Remove unused imports and clean logs

Unused imports and marked an unused variable.
Added m2e eclipse settings (other repos have this).
Added some test logback.xml to clear out jetty debug
messages.
Replaced deprecated newInstance with getDeclaredConstructor.
newInstance
Either log or throw Exception - chose throw
Added some assertions to JUnit test.

Issue-ID: POLICY-2305
Change-Id: Ia4e9ce62dc7fb45aea247d470ca7245e694fc26e
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

24 files changed, 177 insertions, 55 deletions

diff --git a/main/src/main/java/org/onap/policy/distribution/main/parameters/DistributionParameterHandler.java b/main/src/main/java/org/onap/policy/distribution/main/parameters/DistributionParameterHandler.java
index 7ef5fd75..f7314220 100644
--- a/main/src/main/java/org/onap/policy/distribution/main/parameters/DistributionParameterHandler.java
+++ b/main/src/main/java/org/onap/policy/distribution/main/parameters/DistributionParameterHandler.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -69,7 +70,6 @@ public class DistributionParameterHandler {
         } catch (final Exception e) {
             final String errorMessage = "error reading parameters from \"" + arguments.getConfigurationFilePath()
                     + "\"\n" + "(" + e.getClass().getSimpleName() + "):" + e.getMessage();
-            LOGGER.error(errorMessage, e);
             throw new PolicyDistributionException(errorMessage, e);
         }
 
diff --git a/main/src/main/java/org/onap/policy/distribution/main/parameters/PolicyForwarderConfigurationParametersJsonAdapter.java b/main/src/main/java/org/onap/policy/distribution/main/parameters/PolicyForwarderConfigurationParametersJsonAdapter.java
index 687970dc..640353ea 100644
--- a/main/src/main/java/org/onap/policy/distribution/main/parameters/PolicyForwarderConfigurationParametersJsonAdapter.java
+++ b/main/src/main/java/org/onap/policy/distribution/main/parameters/PolicyForwarderConfigurationParametersJsonAdapter.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -74,7 +75,6 @@ public class PolicyForwarderConfigurationParametersJsonAdapter
         } catch (final ClassNotFoundException e) {
             final String errorMessage = "parameter \"" + PARAMETER_CLASS_NAME + "\" value \""
                     + policyForwarderParameterClassName + "\", could not find class";
-            LOGGER.warn(errorMessage, e);
             throw new IllegalArgumentException(errorMessage, e);
         }
         return policyForwarderParameterClass;
diff --git a/main/src/main/java/org/onap/policy/distribution/main/startstop/DistributionActivator.java b/main/src/main/java/org/onap/policy/distribution/main/startstop/DistributionActivator.java
index a50fa6bc..3f19baf1 100644
--- a/main/src/main/java/org/onap/policy/distribution/main/startstop/DistributionActivator.java
+++ b/main/src/main/java/org/onap/policy/distribution/main/startstop/DistributionActivator.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
- *  Modifications Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ *  Modifications Copyright (C) 2019-2020 AT&T Intellectual Property. 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 +22,7 @@
 
