KAFKA-9165: Fix jersey warnings in Trogdor (#7669)

Reviewers: David Arthur <mumrah@gmail.com>, Stanislav Kozlovski <stanislav_kozlovski@outlook.com>

tools/src/main/java/org/apache/kafka/trogdor/agent/Agent.java

@@ -248,7 +248,9 @@ public final class Agent {
         AgentRestResource resource = new AgentRestResource();
         log.info("Starting agent process.");
         final Agent agent = new Agent(platform, Scheduler.SYSTEM, restServer, resource);
-        restServer.start(resource);
+        AgentResourceBinder binder =
+            new AgentResourceBinder(resource, AgentRestResource.class);
+        restServer.start(binder);
         Runtime.getRuntime().addShutdownHook(new Thread(() -> {
             log.warn("Running agent shutdown hook.");
             try {

tools/src/main/java/org/apache/kafka/trogdor/agent/AgentResourceBinder.java

@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+package org.apache.kafka.trogdor.agent;
+
+import org.glassfish.jersey.internal.inject.AbstractBinder;
+
+/**
+ * This class implements a workaround for the Jersey bug which leads to
+ * warning messages when registering a Resource object.
+ * See https://github.com/eclipse-ee4j/jersey/issues/3700
+ *
+ * Unfortunately, this can't be common code shared with the Coordinator, because hk2/jersey
+ * doesn't add new bindings for the same class.
+ */
+public class AgentResourceBinder extends AbstractBinder {
+    private Object object;
+    private Class clazz;
+
+    public AgentResourceBinder(Object object, Class clazz) {
+        this.object = object;
+        this.clazz = clazz;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void configure() {
+        bind(object).to(clazz);
+    }
+}

tools/src/main/java/org/apache/kafka/trogdor/coordinator/Coordinator.java

@@ -170,7 +170,9 @@ public final class Coordinator {
         log.info("Starting coordinator process.");
         final Coordinator coordinator = new Coordinator(platform, Scheduler.SYSTEM,
             restServer, resource, ThreadLocalRandom.current().nextLong(0, Long.MAX_VALUE / 2));
-        restServer.start(resource);
+        CoordinatorResourceBinder binder =
+            new CoordinatorResourceBinder(resource, CoordinatorRestResource.class);
+        restServer.start(binder);
         Runtime.getRuntime().addShutdownHook(new Thread(() -> {
             log.warn("Running coordinator shutdown hook.");
             try {

tools/src/main/java/org/apache/kafka/trogdor/coordinator/CoordinatorResourceBinder.java

@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+package org.apache.kafka.trogdor.coordinator;
+
+import org.glassfish.jersey.internal.inject.AbstractBinder;
+
+/**
+ * This class implements a workaround for the Jersey bug which leads to
+ * warning messages when registering a Resource object.
+ * See https://github.com/eclipse-ee4j/jersey/issues/3700
+ *
+ * Unfortunately, this can't be common code shared with the Agent, because hk2/jersey
+ * doesn't add new bindings for the same class.
+ */
+public class CoordinatorResourceBinder extends AbstractBinder {
+    private Object object;
+    private Class clazz;
+
+    public CoordinatorResourceBinder(Object object, Class clazz) {
+        this.object = object;
+        this.clazz = clazz;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void configure() {
+        bind(object).to(clazz);
+    }
+}