MalformedURLException Unsupported protocol remoting-jmx when JMX client tries to connect to JBoss EAP 6 MBean Server

Issue

• Getting Unsupported protocol when trying to connect to JMX using remoting-jmx protocol from a client application running in JBoss EAP 6.0.x. The exception is:

03:09:24,429 ERROR java.net.MalformedURLException: Unsupported protocol: remoting-jmx
03:09:24,430 ERROR   at javax.management.remote.JMXConnectorFactory.newJMXConnector(JMXConnectorFactory.java:327)
03:09:24,430 ERROR   at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:247)
03:09:24,430 ERROR   at com.jboss.examples.ejb.HelloBean.printMBeanCount(PrintMBeansSingleton.java:57)
                     ...

• The client code connection is:

import javax.management.MBeanServerConnection;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;

@Stateless
public class HelloBean {
  public int printMBeanCount() throws Exception {
    String host = "localhost";
    int port = 9999;  // management-native port
    String urlString = System.getProperty("jmx.service.url","service:jmx:remoting-jmx://" + host + ":" + port);
    JMXConnector jmxConnector = null;
    try {
      JMXServiceURL serviceURL = new JMXServiceURL(urlString);
      JMXConnector jmxConnector = JMXConnectorFactory.connect(serviceURL, null);
      MBeanServerConnection connection = jmxConnector.getMBeanServerConnection();
      return connection.getMBeanCount();
    } finally {
      if(jmxConnector != null) jmxConnector.close();
    }
  }