 package org.onap.policy.distribution.main.startstop;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -82,12 +83,14 @@ public class DistributionActivator {
             try {
                 final Class<AbstractReceptionHandler> receptionHandlerClass = (Class<AbstractReceptionHandler>) Class
                         .forName(receptionHandlerParameters.getReceptionHandlerClassName());
-                final AbstractReceptionHandler receptionHandler = receptionHandlerClass.newInstance();
+                final AbstractReceptionHandler receptionHandler =
+                        receptionHandlerClass.getDeclaredConstructor().newInstance();
                 receptionHandler.initialize(receptionHandlerParameters.getName());
                 receptionHandlersMap.put(receptionHandlerParameters.getName(), receptionHandler);
                 DistributionActivator.setAlive(true);
             } catch (final ClassNotFoundException | InstantiationException | IllegalAccessException
-                    | PluginInitializationException exp) {
+                    | PluginInitializationException | IllegalArgumentException | InvocationTargetException
+                    | NoSuchMethodException | SecurityException exp) {
                 throw new PolicyDistributionException(exp.getMessage(), exp);
             }
         }
@@ -126,7 +129,6 @@ public class DistributionActivator {
             // Stop the distribution rest server
             restServer.stop();
         } catch (final Exception exp) {
-            LOGGER.error("Policy distribution service termination failed", exp);
             throw new PolicyDistributionException(exp.getMessage(), exp);
         }
     }
diff --git a/main/src/main/java/org/onap/policy/distribution/main/startstop/Main.java b/main/src/main/java/org/onap/policy/distribution/main/startstop/Main.java
index 13da2169..2c676333 100644
--- a/main/src/main/java/org/onap/policy/distribution/main/startstop/Main.java
+++ b/main/src/main/java/org/onap/policy/distribution/main/startstop/Main.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -84,7 +85,8 @@ public class Main {
         try {
             activator.initialize();
         } catch (final PolicyDistributionException e) {
-            LOGGER.error("start of policy distribution service failed, used parameters are " + Arrays.toString(args),
+            LOGGER.error("start of policy distribution service failed, used parameters are {}",
+                    Arrays.toString(args),
                     e);
             return;
         }
diff --git a/main/src/test/java/org/onap/policy/distribution/main/startstop/TestMain.java b/main/src/test/java/org/onap/policy/distribution/main/startstop/TestMain.java
index e1c5d22b..e5d03aaf 100644
--- a/main/src/test/java/org/onap/policy/distribution/main/startstop/TestMain.java
+++ b/main/src/test/java/org/onap/policy/distribution/main/startstop/TestMain.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,6 +21,7 @@
 
 package org.onap.policy.distribution.main.startstop;
 
+import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -62,9 +64,11 @@ public class TestMain {
 
     @Test
     public void testMain_Help() {
-        final String[] distributionConfigParameters =
-        { "-h" };
-        Main.main(distributionConfigParameters);
+        assertThatCode(() -> {
+            final String[] distributionConfigParameters =
+            { "-h" };
+            Main.main(distributionConfigParameters);
+        }).doesNotThrowAnyException();
     }
 
     @Test
diff --git a/main/src/test/resources/logback-test.xml b/main/src/test/resources/logback-test.xml
new file mode 100644
index 00000000..f2f8acbb
--- /dev/null
+++ b/main/src/test/resources/logback-test.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2020 AT&T. 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=========================================================
+-->
+
+<configuration>
+
+    <contextName>policy-api</contextName>
+    <statusListener class="ch.qos.logback.core.status.OnConsoleStatusListener" />
+
+    <!-- USE FOR STD OUT ONLY -->
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <Pattern>%d %contextName [%t] %level %logger{36} - %msg%n</Pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+
+    <logger name="org.eclipse.jetty.server.RequestLog" level="WARN" additivity="false">
+        <appender-ref ref="STDOUT" />
+    </logger>
+</configuration>
diff --git a/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/file/FilePolicyForwarder.java b/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/file/FilePolicyForwarder.java
index 55735662..e88f7eb9 100644
--- a/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/file/FilePolicyForwarder.java
+++ b/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/file/FilePolicyForwarder.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Intel Crop. All rights reserved.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -97,7 +98,6 @@ public class FilePolicyForwarder implements PolicyForwarder {
             LOGGER.debug("Sucessfully forwarded the policy to store into file {}.", path);
         } catch (final InvalidPathException | IOException exp) {
             final String message = "Error sending policy to file under path:" + fileForwarderParameters.getPath();
-            LOGGER.error(message, exp);
             throw new PolicyForwardingException(message, exp);
         }
     }
diff --git a/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/lifecycle/api/LifecycleApiPolicyForwarder.java b/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/lifecycle/api/LifecycleApiPolicyForwarder.java
index 5cd9966d..e3c013ad 100644
--- a/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/lifecycle/api/LifecycleApiPolicyForwarder.java
+++ b/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/lifecycle/api/LifecycleApiPolicyForwarder.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -153,10 +154,8 @@ public class LifecycleApiPolicyForwarder implements PolicyForwarder {
                 throw new PolicyForwardingException("Failed creating the entity - " + entity);
             }
         } catch (final HttpClientConfigException exception) {
-            LOGGER.error(
-                    "Invocation of path " + path + " failed for entity " + entity + " due to error opening Http client",
+            throw new PolicyForwardingException("Invocation of path " + path + " failed for entity  " + entity,
                     exception);
-            throw new PolicyForwardingException("Failed creating the entity - " + entity, exception);
         }
         return response;
     }
diff --git a/plugins/forwarding-plugins/src/test/java/org/onap/policy/distribution/forwarding/lifecycle/api/LifecycleApiPolicyForwarderTest.java b/plugins/forwarding-plugins/src/test/java/org/onap/policy/distribution/forwarding/lifecycle/api/LifecycleApiPolicyForwarderTest.java
index 7d84657a..5fce708e 100644
--- a/plugins/forwarding-plugins/src/test/java/org/onap/policy/distribution/forwarding/lifecycle/api/LifecycleApiPolicyForwarderTest.java
+++ b/plugins/forwarding-plugins/src/test/java/org/onap/policy/distribution/forwarding/lifecycle/api/LifecycleApiPolicyForwarderTest.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,6 +21,7 @@
 
