How to receive messages from Glassfish (v3) JMS queue
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I have searched for the solution of my problem as much as I could. My App runs on Glassfish v3.This app sends a message to Glassfish JMS queue and this message is supposed to be read by a standalone client on the same host but outside Glassfish JVM.
I have written standalone client java code - have included appserv-rt.jar and gf-client.jar from Glassfish installation directory.
This client code is unable to receive the message.System out statements print till "got consumer".After that nothing happens.
If I change the name of the queue-I get an error saying Queue not found.So it seems client code is able to find queue but it does not receive any messages.What do I need to include in my client code?
Here is my Java class :-
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Properties;
import javax.annotation.Resource;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.jms.MapMessage;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.ObjectMessage;
import javax.jms.Session;
import javax.jms.Queue;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.apache.log4j.Category;
import domain.RedirectFile;
public class ZblBulkUploadThread implements Runnable,MessageListener{
private static final Category log = Category.getInstance(ZblBulkUploadThread.class) ;
private Queue queue;
public void run()
{
try
{
System.out.println(" inside try") ;
InitialContext jndiContext = null;
MessageConsumer messageConsumer=null;
jndiContext = new InitialContext();
System.out.println(" got context ") ;
ConnectionFactory connectionFactory = (ConnectionFactory)jndiContext.
lookup("jms/SimpleConnectionFactory");
System.out.println("got connectionfactory") ;
Connection connection = connectionFactory.createConnection();
System.out.println("got connection") ;
Session session = connection.createSession(false,
Session.AUTO_ACKNOWLEDGE);
queue = (Queue)jndiContext.lookup("jms/SimpleQueue") ;
System.out.println("got queue"+queue.getQueueName()) ;
messageConsumer = session.createConsumer(queue);
System.out.println(" selector "+messageConsumer.getMessageSelector()) ;
System.out.println("got consumer") ;
Message message = messageConsumer.receive() ;
System.out.println("Message is "+message) ;
System.out.println("destination is "+message.getJMSDestination()) ;
ObjectMessage om = ((ObjectMessage)message) ;
try
{
RedirectFile file = (RedirectFile)om.getObject() ;
log.debug("filePath "+file.getFilePath()) ;
log.debug(" userName "+file.getUserName()) ;
log.debug(" mode is "+file.getMode()) ;
System.out.println("filePath "+file.getFilePath()) ;
System.out.println(" userName "+file.getUserName()) ;
System.out.println(" mode is "+file.getMode()) ;
}
catch(Exception ex)
{
log.error("ERROR "+ex.getMessage()) ;
ex.printStackTrace() ;
}
log.debug("session created") ;
}
catch(Exception ex)
{
ex.printStackTrace() ;
log.error("Error "+ex.getMessage()) ;
}
}
public void onMessage(Message message)
{
System.out.println("Message received "+message) ;
}
public static void main(String[] args)
{
ZblBulkUploadThread zbut = new ZblBulkUploadThread() ;
new Thread(zbut).start() ;
}
Thanks!