Java 17 Upgrade

Issue-ID: POLICY-4668
Change-Id: If4e79224de61d66d7514f3abbd7b8bee1c3d5681
Signed-off-by: adheli.tavares <adheli.tavares@est.tech>

14 files changed, 89 insertions, 73 deletions

diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/HttpClient.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/HttpClient.java
index 8a133155..01deaa2d 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/HttpClient.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/HttpClient.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,12 +21,12 @@
 
 package org.onap.policy.common.endpoints.http.client;
 
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.client.InvocationCallback;
+import jakarta.ws.rs.client.WebTarget;
+import jakarta.ws.rs.core.Response;
 import java.util.Map;
 import java.util.concurrent.Future;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.InvocationCallback;
-import javax.ws.rs.client.WebTarget;
-import javax.ws.rs.core.Response;
 import org.onap.policy.common.capabilities.Startable;
 
 /**
@@ -193,9 +194,9 @@ public interface HttpClient extends Startable {
     String getBasePath();
 
     /**
-     * Get the user name.
+     * Get the username.
      *
-     * @return the user name
+     * @return the username
      */
     String getUserName();
 
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/HttpClientConfigException.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/HttpClientConfigException.java
index 98ec576f..bb871fa0 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/HttpClientConfigException.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/HttpClientConfigException.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,10 +21,13 @@
 
 package org.onap.policy.common.endpoints.http.client;
 
+import java.io.Serial;
+
 /**
  * Exception generated by HttpClient builder.
  */
 public class HttpClientConfigException extends Exception {
+    @Serial
     private static final long serialVersionUID = 1L;
 
     public HttpClientConfigException() {
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/IndexedHttpClientFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/IndexedHttpClientFactory.java
index 25fce5cd..5f0b1d6e 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/IndexedHttpClientFactory.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/IndexedHttpClientFactory.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2017-2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,7 +45,7 @@ class IndexedHttpClientFactory implements HttpClientFactory {
     /**
      * Logger.
      */
-    private static Logger logger = LoggerFactory.getLogger(IndexedHttpClientFactory.class);
+    private static final Logger logger = LoggerFactory.getLogger(IndexedHttpClientFactory.class);
 
     protected HashMap<String, HttpClient> clients = new HashMap<>();
 
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/internal/JerseyClient.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/internal/JerseyClient.java
index 753994a6..130b6c15 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/internal/JerseyClient.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/internal/JerseyClient.java
@@ -4,7 +4,7 @@
  * ================================================================================
  * Copyright (C) 2017-2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2018 Samsung Electronics Co., Ltd.
- * Modifications Copyright (C) 2019 Nordix Foundation.
+ * Modifications Copyright (C) 2019, 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,6 +23,13 @@
 package org.onap.policy.common.endpoints.http.client.internal;
 
 import com.google.re2j.Pattern;
+import jakarta.ws.rs.client.Client;
+import jakarta.ws.rs.client.ClientBuilder;
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.client.Invocation.Builder;
+import jakarta.ws.rs.client.InvocationCallback;
+import jakarta.ws.rs.client.WebTarget;
+import jakarta.ws.rs.core.Response;
 import java.security.KeyManagementException;
 import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
@@ -31,13 +38,6 @@ import java.util.Map;
 import java.util.Map.Entry;
 import java.util.concurrent.Future;
 import javax.net.ssl.SSLContext;
-import javax.ws.rs.client.Client;
-import javax.ws.rs.client.ClientBuilder;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.Invocation.Builder;
-import javax.ws.rs.client.InvocationCallback;
-import javax.ws.rs.client.WebTarget;
-import javax.ws.rs.core.Response;
 import lombok.Getter;
 import lombok.ToString;
 import org.apache.commons.lang3.StringUtils;
@@ -60,7 +60,7 @@ public class JerseyClient implements HttpClient {
     /**
      * Logger.
      */
-    private static Logger logger = LoggerFactory.getLogger(JerseyClient.class);
+    private static final Logger logger = LoggerFactory.getLogger(JerseyClient.class);
 