 package org.onap.policy.distribution.forwarding.lifecycle.api;
 
+import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 import java.util.ArrayList;
@@ -83,20 +85,22 @@ public class LifecycleApiPolicyForwarderTest {
 
     @Test
     public void testForwardPolicyUsingSimulator() throws Exception {
+        assertThatCode(() -> {
+            final ToscaServiceTemplate toscaServiceTemplate1 =
+                    standardCoder.decode(ResourceUtils.getResourceAsString(POLICY_TYPE), ToscaServiceTemplate.class);
+            final ToscaServiceTemplate toscaServiceTemplate2 =
+                    standardCoder.decode(ResourceUtils.getResourceAsString(POLICY), ToscaServiceTemplate.class);
 
-        final ToscaServiceTemplate toscaServiceTemplate1 =
-                standardCoder.decode(ResourceUtils.getResourceAsString(POLICY_TYPE), ToscaServiceTemplate.class);
-        final ToscaServiceTemplate toscaServiceTemplate2 =
-                standardCoder.decode(ResourceUtils.getResourceAsString(POLICY), ToscaServiceTemplate.class);
+            final LifecycleApiPolicyForwarder forwarder = new LifecycleApiPolicyForwarder();
+            forwarder.configure(LifecycleApiForwarderParameters.class.getSimpleName());
 
-        final LifecycleApiPolicyForwarder forwarder = new LifecycleApiPolicyForwarder();
-        forwarder.configure(LifecycleApiForwarderParameters.class.getSimpleName());
+            final Collection<ToscaEntity> policies = new ArrayList<>();
+            policies.add(toscaServiceTemplate1);
+            policies.add(toscaServiceTemplate2);
 
-        final Collection<ToscaEntity> policies = new ArrayList<>();
-        policies.add(toscaServiceTemplate1);
-        policies.add(toscaServiceTemplate2);
+            forwarder.forward(policies);
 
-        forwarder.forward(policies);
+        }).doesNotThrowAnyException();
     }
 
     @Test
diff --git a/plugins/forwarding-plugins/src/test/resources/logback-test.xml b/plugins/forwarding-plugins/src/test/resources/logback-test.xml
new file mode 100644
index 00000000..29d86d48
--- /dev/null
+++ b/plugins/forwarding-plugins/src/test/resources/logback-test.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2020 AT&T Inc. 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=========================================================
+-->
+
+<configuration>
+
+    <contextName>policy-api</contextName>
+    <statusListener class="ch.qos.logback.core.status.OnConsoleStatusListener" />
+
+    <!-- USE FOR STD OUT ONLY -->
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <Pattern>%d %contextName [%t] %level %logger{36} - %msg%n</Pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+
+    <logger name="org.eclipse.jetty.server.RequestLog" level="WARN" additivity="false">
+        <appender-ref ref="STDOUT" />
+    </logger>
+</configuration>
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/hpa/PolicyDecoderCsarHpa.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/hpa/PolicyDecoderCsarHpa.java
index e1e1a9a9..51aa15f6 100644
--- a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/hpa/PolicyDecoderCsarHpa.java
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/hpa/PolicyDecoderCsarHpa.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -46,6 +47,10 @@ import org.slf4j.LoggerFactory;
 public class PolicyDecoderCsarHpa implements PolicyDecoder<Csar, ToscaServiceTemplate> {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(PolicyDecoderCsarHpa.class);
+    //
+    // This is initialized in configure() but then never used here
+    //
+    @SuppressWarnings("unused")
     private PolicyDecoderCsarHpaParameters decoderParameters;
 
