JMS Queue Producer

package com.test;

import java.util.Hashtable;
import java.util.Properties;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;

public class JmsQueueClient
{
   public static void main(String ...strings)
   {
       try
       {
           Context getMyContext = null;
           try
           {
               Properties env = new Properties();
               env.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory" );
               env.put(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces");
               env.put(Context.PROVIDER_URL, "jnp://localhost:1199");
               env.put(Context.SECURITY_PRINCIPAL, "guest");
               env.put(Context.SECURITY_CREDENTIALS, "guest");

               getMyContext = new InitialContext(env);
             
           }
           catch (NamingException myNamingException)
           {
               System.out.println("Error establishing Connection" + ": " + myNamingException.toString());
               System.exit(1);
           }

           ConnectionFactory myJMSFactory = null;
           Destination myJMSDest = null;
           try
           {
               myJMSFactory = (ConnectionFactory) getMyContext.lookup("ConnectionFactory");
               myJMSDest = (Destination) getMyContext.lookup("queue/myAppQueue");
           }
           catch (Exception e)
           {
               System.out.println("Lookup failed: " +e);
               System.exit(1);
           }

           Connection myJMSConnection = myJMSFactory.createConnection();

           Session myJMSSession = myJMSConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
         
           MessageProducer myJMSProducer = myJMSSession.createProducer(myJMSDest);
           TextMessage message = myJMSSession.createTextMessage();
           message.setText("Hello there from publisher");

           myJMSProducer.send(message);
       }
       catch (JMSException e)
       {
           System.out.println(e);
       }
   }
}