import org.onap.policy.pap.main.parameters.CommonTestData;
 import org.onap.policy.pap.main.parameters.PapParameterGroup;
 import org.onap.policy.pap.main.startstop.PapActivator;
+import org.springframework.http.HttpStatus;
+import org.springframework.test.util.ReflectionTestUtils;
 
 @RunWith(MockitoJUnitRunner.class)
 public class TestPolicyComponentsHealthCheckProvider {
@@ -105,6 +106,8 @@ public class TestPolicyComponentsHealthCheckProvider {
 
     private PapParameterGroup savedPapParameterGroup;
 
+    private PolicyComponentsHealthCheckProvider provider;
+
     /**
      * Configures mocks and objects.
      *
@@ -145,15 +148,15 @@ public class TestPolicyComponentsHealthCheckProvider {
         when(response3.getStatus()).thenReturn(HttpURLConnection.HTTP_OK);
         when(response3.readEntity(DmaapGetTopicResponse.class)).thenReturn(createDmaapResponse());
         when(client3.get()).thenReturn(response3);
-
+        List<HttpClient> clients = new ArrayList<>();
+        clients.add(client1);
+        clients.add(client2);
+        clients.add(client3);
         PapParameterGroup papParameterGroup = ParameterService.get(PAP_GROUP_PARAMS_NAME);
-        List<RestClientParameters> params = papParameterGroup.getHealthCheckRestClientParameters();
-        when(clientFactory.build(params.get(0))).thenReturn(client1);
-        when(clientFactory.build(params.get(1))).thenReturn(client2);
-        when(clientFactory.build(params.get(2))).thenReturn(client3);
-
-        PolicyComponentsHealthCheckProvider.initializeClientHealthCheckExecutorService(papParameterGroup,
-            clientFactory);
+        provider = new PolicyComponentsHealthCheckProvider();
+        ReflectionTestUtils.setField(provider, "papParameterGroup", papParameterGroup);
+        provider.initializeClientHealthCheckExecutorService();
+        ReflectionTestUtils.setField(provider, "clients", clients);
     }
 
     /**
@@ -166,15 +169,14 @@ public class TestPolicyComponentsHealthCheckProvider {
         } else {
             ParameterService.deregister(PAP_GROUP_PARAMS_NAME);
         }
-        PolicyComponentsHealthCheckProvider.cleanup();
+        provider.cleanup();
     }
 
 
     @Test
     public void testFetchPolicyComponentsHealthStatus_allHealthy() {
-        PolicyComponentsHealthCheckProvider provider = new PolicyComponentsHealthCheckProvider();
-        Pair<Status, Map<String, Object>> ret = provider.fetchPolicyComponentsHealthStatus();
-        assertEquals(Response.Status.OK, ret.getLeft());
+        Pair<HttpStatus, Map<String, Object>> ret = provider.fetchPolicyComponentsHealthStatus();
+        assertEquals(HttpStatus.OK, ret.getLeft());
         assertTrue((Boolean) ret.getRight().get(HEALTHY));
     }
 
@@ -239,7 +241,7 @@ public class TestPolicyComponentsHealthCheckProvider {
     }
 
     private Map<String, Object> callFetchPolicyComponentsHealthStatus() {
-        PolicyComponentsHealthCheckProvider provider = new PolicyComponentsHealthCheckProvider();
+
         return provider.fetchPolicyComponentsHealthStatus().getRight();
     }
 
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
index d3ff4ea6..8f09b7e3 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
@@ -77,6 +77,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
         super.setUp();
 
         prov = new PolicyStatusProvider();
+        prov.initialize();
     }
 
     @Test
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestProviderBase.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestProviderBase.java
index 0ca2d4fa..5046181c 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestProviderBase.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestProviderBase.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -90,6 +91,7 @@ public class TestProviderBase extends ProviderSuper {
         when(dao.getFilteredPolicyList(any())).thenReturn(loadPolicies("daoPolicyList.json"));
 
         prov = new MyProvider();
+        prov.initialize();
     }
 
     @Test
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java
index 0f668bef..e51aa776 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2019-2020 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,7 +51,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.yaml.snakeyaml.Yaml;
 
