[RHPAM-4876] exclusion on kie server affect custom endpoints

- Add resteasy-jackson2-provider in kie-server.war

kie-server-parent/kie-server-tests/kie-server-integ-tests-custom-extension/kie-server-integ-tests-custom-extension-rest/src/main/java/org/kie/server/extension/custom/CustomDroolsKieServerApplicationComponentsService.java

@@ -52,6 +52,7 @@ public Collection<Object> getAppComponents(String extension, SupportedTransports
         List<Object> components = new ArrayList<Object>();
         if (SupportedTransports.REST.equals(type)) {
             components.add(new CustomResource(rulesExecutionService, context));
+            components.add(new CustomJsonResource());
         }
 
         return components;

kie-server-parent/kie-server-tests/kie-server-integ-tests-custom-extension/kie-server-integ-tests-custom-extension-rest/src/main/java/org/kie/server/extension/custom/CustomJsonResource.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ *
+ *      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.
+ */
+
+package org.kie.server.extension.custom;
+
+import java.util.Map;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+/**
+ * This class is just to verify that Json conversion works (resteasy-jackson2-provider). There is nothing to do with drools nor jbpm.
+ */
+@Path("server/containers/custom-json")
+public class CustomJsonResource {
+
+    @POST
+    @Path("/{myId}")
+    @Consumes({MediaType.APPLICATION_JSON})
+    @Produces({MediaType.APPLICATION_JSON})
+    public Response insertFireReturn(@Context HttpHeaders headers, @PathParam("myId") String myId, Map<String, Object> inputMap) {
+        inputMap.put("key3", "value3");
+        return Response.ok(inputMap).build();
+    }
+}

kie-server-parent/kie-server-tests/kie-server-integ-tests-custom-extension/kie-server-integ-tests-custom-extension-test/src/test/java/org/kie/server/integrationtests/extension/custom/CustomExtensionIntegrationTest.java

@@ -17,24 +17,36 @@
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
 
-import org.assertj.core.api.Assertions;
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
+import org.jboss.resteasy.plugins.providers.jackson.ResteasyJacksonProvider;
 import org.junit.After;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.kie.api.KieServices;
 import org.kie.api.runtime.ExecutionResults;
+import org.kie.server.api.marshalling.MarshallingFormat;
 import org.kie.server.api.model.ReleaseId;
 import org.kie.server.client.CustomExtensionClient;
 import org.kie.server.client.KieServicesClient;
+import org.kie.server.common.rest.Authenticator;
 import org.kie.server.integrationtests.shared.KieServerDeployer;
 import org.kie.server.integrationtests.shared.KieServerReflections;
 import org.kie.server.integrationtests.shared.basetests.KieServerBaseIntegrationTest;
 import org.kie.server.integrationtests.shared.basetests.RestJmsSharedBaseIntegrationTest;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 public class CustomExtensionIntegrationTest extends RestJmsSharedBaseIntegrationTest {
 
     private static ReleaseId releaseId = new ReleaseId("org.kie.server.testing", "stateless-session-kjar", "1.0.0");
@@ -94,12 +106,48 @@ public void testStatelessCall() throws Exception {
         ExecutionResults result = customClient.insertFireReturn(CONTAINER_ID, KIE_SESSION, persons);
 
         Object john2 = result.getValue(JOHN_OUT_IDENTIFIER);
-        Assertions.assertThat(KieServerReflections.valueOf(john2, PERSON_SURNAME_FIELD)).isEqualTo(JOHN_EXPECTED_SURNAME);
+        assertThat(KieServerReflections.valueOf(john2, PERSON_SURNAME_FIELD)).isEqualTo(JOHN_EXPECTED_SURNAME);
         Object mary2 = result.getValue(MARY_OUT_IDENTIFIER);
-        Assertions.assertThat(KieServerReflections.valueOf(mary2, PERSON_SURNAME_FIELD)).isEqualTo(MARY_SURNAME);
+        assertThat(KieServerReflections.valueOf(mary2, PERSON_SURNAME_FIELD)).isEqualTo(MARY_SURNAME);
     }
 