     public static final String TOSCA_POLICY_SCOPE = "scope";
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/policy/file/PolicyDecoderFileInCsarToPolicy.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/policy/file/PolicyDecoderFileInCsarToPolicy.java
index 4b58d2da..643785fa 100644
--- a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/policy/file/PolicyDecoderFileInCsarToPolicy.java
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/policy/file/PolicyDecoderFileInCsarToPolicy.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,8 +38,6 @@ import org.onap.policy.distribution.reception.decoding.PolicyDecoder;
 import org.onap.policy.distribution.reception.decoding.PolicyDecodingException;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaEntity;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * This class extracts policy files from a CSAR file.
@@ -47,7 +46,6 @@ import org.slf4j.LoggerFactory;
  */
 public class PolicyDecoderFileInCsarToPolicy implements PolicyDecoder<Csar, ToscaEntity> {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(PolicyDecoderFileInCsarToPolicy.class);
     private PolicyDecoderFileInCsarToPolicyParameterGroup decoderParameters;
     private StandardCoder coder;
 
@@ -87,9 +85,7 @@ public class PolicyDecoderFileInCsarToPolicy implements PolicyDecoder<Csar, Tosc
                 }
             }
         } catch (final IOException | CoderException exp) {
-            final String message = "Failed decoding the policy";
-            LOGGER.error(message, exp);
-            throw new PolicyDecodingException(message, exp);
+            throw new PolicyDecodingException("Failed decoding the policy", exp);
         }
 
         return policyList;
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
index 9c336327..b89a679b 100644
--- a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -267,9 +268,7 @@ public class SdcReceptionHandler extends AbstractReceptionHandler implements INo
                 return tempArtifactFile.toPath();
             }
         } catch (final Exception exp) {
-            final String message = "Failed to write artifact to local repository";
-            LOGGER.error(message, exp);
-            throw new ArtifactDownloadException(message, exp);
+            throw new ArtifactDownloadException("Failed to write artifact to local repository", exp);
         }
     }
 
diff --git a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestAttribute.java b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestAttribute.java
index cf03ff30..b4e2ed43 100644
--- a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestAttribute.java
+++ b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestAttribute.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Intel. All rights reserved.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * 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.distribution.reception.decoding.hpa;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
-import org.onap.policy.distribution.reception.decoding.hpa.Attribute;
 
 /**
  * Class to perform unit test for Attribute 0f {@link Attribute}.
diff --git a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestContent.java b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestContent.java
index 3770bc77..bc8f4d5c 100644
--- a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestContent.java
+++ b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestContent.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Intel. All rights reserved.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,8 +24,6 @@ package org.onap.policy.distribution.reception.decoding.hpa;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
-import org.onap.policy.distribution.reception.decoding.hpa.Content;
-import org.onap.policy.distribution.reception.decoding.hpa.FlavorFeature;
 
 /**
  * Class to perform unit test for Content 0f {@link Content}.
diff --git a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestDirective.java b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestDirective.java
index 9ab53931..7429fe7a 100644
--- a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestDirective.java
+++ b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestDirective.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Intel. All rights reserved.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,8 +24,6 @@ package org.onap.policy.distribution.reception.decoding.hpa;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
-import org.onap.policy.distribution.reception.decoding.hpa.Attribute;
-import org.onap.policy.distribution.reception.decoding.hpa.Directive;
 
 /**
  * Class to perform unit test for Directive 0f {@link Directive}.
diff --git a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestFlavorFeature.java b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestFlavorFeature.java
index 47b74c71..b9fee589 100644
--- a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestFlavorFeature.java
+++ b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestFlavorFeature.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Intel. All rights reserved.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,9 +24,6 @@ package org.onap.policy.distribution.reception.decoding.hpa;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
-import org.onap.policy.distribution.reception.decoding.hpa.Directive;
-import org.onap.policy.distribution.reception.decoding.hpa.FlavorFeature;
-import org.onap.policy.distribution.reception.decoding.hpa.FlavorProperty;
 