-public class End2EndBase extends CommonPapRestServer {
+public abstract class End2EndBase extends CommonPapRestServer {
     private static final Logger logger = LoggerFactory.getLogger(End2EndBase.class);
 
     private static final Coder coder = new StandardCoder();
@@ -79,7 +80,7 @@ public class End2EndBase extends CommonPapRestServer {
      */
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
-        CommonPapRestServer.setUpBeforeClass(true);
+        CommonPapRestServer.setUpBeforeClass();
 
         final PapParameterGroup params = new StandardCoder().decode(new File(CONFIG_FILE), PapParameterGroup.class);
         daoFactory = new PolicyModelsProviderFactoryWrapper(params.getDatabaseProviderParameters());
@@ -103,7 +104,6 @@ public class End2EndBase extends CommonPapRestServer {
             logger.warn("failed to close DAO factory", e);
         }
 
-        CommonPapRestServer.teardownAfterClass();
     }
 
     /**
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyAuditTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyAuditTest.java
index d010f1db..d98a4ba3 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyAuditTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyAuditTest.java
@@ -50,6 +50,9 @@ public class PolicyAuditTest extends End2EndBase {
     private static final String QUERY_PARAMS_INVALID = "?recordCount=5&startTime=2021-07-25T01:25:15";
     private static final String QUERY_PARAMS_CORRECT = "?recordCount=5&startTime=1627219515&endTime=1627478715";
     private static final String QUERY_PARAMS_INCORRECT = "?recordCount=5&startTime=1627478715&endTime=1627565115";
+    private static int NOT_FOUND_STATUS_CODE = 404;
+    private static int BAD_REQUEST_STATUS_CODE = 400;
+    private static final String BAD_REQUEST_MSG = "NumberFormatException For";
 
     @Override
     @Before
@@ -97,7 +100,7 @@ public class PolicyAuditTest extends End2EndBase {
 
         // try with invalid date format, should result in error
         uri = POLICY_AUDIT_ENDPOINT + QUERY_PARAMS_INVALID;
-        sendAndValidateError(uri, Response.Status.NOT_FOUND.toString());
+        sendAndValidateError(uri, BAD_REQUEST_MSG, BAD_REQUEST_STATUS_CODE);
     }
 
     @Test
@@ -114,11 +117,11 @@ public class PolicyAuditTest extends End2EndBase {
 
         // try with incorrect dates in query, should result in error
         uri = POLICY_AUDIT_ENDPOINT + URI_SEPERATOR + TEST_GROUP + QUERY_PARAMS_INCORRECT;
-        sendAndValidateError(uri, PolicyAuditControllerV1.NO_AUDIT_RECORD_FOUND);
+        sendAndValidateError(uri, PolicyAuditControllerV1.NO_AUDIT_RECORD_FOUND, NOT_FOUND_STATUS_CODE);
 
         // try with invalid date format, should result in error
         uri = POLICY_AUDIT_ENDPOINT + URI_SEPERATOR + TEST_GROUP + QUERY_PARAMS_INVALID;
-        sendAndValidateError(uri, Response.Status.NOT_FOUND.toString());
+        sendAndValidateError(uri, BAD_REQUEST_MSG, BAD_REQUEST_STATUS_CODE);
     }
 
     @Test
@@ -138,12 +141,12 @@ public class PolicyAuditTest extends End2EndBase {
         // try with incorrect dates in query, should result in error
         uri = POLICY_AUDIT_ENDPOINT + URI_SEPERATOR + TEST_GROUP + URI_SEPERATOR + POLICY_A.getName()
                         + URI_SEPERATOR + POLICY_A.getVersion() + QUERY_PARAMS_INCORRECT;
-        sendAndValidateError(uri, PolicyAuditControllerV1.NO_AUDIT_RECORD_FOUND);
+        sendAndValidateError(uri, PolicyAuditControllerV1.NO_AUDIT_RECORD_FOUND, NOT_FOUND_STATUS_CODE);
 
