package org.jboss.book.jms.ex1;import javax.jms.JMSException;import javax.jms.Topic;import javax.jms.TopicConnection;import javax.jms.TopicConnectionFactory;import javax.jms.TopicSubscriber;import javax.jms.TopicSession;import javax.naming.InitialContext;/** A client that creates a durable topic subscriber and exits simply tocreate the durable topic using the JBossMQ dynamic durable topic capability.@author  Scott.Stark@jboss.org@version $Revision: 1.1 $*/public class DurableTopicSetup{   public static void main(String args[]) throws Exception   {      System.out.println("Begin DurableTopicSetup");      InitialContext iniCtx = new InitialContext();      Object tmp = iniCtx.lookup("ConnectionFactory");      TopicConnectionFactory tcf = (TopicConnectionFactory) tmp;      TopicConnection conn = tcf.createTopicConnection("john", "needle");      Topic topic = (Topic) iniCtx.lookup("topic/testTopic");      TopicSession session = conn.createTopicSession(false,                                                     TopicSession.AUTO_ACKNOWLEDGE);      TopicSubscriber recv = session.createDurableSubscriber(topic, "jms-ex1dtps");      session.createSubscriber(topic);            conn.close();      System.out.println("End DurableTopicSetup");      System.exit(0);   }}