 /**
  * Class to perform unit test for FlavorFeature 0f {@link FlavorFeature}.
diff --git a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestFlavorProperty.java b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestFlavorProperty.java
index 2d0504da..af6600c8 100644
--- a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestFlavorProperty.java
+++ b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestFlavorProperty.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Intel. All rights reserved.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,9 +24,6 @@ package org.onap.policy.distribution.reception.decoding.hpa;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
-import org.onap.policy.distribution.reception.decoding.hpa.Directive;
-import org.onap.policy.distribution.reception.decoding.hpa.FlavorProperty;
-import org.onap.policy.distribution.reception.decoding.hpa.HpaFeatureAttribute;
 
 /**
  * Class to perform unit test for FlavorProperty 0f {@link FlavorProperty}.
diff --git a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestHpaFeatureAttribute.java b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestHpaFeatureAttribute.java
index fddeb168..3c6531db 100644
--- a/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestHpaFeatureAttribute.java
+++ b/plugins/reception-plugins/src/test/java/org/onap/policy/distribution/reception/decoding/hpa/TestHpaFeatureAttribute.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Intel. All rights reserved.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * 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.distribution.reception.decoding.hpa;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
-import org.onap.policy.distribution.reception.decoding.hpa.HpaFeatureAttribute;
 
 /**
  * Class to perform unit test for HpaFeatureAttribute 0f {@link HpaFeatureAttribute}.
diff --git a/pom.xml b/pom.xml
index 961a5d61..9b20e819 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,6 +4,7 @@
   ================================================================================
   Copyright (C) 2018, 2020 AT&T Intellectual Property. All rights reserved.
   Copyright (C) 2019 Nordix Foundation.
+  Modifications Copyright (C) 2020 AT&T Inc.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -64,11 +65,15 @@
             <scope>test</scope>
         </dependency>
         <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-all</artifactId>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>org.onap.policy.common</groupId>
             <artifactId>policy-endpoints</artifactId>
@@ -86,6 +91,30 @@
     <build>
         <plugins>
             <plugin>
+                <groupId>org.eclipse.m2e</groupId>
+                <artifactId>lifecycle-mapping</artifactId>
+                <version>1.0.0</version>
+                <configuration>
+                    <lifecycleMappingMetadata>
+                        <pluginExecutions>
+                            <pluginExecution>
+                                <pluginExecutionFilter>
+                                    <groupId>org.apache.maven.plugins</groupId>
+                                    <artifactId>maven-checkstyle-plugin</artifactId>
+                                    <versionRange>2.17,)</versionRange>
+                                    <goals>
+                                        <goal>check</goal>
+                                    </goals>
+                                </pluginExecutionFilter>
+                                <action>
+                                    <ignore />
+                                </action>
+                            </pluginExecution>
+                        </pluginExecutions>
+                    </lifecycleMappingMetadata>
+                </configuration>
+            </plugin>
+            <plugin>
                 <artifactId>maven-checkstyle-plugin</artifactId>
                 <executions>
                     <execution>
diff --git a/reception/src/main/java/org/onap/policy/distribution/reception/handling/AbstractReceptionHandler.java b/reception/src/main/java/org/onap/policy/distribution/reception/handling/AbstractReceptionHandler.java
index 2ea18704..52c34cec 100644
--- a/reception/src/main/java/org/onap/policy/distribution/reception/handling/AbstractReceptionHandler.java
+++ b/reception/src/main/java/org/onap/policy/distribution/reception/handling/AbstractReceptionHandler.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -85,7 +86,7 @@ public abstract class AbstractReceptionHandler implements ReceptionHandler {
             try {
                 policyForwarder.forward(policies);
             } catch (final PolicyForwardingException policyForwardingException) {
-                LOGGER.error("Error when forwarding policies to " + policyForwarder, policyForwardingException);
+                LOGGER.error("Error when forwarding policies to {}", policyForwarder, policyForwardingException);
             }
         }
     }
diff --git a/reception/src/main/java/org/onap/policy/distribution/reception/handling/PluginHandler.java b/reception/src/main/java/org/onap/policy/distribution/reception/handling/PluginHandler.java