         // try with invalid date format, should result in error
         uri = POLICY_AUDIT_ENDPOINT + URI_SEPERATOR + TEST_GROUP + URI_SEPERATOR + POLICY_A.getName() + URI_SEPERATOR
                         + POLICY_A.getVersion() + QUERY_PARAMS_INVALID;
-        sendAndValidateError(uri, Response.Status.NOT_FOUND.toString());
+        sendAndValidateError(uri, BAD_REQUEST_MSG, BAD_REQUEST_STATUS_CODE);
     }
 
     @Test
@@ -162,12 +165,12 @@ public class PolicyAuditTest extends End2EndBase {
         // try with incorrect dates in query, should result in error
         uri = POLICY_AUDIT_ENDPOINT + URI_SEPERATOR + POLICY_A.getName() + URI_SEPERATOR + POLICY_A.getVersion()
                         + QUERY_PARAMS_INCORRECT;
-        sendAndValidateError(uri, PolicyAuditControllerV1.NO_AUDIT_RECORD_FOUND);
+        sendAndValidateError(uri, PolicyAuditControllerV1.NO_AUDIT_RECORD_FOUND, NOT_FOUND_STATUS_CODE);
 
         // try with invalid date format, should result in error
         uri = POLICY_AUDIT_ENDPOINT + URI_SEPERATOR + POLICY_A.getName() + URI_SEPERATOR
                         + POLICY_A.getVersion() + QUERY_PARAMS_INVALID;
-        sendAndValidateError(uri, Response.Status.NOT_FOUND.toString());
+        sendAndValidateError(uri, BAD_REQUEST_MSG, BAD_REQUEST_STATUS_CODE);
     }
 
     private void sendAndValidateSuccess(String uri, int count) throws Exception {
@@ -193,10 +196,10 @@ public class PolicyAuditTest extends End2EndBase {
         }
     }
 
-    private void sendAndValidateError(String uri, String errorMessage) throws Exception {
+    private void sendAndValidateError(String uri, String errorMessage, int statusCode) throws Exception {
         Invocation.Builder invocationBuilder = sendRequest(uri);
         Response rawresp = invocationBuilder.get();
-        assertThat(rawresp.getStatus()).isEqualTo(Response.Status.NOT_FOUND.getStatusCode());
+        assertThat(rawresp.getStatus()).isEqualTo(statusCode);
         String resp = rawresp.readEntity(String.class);
         assertThat(resp).contains(errorMessage);
     }
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/StatisticsTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/StatisticsTest.java
index 0f1b560f..1331e458 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/StatisticsTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/StatisticsTest.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2020-2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,8 +39,10 @@ import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pdp.concepts.PdpStatistics;
 import org.onap.policy.models.provider.PolicyModelsProvider;
+import org.onap.policy.models.provider.PolicyModelsProviderFactory;
 import org.onap.policy.pap.main.PapConstants;
-import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
+import org.onap.policy.pap.main.parameters.CommonTestData;
+import org.onap.policy.pap.main.parameters.PapParameterGroup;
 import org.onap.policy.pap.main.rest.PapStatisticsManager;
 import org.onap.policy.pap.main.rest.StatisticsReport;
 
@@ -57,10 +60,10 @@ public class StatisticsTest extends End2EndBase {
     public static void setUpBeforeClass() throws Exception {
         End2EndBase.setUpBeforeClass();
 