     protected static final String JERSEY_DEFAULT_SERIALIZATION_PROVIDER =
                     "org.onap.policy.common.gson.GsonMessageBodyHandler";
@@ -82,9 +82,14 @@ public class JerseyClient implements HttpClient {
     /**
      * Constructor.
      *
-     * <p>name the name https is it https or not selfSignedCerts are there self signed certs
-     * hostname the hostname port port being used basePath base context userName user
-     * password password
+     * <p>name - the name
+     * https - is it https or not
+     * selfSignedCerts - are there self-signed certs
+     * hostname - the hostname
+     * port - port being used
+     * basePath - base context
+     * userName - user credentials
+     * password - password credentials
      *
      * @param busTopicParams Input parameters object
      * @throws KeyManagementException key exception
@@ -136,9 +141,9 @@ public class JerseyClient implements HttpClient {
             if (this.selfSignedCerts) {
                 sslContext.init(null, NetworkUtil.getAlwaysTrustingManager(), new SecureRandom());
 
-                // This falls under self signed certs which is used for non-production testing environments where
+                // This falls under self-signed certs which is used for non-production testing environments where
                 // the hostname in the cert is unlikely to be crafted properly.  We always return true for the
-                // hostname verifier.  This causes a sonar vuln but we ignore it as it could cause problems in some
+                // hostname verifier.  This causes a sonar vuln, but we ignore it as it could cause problems in some
                 // testing environments.
                 clientBuilder =
                         ClientBuilder.newBuilder().sslContext(sslContext).hostnameVerifier(
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/AuthorizationFilter.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/AuthorizationFilter.java
index d884b869..b58cde7c 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/AuthorizationFilter.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/AuthorizationFilter.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,20 +21,20 @@
 
 package org.onap.policy.common.endpoints.http.server;
 
+import jakarta.servlet.Filter;
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.ServletRequest;
+import jakarta.servlet.ServletResponse;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
-import javax.servlet.Filter;
-import javax.servlet.FilterChain;
-import javax.servlet.ServletException;
-import javax.servlet.ServletRequest;
-import javax.servlet.ServletResponse;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public abstract class AuthorizationFilter implements Filter {
 
-    private static Logger logger = LoggerFactory.getLogger(AuthorizationFilter.class);
+    private static final Logger logger = LoggerFactory.getLogger(AuthorizationFilter.class);
 
     @Override
     public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/JsonExceptionMapper.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/JsonExceptionMapper.java
index d0df156f..0030c121 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/JsonExceptionMapper.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/JsonExceptionMapper.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +22,11 @@
 package org.onap.policy.common.endpoints.http.server;
 
 import com.google.gson.JsonSyntaxException;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.ext.ExceptionMapper;
-import javax.ws.rs.ext.Provider;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
+import jakarta.ws.rs.ext.ExceptionMapper;
+import jakarta.ws.rs.ext.Provider;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import org.slf4j.Logger;
@@ -38,7 +39,7 @@ import org.slf4j.LoggerFactory;
 @Provider
 @Produces(MediaType.APPLICATION_JSON)
 public class JsonExceptionMapper implements ExceptionMapper<JsonSyntaxException> {
-    private static Logger logger = LoggerFactory.getLogger(JsonExceptionMapper.class);
+    private static final Logger logger = LoggerFactory.getLogger(JsonExceptionMapper.class);
 
     @Override
     public Response toResponse(JsonSyntaxException exception) {
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/RestServer.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/RestServer.java
index 3301aece..e7924771 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/RestServer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/RestServer.java
@@ -22,12 +22,12 @@
 
 package org.onap.policy.common.endpoints.http.server;
 
+import jakarta.servlet.Filter;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.Properties;
 import java.util.stream.Collectors;
-import javax.servlet.Filter;
 import lombok.ToString;
 import org.onap.policy.common.endpoints.http.server.aaf.AafAuthFilter;
 import org.onap.policy.common.endpoints.parameters.RestServerParameters;
@@ -150,7 +150,7 @@ public class RestServer extends ServiceManagerContainer {
      * @return the provider class names
      */
     private String getProviderClassNames(List<Class<?>> jaxrsProviders) {
-        return String.join(",", jaxrsProviders.stream().map(Class::getName).collect(Collectors.toList()));
+        return jaxrsProviders.stream().map(Class::getName).collect(Collectors.joining(","));
     }
 
     private String getValue(final String value) {
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlExceptionMapper.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlExceptionMapper.java
index 15a584fb..c30c2072 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlExceptionMapper.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlExceptionMapper.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,10 +21,10 @@
 
 package org.onap.policy.common.endpoints.http.server;
 
