Fix for https://issues.apache.org/jira/browse/AMQ-4823 NetworkConnector not registered in JMX when created from Broker View + unit tests

activemq-broker/src/main/java/org/apache/activemq/broker/BrokerService.java

@@ -2061,7 +2061,7 @@ public class BrokerService implements Service {
         return BrokerMBeanSupport.createConnectorName(getBrokerObjectName(), "clientConnectors", connector.getName());
     }
 
-    protected void registerNetworkConnectorMBean(NetworkConnector connector) throws IOException {
+    public void registerNetworkConnectorMBean(NetworkConnector connector) throws IOException {
         NetworkConnectorViewMBean view = new NetworkConnectorView(connector);
         try {
             ObjectName objectName = createNetworkConnectorObjectName(connector);

activemq-broker/src/main/java/org/apache/activemq/broker/jmx/BrokerView.java

@@ -352,6 +352,7 @@ public class BrokerView implements BrokerViewMBean {
         if (connector == null) {
             throw new NoSuchElementException("Not connector matched the given name: " + discoveryAddress);
         }
+        brokerService.registerNetworkConnectorMBean(connector);
         connector.start();
         return connector.getName();
     }

activemq-unit-tests/src/test/java/org/apache/activemq/jmx/JmxCreateNCTest.java

@@ -0,0 +1,67 @@
+/**
+ * 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.activemq.jmx;
+
+import org.apache.activemq.broker.BrokerService;
+import org.apache.activemq.broker.jmx.BrokerViewMBean;
+import org.apache.activemq.broker.jmx.NetworkConnectorViewMBean;
+import org.junit.Test;
+
+import javax.management.ObjectName;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * This test shows that when we create a network connector via JMX,
+ * the NC/bridge shows up in the MBean Server
+ *
+ * @author <a href="http://www.christianposta.com/blog">Christian Posta</a>
+ */
+public class JmxCreateNCTest {
+
+    private static final String BROKER_NAME = "jmx-broker";
+
+    @Test
+    public void testBridgeRegistration() throws Exception {
+        BrokerService broker = new BrokerService();
+        broker.setBrokerName(BROKER_NAME);
+        broker.setUseJmx(true); // explicitly set this so no funny issues
+        broker.start();
+        broker.waitUntilStarted();
+
+        // now create network connector over JMX
+        ObjectName brokerObjectName = new ObjectName("org.apache.activemq:type=Broker,brokerName=" + BROKER_NAME);
+        BrokerViewMBean proxy = (BrokerViewMBean) broker.getManagementContext().newProxyInstance(brokerObjectName,
+                BrokerViewMBean.class, true);
+
+        assertNotNull("We could not retrieve the broker from JMX", proxy);
+
+        // let's add the NC
+        String connectoName = proxy.addNetworkConnector("static:(tcp://localhost:61617)");
+        assertEquals("NC", connectoName);
+
+        // Make sure we can retrieve the NC through JMX
+        ObjectName networkConnectorObjectName = new ObjectName("org.apache.activemq:type=Broker,brokerName=" + BROKER_NAME +
+                ",connector=networkConnectors,networkConnectorName=" + connectoName);
+        NetworkConnectorViewMBean nc  = (NetworkConnectorViewMBean) broker.getManagementContext().newProxyInstance(networkConnectorObjectName,
+                NetworkConnectorViewMBean.class, true);
+
+        assertNotNull(nc);
+        assertEquals("NC", nc.getName());
+    }
+}