index f837e520..5067c841 100644
--- a/reception/src/main/java/org/onap/policy/distribution/reception/handling/PluginHandler.java
+++ b/reception/src/main/java/org/onap/policy/distribution/reception/handling/PluginHandler.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * 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.distribution.reception.handling;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Map;
@@ -92,11 +94,13 @@ public class PluginHandler {
                 final Class<PolicyDecoder<PolicyInput, ToscaEntity>> policyDecoderClass =
                         (Class<PolicyDecoder<PolicyInput, ToscaEntity>>) Class
                                 .forName(decoderParameters.getDecoderClassName());
-                final PolicyDecoder<PolicyInput, ToscaEntity> decoder = policyDecoderClass.newInstance();
+                final PolicyDecoder<PolicyInput, ToscaEntity> decoder =
+                        policyDecoderClass.getDeclaredConstructor().newInstance();
                 decoder.configure(decoderParameters.getDecoderConfigurationName());
                 policyDecoders.add(decoder);
-            } catch (final ClassNotFoundException | InstantiationException | IllegalAccessException exp) {
-                LOGGER.error("exception occured while initializing decoders", exp);
+            } catch (final ClassNotFoundException | InstantiationException | IllegalAccessException
+                    | IllegalArgumentException | InvocationTargetException | NoSuchMethodException
+                    | SecurityException exp) {
                 throw new PluginInitializationException(exp.getMessage(), exp.getCause());
             }
         }
@@ -116,11 +120,12 @@ public class PluginHandler {
             try {
                 final Class<PolicyForwarder> policyForwarderClass =
                         (Class<PolicyForwarder>) Class.forName(forwarderParameters.getForwarderClassName());
-                final PolicyForwarder policyForwarder = policyForwarderClass.newInstance();
+                final PolicyForwarder policyForwarder = policyForwarderClass.getDeclaredConstructor().newInstance();
                 policyForwarder.configure(forwarderParameters.getForwarderConfigurationName());
                 policyForwarders.add(policyForwarder);
-            } catch (final ClassNotFoundException | InstantiationException | IllegalAccessException exp) {
-                LOGGER.error("exception occured while initializing forwarders", exp);
+            } catch (final ClassNotFoundException | InstantiationException | IllegalAccessException
+                    | IllegalArgumentException | InvocationTargetException | NoSuchMethodException
+                    | SecurityException exp) {
                 throw new PluginInitializationException(exp.getMessage(), exp.getCause());
             }
         }
diff --git a/reception/src/main/java/org/onap/policy/distribution/reception/parameters/PolicyDecoderConfigurationParametersJsonAdapter.java b/reception/src/main/java/org/onap/policy/distribution/reception/parameters/PolicyDecoderConfigurationParametersJsonAdapter.java
index c30d3d3d..b1c8053b 100644
--- a/reception/src/main/java/org/onap/policy/distribution/reception/parameters/PolicyDecoderConfigurationParametersJsonAdapter.java
+++ b/reception/src/main/java/org/onap/policy/distribution/reception/parameters/PolicyDecoderConfigurationParametersJsonAdapter.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,7 +76,6 @@ public class PolicyDecoderConfigurationParametersJsonAdapter
         } catch (final ClassNotFoundException exp) {
             final String errorMessage = "parameter \"" + PARAMETER_CLASS_NAME + "\" value \""
                     + policyDecoderParameterClassName + "\", could not find class";
-            LOGGER.warn(errorMessage, exp);
             throw new IllegalArgumentException(errorMessage, exp);
         }
         return policyDecoderParameterClass;
diff --git a/reception/src/main/java/org/onap/policy/distribution/reception/parameters/ReceptionHandlerConfigurationParametersJsonAdapter.java b/reception/src/main/java/org/onap/policy/distribution/reception/parameters/ReceptionHandlerConfigurationParametersJsonAdapter.java
index 9b3a4d2b..9a34ee61 100644
--- a/reception/src/main/java/org/onap/policy/distribution/reception/parameters/ReceptionHandlerConfigurationParametersJsonAdapter.java
+++ b/reception/src/main/java/org/onap/policy/distribution/reception/parameters/ReceptionHandlerConfigurationParametersJsonAdapter.java
@@ -2,6 +2,7 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2018 Ericsson. All rights reserved.
  *  Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 AT&T Inc.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -74,7 +75,6 @@ public class ReceptionHandlerConfigurationParametersJsonAdapter
         } catch (final ClassNotFoundException e) {
             final String errorMessage = "parameter \"" + PARAMETER_CLASS_NAME + "\" value \""
                     + receptionHAndlerParameterClassName + "\", could not find class";
-            LOGGER.warn(errorMessage, e);
             throw new IllegalArgumentException(errorMessage, e);
         }
         return receptionHandlerParameterClass;