-        PolicyModelsProviderFactoryWrapper modelProviderWrapper =
-                Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
-
-        try (PolicyModelsProvider databaseProvider = modelProviderWrapper.create()) {
+        PolicyModelsProviderFactory modelProviderWrapper = new PolicyModelsProviderFactory();
+        PapParameterGroup parameterGroup = new CommonTestData().getPapParameterGroup(6969);
+        try (PolicyModelsProvider databaseProvider =
+            modelProviderWrapper.createPolicyModelsProvider(parameterGroup.getDatabaseProviderParameters())) {
             PdpStatistics pdpStatisticsRecord = new PdpStatistics();
             pdpStatisticsRecord.setPdpGroupName("defaultGroup");
             pdpStatisticsRecord.setPdpSubGroupName("apex");
diff --git a/main/src/test/java/org/onap/policy/pap/main/startstop/TestMain.java b/main/src/test/java/org/onap/policy/pap/main/startstop/TestMain.java
deleted file mode 100644
index a83be4fb..00000000
--- a/main/src/test/java/org/onap/policy/pap/main/startstop/TestMain.java
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * Copyright (C) 2019-2020 Nordix Foundation.
- * Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
- * Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.pap.main.startstop;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.nio.charset.StandardCharsets;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
-import org.onap.policy.common.utils.network.NetworkUtil;
-import org.onap.policy.common.utils.resources.MessageConstants;
-import org.onap.policy.common.utils.services.Registry;
-import org.onap.policy.pap.main.PapConstants;
-import org.onap.policy.pap.main.PolicyPapRuntimeException;
-import org.onap.policy.pap.main.parameters.CommonTestData;
-
-/**
- * Class to perform unit test of {@link Main}}.
- *
- * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
- */
-public class TestMain {
-    private static final String CONFIG_FILE = "src/test/resources/parameters/TestConfigParams.json";
-
-    private static int port;
-
-    private Main main;
-
-    /**
-     * Allocates a new DB name, server port, and creates a config file.
-     */
-    @BeforeClass
-    public static void setUpBeforeClass() throws Exception {
-        CommonTestData.newDb();
-        port = NetworkUtil.allocPort();
-
-        String json = new CommonTestData().getPapParameterGroupAsString(port);
-
-        File file = new File(CONFIG_FILE);
-        file.deleteOnExit();
-
-        try (FileOutputStream output = new FileOutputStream(file)) {
-            output.write(json.getBytes(StandardCharsets.UTF_8));
-        }
-    }
-
-    /**
-     * Set up.
-     */
-    @Before
-    public void setUp() throws Exception {
-        Registry.newRegistry();
-        HttpServletServerFactoryInstance.getServerFactory().destroy();
-    }
-
-    /**
-     * Shuts "main" down.
-     *
-     */
-    @After
-    public void tearDown() {
-        // shut down activator
-        PapActivator activator = Registry.getOrDefault(PapConstants.REG_PAP_ACTIVATOR, PapActivator.class, null);
-        if (activator != null && activator.isAlive()) {
-            activator.stop();
-        }
-    }
-
-    private void testMainBody(String[] papConfigParameters) {
-        main = new Main(papConfigParameters);
-        assertTrue(main.getParameters().isValid());
-        assertEquals(CommonTestData.PAP_GROUP_NAME, main.getParameters().getName());
-
-        // ensure items were added to the registry
-        assertNotNull(Registry.get(PapConstants.REG_PAP_ACTIVATOR, PapActivator.class));
-        main.shutdown();
-    }
-
-    @Test
-    public void testMain() {
-        final String[] papConfigParameters = {"-c", CONFIG_FILE};
-        testMainBody(papConfigParameters);
-    }
-
-    @Test
-    public void testMainCustomGroup() {
-        final String[] papConfigParameters = {
-            "-c",
-            CONFIG_FILE,
-            "-g",
-            "parameters/PapDbGroup1.json"
-        };
-        testMainBody(papConfigParameters);
-    }
-
-    @Test
-    public void testMainPapDb() {
-        final String[] papConfigParameters = {
-            "-c",
-            CONFIG_FILE,
-            "-g",
-            "PapDb.json"
-        };
-        testMainBody(papConfigParameters);
-    }
-
-    @Test
-    public void testMain_NoArguments() {
-        final String[] papConfigParameters = {};
-        assertThatThrownBy(() -> new Main(papConfigParameters)).isInstanceOf(PolicyPapRuntimeException.class)
-            .hasMessage(String.format(MessageConstants.START_FAILURE_MSG, MessageConstants.POLICY_PAP));
-    }
-
-    @Test
-    public void testMain_InvalidArguments() {
-        final String[] papConfigParameters = {CONFIG_FILE};
-        assertThatThrownBy(() -> new Main(papConfigParameters)).isInstanceOf(PolicyPapRuntimeException.class)
-            .hasMessage(String.format(MessageConstants.START_FAILURE_MSG, MessageConstants.POLICY_PAP));
-    }
-
-    @Test
-    public void testMain_Help() {
-        final String[] papConfigParameters = {"-h"};
-        main = new Main(papConfigParameters);
-        assertNull(main.getParameters());
-    }
-
-    @Test
-    public void testMain_InvalidParameters() {
-        final String[] papConfigParameters = {"-c", "parameters/PapConfigParameters_InvalidName.json"};
-        assertThatThrownBy(() -> new Main(papConfigParameters)).isInstanceOf(PolicyPapRuntimeException.class)
-            .hasMessage(String.format(MessageConstants.START_FAILURE_MSG, MessageConstants.POLICY_PAP));
-    }
-}
diff --git a/main/src/test/java/org/onap/policy/pap/main/startstop/TestPapActivator.java b/main/src/test/java/org/onap/policy/pap/main/startstop/TestPapActivator.java
index 63ca52a8..1a1415a5 100644
--- a/main/src/test/java/org/onap/policy/pap/main/startstop/TestPapActivator.java
+++ b/main/src/test/java/org/onap/policy/pap/main/startstop/TestPapActivator.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
+ *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,7 +45,6 @@ import org.onap.policy.pap.main.comm.PdpModifyRequestMap;
 import org.onap.policy.pap.main.notification.PolicyNotifier;
 import org.onap.policy.pap.main.parameters.CommonTestData;
 import org.onap.policy.pap.main.parameters.PapParameterGroup;
-import org.onap.policy.pap.main.parameters.PapParameterHandler;
 import org.onap.policy.pap.main.rest.PapStatisticsManager;
 