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.ext.ExceptionMapper;
-import javax.ws.rs.ext.Provider;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.Response;
+import jakarta.ws.rs.ext.ExceptionMapper;
+import jakarta.ws.rs.ext.Provider;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import org.slf4j.Logger;
@@ -37,7 +38,7 @@ import org.yaml.snakeyaml.error.YAMLException;
 @Provider
 @Produces(YamlMessageBodyHandler.APPLICATION_YAML)
 public class YamlExceptionMapper implements ExceptionMapper<YAMLException> {
-    private static Logger logger = LoggerFactory.getLogger(YamlExceptionMapper.class);
+    private static final Logger logger = LoggerFactory.getLogger(YamlExceptionMapper.class);
 
     @Override
     public Response toResponse(YAMLException exception) {
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlJacksonHandler.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlJacksonHandler.java
index f71aa90f..4639e6a2 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlJacksonHandler.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlJacksonHandler.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,10 +22,10 @@
 package org.onap.policy.common.endpoints.http.server;
 
 import com.google.gson.GsonBuilder;
-import javax.ws.rs.Consumes;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.ext.Provider;
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.ext.Provider;
 import org.onap.policy.common.gson.JacksonHandler;
 import org.onap.policy.common.utils.coder.YamlJsonTranslator;
 
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlMessageBodyHandler.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlMessageBodyHandler.java
index 644e6e2d..6de6b754 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlMessageBodyHandler.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlMessageBodyHandler.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +23,13 @@ package org.onap.policy.common.endpoints.http.server;
 
 import com.google.gson.GsonBuilder;
 import com.google.gson.JsonSyntaxException;
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.MultivaluedMap;
+import jakarta.ws.rs.ext.MessageBodyReader;
+import jakarta.ws.rs.ext.MessageBodyWriter;
+import jakarta.ws.rs.ext.Provider;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -30,13 +38,6 @@ import java.io.OutputStreamWriter;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;
-import javax.ws.rs.Consumes;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.ext.MessageBodyReader;
-import javax.ws.rs.ext.MessageBodyWriter;
-import javax.ws.rs.ext.Provider;
 import org.onap.policy.common.gson.GsonMessageBodyHandler;
 import org.onap.policy.common.utils.coder.YamlJsonTranslator;
 import org.slf4j.Logger;
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/aaf/AafAuthFilter.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/aaf/AafAuthFilter.java
index df1f6044..084d2fb9 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/aaf/AafAuthFilter.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/aaf/AafAuthFilter.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,7 +21,7 @@
 
 package org.onap.policy.common.endpoints.http.server.aaf;
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
 import org.onap.policy.common.endpoints.http.server.AuthorizationFilter;
 
 /**
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/aaf/AafGranularAuthFilter.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/aaf/AafGranularAuthFilter.java
index 27b15a9c..39524e87 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/aaf/AafGranularAuthFilter.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/aaf/AafGranularAuthFilter.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,7 +21,7 @@
 
 package org.onap.policy.common.endpoints.http.server.aaf;
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
 import org.onap.policy.common.utils.network.NetworkUtil;
 
 /**
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyJerseyServer.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyJerseyServer.java
index 42ef1c9e..d4c392b9 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyJerseyServer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyJerseyServer.java
@@ -22,10 +22,11 @@
 
 package org.onap.policy.common.endpoints.http.server.internal;
 
-import io.swagger.jersey.config.JerseyJaxrsConfig;
 import org.apache.commons.lang3.StringUtils;
+import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.servlet.ServletHolder;
 import org.glassfish.jersey.server.ServerProperties;
+import org.glassfish.jersey.servlet.ServletContainer;
 import org.onap.policy.common.endpoints.http.server.JsonExceptionMapper;
 import org.onap.policy.common.gson.GsonMessageBodyHandler;
 import org.onap.policy.common.utils.network.NetworkUtil;
@@ -37,7 +38,7 @@ import org.slf4j.LoggerFactory;
  *
  * <p>Note: the serialization provider will always be added to the server's class providers, as will the swagger
  * providers (assuming swagger has been enabled). This happens whether {@link #addServletClass(String, String)} is used
- * or {@link #addServletPackage(String, String)} is used. Thus it's possible to have both the server's class provider
+ * or {@link #addServletPackage(String, String)} is used. Thus, it's possible to have both the server's class provider
  * property and the server's package provider property populated.
  */
 public class JettyJerseyServer extends JettyServletServer {
@@ -69,12 +70,6 @@ public class JettyJerseyServer extends JettyServletServer {
         String.join(",", GsonMessageBodyHandler.class.getName(), JsonExceptionMapper.class.getName());
 