     private Object createPersonInstance(String firstname, String surname, ClassLoader loader) {
         return KieServerReflections.createInstance(PERSON_CLASS_NAME, loader, firstname, surname);
     }
+
+    @Test
+    public void testCustomJsonResourceEndpoint() {
+        // RHPAM-4876
+        if (configuration.getMarshallingFormat() != MarshallingFormat.JSON) {
+            return;
+        }
+
+        Client httpClient = new ResteasyClientBuilder()
+                .establishConnectionTimeout(configuration.getTimeout(), TimeUnit.MILLISECONDS)
+                .socketTimeout(configuration.getTimeout(), TimeUnit.MILLISECONDS)
+                .register(new Authenticator(configuration.getUserName(), configuration.getPassword()))
+                .register(new ResteasyJacksonProvider())
+                .build();
+
+        Map<String, Object> testPayload = new HashMap<>();
+        testPayload.put("key1", "value1");
+        testPayload.put("key2", 123);
+
+        String endpoint = configuration.getServerUrl() + "/containers/custom-json/1";
+
+        Response response = httpClient.target(endpoint)
+                .request()
+                .post(Entity.entity(testPayload, MediaType.APPLICATION_JSON));
+
+        assertThat(response.getStatus()).isEqualTo(Response.Status.OK.getStatusCode());
+        Object entity = response.readEntity(Map.class);
+        assertThat(entity).isNotNull()
+                .isInstanceOf(Map.class);
+        Map<String, Object> responseMap = (Map<String, Object>) entity;
+        assertThat(responseMap).containsEntry("key1", "value1")
+                .containsEntry("key2", 123)
+                .containsEntry("key3", "value3");
+
+        httpClient.close();
+    }
 }

kie-server-parent/kie-server-wars/kie-server/pom.xml

@@ -52,6 +52,11 @@
           <groupId>jakarta.el</groupId>
           <artifactId>jakarta.el-api</artifactId>
         </exclusion>
+        <!-- avoid ban-duplicated-classes with resteasy-jackson2-provider -->
+        <exclusion>
+          <groupId>org.jboss.resteasy</groupId>
+          <artifactId>resteasy-jackson-provider</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
     <dependency>
@@ -356,6 +361,13 @@
     	<groupId>org.kie.server</groupId>
     	<artifactId>kie-server-services-kafka</artifactId>
     </dependency>
+
+    <!-- RHPAM-4876 -->
+    <dependency>
+      <groupId>org.jboss.resteasy</groupId>
+      <artifactId>resteasy-jackson2-provider</artifactId>
+    </dependency>
+
   </dependencies>
 
   <build>

kie-server-parent/kie-server-wars/kie-server/src/main/assembly/assembly-ee8-container.xml

@@ -91,9 +91,13 @@
 
         <include>org.glassfish.jaxb:jaxb-runtime</include>
         <include>org.glassfish.jaxb:jaxb-xjc</include>
+
+        <include>org.jboss.resteasy:resteasy-jackson2-provider</include>
       </includes>
       <excludes>
-        <exclude>org.jboss.resteasy:*</exclude>
+        <exclude>org.jboss.resteasy:resteasy-jaxrs</exclude>
+        <exclude>org.jboss.resteasy:resteasy-jackson-provider</exclude>
+        <exclude>org.jboss.resteasy:resteasy-jaxb-provider</exclude>
         <exclude>jakarta.annotation:*</exclude>
         <exclude>jakarta.ejb:*</exclude>
         <exclude>jakarta.interceptor:*</exclude>

kie-server-parent/kie-server-wars/kie-server/src/main/ee-resources/WEB-INF/jboss-deployment-structure.xml

@@ -28,7 +28,6 @@
       <module name="com.fasterxml.jackson.jaxrs.jackson-jaxrs-json-provider" />
       <module name="com.fasterxml.jackson.dataformat.jackson-dataformat-yaml" />
       <module name="org.jboss.resteasy.resteasy-jackson2-provider" />
-      <module name="org.jboss.resteasy.resteasy-jackson-provider" />
     </exclusions>
     <dependencies>
       <!-- IMPORTANT: when adding dependency (module) here, make sure it is a public one.