 
@@ -89,9 +89,7 @@ public class TestPapActivator {
             output.write(json.getBytes(StandardCharsets.UTF_8));
         }
 
-        final String[] papConfigParameters = {"-c", CONFIG_FILE};
-        final PapCommandLineArguments arguments = new PapCommandLineArguments(papConfigParameters);
-        final PapParameterGroup parGroup = new PapParameterHandler().getParameters(arguments);
+        final PapParameterGroup parGroup = new CommonTestData().getPapParameterGroup(6969);
 
         activator = new PapActivator(parGroup);
     }
diff --git a/main/src/test/resources/config/application.yaml b/main/src/test/resources/config/application.yaml
new file mode 100644
index 00000000..1444a7d2
--- /dev/null
+++ b/main/src/test/resources/config/application.yaml
@@ -0,0 +1,81 @@
+spring:
+  security:
+    user:
+      name: policyadmin
+      password: zb!XztG34
+  http:
+    converters:
+      preferred-json-mapper: gson
+
+server:
+  port: 6969
+
+pap:
+  name: "PapGroup"
+  pdpParameters:
+    updateParameters:
+      maxRetryCount: 1
+      maxWaitMs: 3000
+    stateChangeParameters:
+      maxRetryCount: 1
+      maxWaitMs: 3000
+    heartBeatMs: 6000
+    maxMessageAgeMs: 20000
+  databaseProviderParameters:
+    name: PolicyModelsProviderParameters
+    implementation: org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl
+    databaseDriver: org.h2.Driver
+    databaseUrl: jdbc:h2:mem:testdb0
+    databaseUser: policy
+    databasePassword: UDAxaWNZ
+    persistenceUnit: ToscaConceptTest
+  savePdpStatisticsInDb: true
+  topicParameterGroup:
+    topicSources:
+    - topic: POLICY-PDP-PAP
+      servers:
+      - message-router
+      topicCommInfrastructure: noop
+    - topic: POLICY-HEARTBEAT
+      effectiveTopic: POLICY-PDP-PAP
+      consumerGroup: policy-pap
+      servers:
+      - message-router
+      topicCommInfrastructure: noop
+    topicSinks:
+    - topic: POLICY-PDP-PAP
+      servers:
+      - message-router
+      topicCommInfrastructure: noop
+    - topic: POLICY-NOTIFICATION
+      servers:
+      - message-router
+      topicCommInfrastructure: noop
+  healthCheckRestClientParameters:
+  - clientName: api
+    hostname: policy-api
+    port: 6969
+    userName: policyadmin
+    password: zb!XztG34
+    useHttps: true
+    basePath: policy/api/v1/healthcheck
+  - clientName: distribution
+    hostname: policy-distribution
+    port: 6969
+    userName: healthcheck
+    password: zb!XztG34
+    useHttps: true
+    basePath: healthcheck
+  - clientName: dmaap
+    hostname: message-router
+    port: 3905
+    useHttps: true
+    basePath: topics
+
+management:
+  endpoints:
+    web:
+      base-path: /
+      exposure:
+        include: health, metrics, prometheus
+      path-mapping.prometheus: metrics
diff --git a/packages/policy-pap-docker/pom.xml b/packages/policy-pap-docker/pom.xml
index 6e6a66e3..2de149e0 100644
--- a/packages/policy-pap-docker/pom.xml
+++ b/packages/policy-pap-docker/pom.xml
@@ -1,7 +1,7 @@
 <!--
   ============LICENSE_START=======================================================
    Copyright (C) 2019 Nordix Foundation.
-   Modifications Copyright (C) 2020 Bell Canada.
+   Modifications Copyright (C) 2020-2021 Bell Canada.
    Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
@@ -96,6 +96,12 @@
                                                 <outputDirectory>/lib</outputDirectory>
                                                 <outputFileNameMapping>policy-pap.tar.gz</outputFileNameMapping>
                                             </dependencySet>
+                                            <dependencySet>
+                                                <includes>
+                                                    <include>org.onap.policy.pap:pap-main</include>
+                                                </includes>
+                                                <outputFileNameMapping>pap.jar</outputFileNameMapping>
+                                            </dependencySet>
                                         </dependencySets>
                                     </inline>
                                 </assembly>
diff --git a/packages/policy-pap-docker/src/main/docker/Dockerfile b/packages/policy-pap-docker/src/main/docker/Dockerfile
index 337352fe..36205643 100644
--- a/packages/policy-pap-docker/src/main/docker/Dockerfile
+++ b/packages/policy-pap-docker/src/main/docker/Dockerfile
@@ -2,6 +2,7 @@
 # Dockerfile
 # ============LICENSE_START=======================================================
 #  Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
+#  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
 # ================================================================================
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -31,14 +32,17 @@ ENV POLICY_HOME=$POLICY_HOME/pap
 RUN mkdir -p $POLICY_HOME $POLICY_LOGS $POLICY_HOME/bin && \
     chown  -R policy:policy $POLICY_HOME $POLICY_LOGS && \
     mkdir /packages
-COPY /maven/* /packages
+COPY /maven/lib/policy-pap.tar.gz /packages
+
 RUN tar xvfz /packages/policy-pap.tar.gz --directory $POLICY_HOME \
     && rm /packages/policy-pap.tar.gz
 
 WORKDIR $POLICY_HOME
 COPY policy-pap.sh  bin/.
+COPY /maven/pap.jar /app
+
 
-RUN chown -R policy:policy * && chmod 755 bin/*.sh
+RUN chown -R policy:policy * && chmod 755 bin/*.sh && chown -R policy:policy /app
 
 USER policy
 WORKDIR $POLICY_HOME/bin
diff --git a/packages/policy-pap-docker/src/main/docker/policy-pap.sh b/packages/policy-pap-docker/src/main/docker/policy-pap.sh
index 26e69503..a276e34f 100644
--- a/packages/policy-pap-docker/src/main/docker/policy-pap.sh
+++ b/packages/policy-pap-docker/src/main/docker/policy-pap.sh
@@ -3,6 +3,7 @@
 # ============LICENSE_START=======================================================
 #  Copyright (C) 2019-2020 Nordix Foundation.
 #  Modifications Copyright (C) 2019-2021 AT&T Intellectual Property.
+#  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
 # ================================================================================
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -32,8 +33,10 @@ else
     CONFIG_FILE=${CONFIG_FILE}
 fi
 
+touch /app/pap.jar
+
 if [ -z "$CONFIG_FILE" ]; then
-    CONFIG_FILE="${POLICY_HOME}/etc/defaultConfig.json"
+    CONFIG_FILE="${POLICY_HOME}/etc/papParameters.yaml"
 fi
 
 echo "Policy pap config file: $CONFIG_FILE"
@@ -59,14 +62,15 @@ fi
 # to load a default group.
 