     /**
-     * Jersey Swagger Classes Init Param Value.
-     */
-    protected static final String SWAGGER_INIT_CLASSNAMES_PARAM_VALUE =
-        "io.swagger.jaxrs.listing.ApiListingResource," + "io.swagger.jaxrs.listing.SwaggerSerializers";
-
-    /**
      * Logger.
      */
     protected static Logger logger = LoggerFactory.getLogger(JettyJerseyServer.class);
@@ -116,7 +111,10 @@ public class JettyJerseyServer extends JettyServletServer {
      */
     protected void attachSwaggerServlet(boolean https) {
 
-        ServletHolder swaggerServlet = getServlet(JerseyJaxrsConfig.class, "/");
+        ServletContextHandler handler = new ServletContextHandler(ServletContextHandler.NO_SESSIONS);
+        handler.setContextPath("/");
+
+        ServletHolder swaggerServlet = handler.addServlet(ServletContainer.class, "/*");
 
         String hostname = this.connector.getHost();
         if (StringUtils.isBlank(hostname) || hostname.equals(NetworkUtil.IPV4_WILDCARD_ADDRESS)) {
@@ -226,8 +224,8 @@ public class JettyJerseyServer extends JettyServletServer {
         initClasses = classProvider;
 
         if (this.swaggerId != null) {
-            initClasses += "," + SWAGGER_INIT_CLASSNAMES_PARAM_VALUE;
-
+            jerseyServlet.setInitParameter("jersey.config.server.provider.packages",
+                "io.swagger.v3.jaxrs2.integration.resources,io.swagger.sample.resource");
             jerseyServlet.setInitParameter(SWAGGER_CONTEXT_ID, swaggerId);
             jerseyServlet.setInitParameter(SWAGGER_SCANNER_ID, swaggerId);
         }
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyServletServer.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyServletServer.java
index 2f7bdc7f..4e1eda9f 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyServletServer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyServletServer.java
@@ -22,13 +22,12 @@
 
 package org.onap.policy.common.endpoints.http.server.internal;
 
-import io.prometheus.client.exporter.MetricsServlet;
 import io.prometheus.client.hotspot.DefaultExports;
+import io.prometheus.client.servlet.jakarta.exporter.MetricsServlet;
+import jakarta.servlet.Servlet;
 import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.Map;
-import javax.servlet.DispatcherType;
-import javax.servlet.Servlet;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.ToString;
@@ -72,7 +71,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
     /**
      * Logger.
      */
-    private static Logger logger = LoggerFactory.getLogger(JettyServletServer.class);
+    private static final Logger logger = LoggerFactory.getLogger(JettyServletServer.class);
 
     private static final String NOT_SUPPORTED = " is not supported on this type of jetty server";
 
@@ -101,7 +100,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
     protected boolean sniHostCheck;
 
     /**
-     * Server auth user name.
+     * Server auth username.
      */
     @Getter
     protected String user;
@@ -146,7 +145,7 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
      * Start condition.
      */
     @ToString.Exclude
-    protected Object startCondition = new Object();
+    protected final Object startCondition = new Object();
 
     /**
      * Constructor.
@@ -227,7 +226,8 @@ public abstract class JettyServletServer implements HttpServletServer, Runnable
             tempFilterPath = "/*";
         }
 
-        context.addFilter(filterClass, tempFilterPath, EnumSet.of(DispatcherType.INCLUDE, DispatcherType.REQUEST));
+        context.addFilter(filterClass, tempFilterPath,
+            EnumSet.of(jakarta.servlet.DispatcherType.INCLUDE, jakarta.servlet.DispatcherType.REQUEST));
     }
 
     protected ServletHolder getServlet(@NonNull Class<? extends Servlet> servlet, @NonNull String servletPath) {