 if [ -f "${POLICY_HOME}/etc/mounted/groups.json" ]; then
-    CUSTOM_GROUPS="-g ${POLICY_HOME}/etc/mounted/groups.json"
+    CUSTOM_GROUPS="${POLICY_HOME}/etc/mounted/groups.json"
 fi
 
-$JAVA_HOME/bin/java -cp "${POLICY_HOME}/etc:${POLICY_HOME}/lib/*" \
+$JAVA_HOME/bin/java \
     -Dlogback.configurationFile="${POLICY_HOME}/etc/logback.xml" \
-    -Djavax.net.ssl.keyStore="${KEYSTORE}" \
-    -Djavax.net.ssl.keyStorePassword="${KEYSTORE_PASSWD}" \
+    -Dserver.ssl.key-store="${KEYSTORE}" \
+    -Dserver.ssl.key-store-password="${KEYSTORE_PASSWD}" \
     -Djavax.net.ssl.trustStore="${TRUSTSTORE}" \
     -Djavax.net.ssl.trustStorePassword="${TRUSTSTORE_PASSWD}" \
-    org.onap.policy.pap.main.startstop.Main \
-    -c "${CONFIG_FILE}" ${CUSTOM_GROUPS}
+    -jar /app/pap.jar \
+    --spring.config.location="${CONFIG_FILE}" \
+    --group-config-file="${CUSTOM_GROUPS}"
diff --git a/packages/policy-pap-tarball/src/main/package/tarball/assembly.xml b/packages/policy-pap-tarball/src/main/package/tarball/assembly.xml
index 9a4e018f..72830bcb 100644
--- a/packages/policy-pap-tarball/src/main/package/tarball/assembly.xml
+++ b/packages/policy-pap-tarball/src/main/package/tarball/assembly.xml
@@ -2,6 +2,7 @@
   ============LICENSE_START=======================================================
    Copyright (C) 2019 Nordix Foundation.
    Modifications Copyright (C) 2019 AT&T Intellectual Property.
+   Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -44,6 +45,7 @@
                 <include>*.json</include>
                 <include>*.properties</include>
                 <include>*.xml</include>
+                <include>*.yaml</include>
             </includes>
             <outputDirectory>${file.separator}etc</outputDirectory>
             <lineEnding>unix</lineEnding>
diff --git a/packages/policy-pap-tarball/src/main/resources/etc/defaultConfig.json b/packages/policy-pap-tarball/src/main/resources/etc/defaultConfig.json
deleted file mode 100644
index c350e16c..00000000
--- a/packages/policy-pap-tarball/src/main/resources/etc/defaultConfig.json
+++ /dev/null
@@ -1,84 +0,0 @@
-{
-    "name": "PapGroup",
-    "restServerParameters": {
-        "host": "0.0.0.0",
-        "port": 6969,
-        "userName": "policyadmin",
-        "password": "zb!XztG34",
-        "https": true,
-        "aaf": false,
-        "prometheus": true
-    },
-    "pdpParameters": {
-        "heartBeatMs": 120000,
-        "updateParameters": {
-            "maxRetryCount": 1,
-            "maxWaitMs": 30000
-        },
-        "stateChangeParameters": {
-            "maxRetryCount": 1,
-            "maxWaitMs": 30000
-        }
-    },
-    "databaseProviderParameters": {
-        "name": "PolicyProviderParameterGroup",
-        "implementation": "org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl",
-        "databaseDriver": "org.mariadb.jdbc.Driver",
-        "databaseUrl": "jdbc:mariadb://mariadb:3306/policyadmin",
-        "databaseUser": "policy_user",
-        "databasePassword": "policy_user",
-        "persistenceUnit": "PolicyMariaDb"
-    },
-    "savePdpStatisticsInDb": true,
-    "topicParameterGroup": {
-        "topicSources" : [{
-            "topic" : "POLICY-PDP-PAP",
-            "servers" : [ "message-router" ],
-            "topicCommInfrastructure" : "dmaap",
-            "fetchTimeout": 15000
-        },
-        {
-            "topic" : "POLICY-HEARTBEAT",
-            "effectiveTopic": "POLICY-PDP-PAP",
-            "consumerGroup": "policy-pap",
-            "servers" : [ "message-router" ],
-            "topicCommInfrastructure" : "dmaap",
-            "fetchTimeout": 15000
-        }],
-        "topicSinks" : [{
-            "topic" : "POLICY-PDP-PAP",
-            "servers" : [ "message-router" ],
-            "topicCommInfrastructure" : "dmaap"
-        },
-        {
-            "topic" : "POLICY-NOTIFICATION",
-            "servers" : [ "message-router" ],
-            "topicCommInfrastructure" : "dmaap"
-        }]
-    },
-    "healthCheckRestClientParameters":[{
-        "clientName": "api",
-        "hostname": "policy-api",
-        "port": 6969,
-        "userName": "policyadmin",
-        "password": "zb!XztG34",
-        "useHttps": true,
-        "basePath": "policy/api/v1/healthcheck"
-    },
-    {
-        "clientName": "distribution",
-        "hostname": "policy-distribution",
-        "port": 6969,
-        "userName": "healthcheck",
-        "password": "zb!XztG34",
-        "useHttps": true,
-        "basePath": "healthcheck"
-    },
-    {
-        "clientName": "dmaap",
-        "hostname": "message-router",
-        "port": 3905,
-        "useHttps": true,
-        "basePath": "topics"
-    }]
-}
diff --git a/packages/policy-pap-tarball/src/main/resources/etc/papParameters.yaml b/packages/policy-pap-tarball/src/main/resources/etc/papParameters.yaml
new file mode 100644
index 00000000..8c907a6e
--- /dev/null
+++ b/packages/policy-pap-tarball/src/main/resources/etc/papParameters.yaml
@@ -0,0 +1,84 @@
+spring:
+  security:
+    user:
+      name: policyadmin
+      password: zb!XztG34
+  http:
+    converters:
+      preferred-json-mapper: gson
+
+server:
+  port: 6969
+  ssl:
+    enabled: false
+
+pap:
+  name: PapGroup
+  pdpParameters:
+    heartBeatMs: 120000
+    updateParameters:
+      maxRetryCount: 1
+      maxWaitMs: 30000
+    stateChangeParameters:
+      maxRetryCount: 1
+      maxWaitMs: 30000
+  databaseProviderParameters:
+    name: PolicyProviderParameterGroup
+    implementation: org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl
+    databaseDriver: org.mariadb.jdbc.Driver
+    databaseUrl: jdbc:mariadb://mariadb:3306/policyadmin
+    databaseUser: policy_user
+    databasePassword: policy_user
+    persistenceUnit: PolicyMariaDb
+  savePdpStatisticsInDb: true
+  topicParameterGroup:
+    topicSources:
+    - topic: POLICY-PDP-PAP
+      servers:
+      - message-router
+      topicCommInfrastructure: dmaap
+      fetchTimeout: 15000
+    - topic: POLICY-HEARTBEAT
+      effectiveTopic: POLICY-PDP-PAP
+      consumerGroup: policy-pap
+      servers:
+      - message-router
+      topicCommInfrastructure: dmaap
+      fetchTimeout: 15000
+    topicSinks:
+    - topic: POLICY-PDP-PAP
+      servers:
+      - message-router
+      topicCommInfrastructure: dmaap
+    - topic: POLICY-NOTIFICATION
+      servers:
+      - message-router
+      topicCommInfrastructure: dmaap
+  healthCheckRestClientParameters:
+  - clientName: api
+    hostname: policy-api
+    port: 6969
+    userName: policyadmin
+    password: zb!XztG34
+    useHttps: true
+    basePath: policy/api/v1/healthcheck
+  - clientName: distribution
+    hostname: policy-distribution
+    port: 6969
+    userName: healthcheck
+    password: zb!XztG34
+    useHttps: true
+    basePath: healthcheck
+  - clientName: dmaap
+    hostname: message-router
+    port: 3905
+    useHttps: true
+    basePath: topics
+
+management:
+  endpoints:
+    web:
+      base-path: /
+      exposure:
+        include: health, metrics, prometheus
+      path-mapping.prometheus: metrics