Thanks genman..
The type of the Object is org.jboss.mq.SpyQueue. But I dont need to use
SpyQueue or SpyConnectionFactory. I prefer to use QueueConnectionFactory and
Queue Connection in my program. But When do a JNDI lookup like
SpyConnectionFactory factory = (SpyConnectionFactory)
ctx.lookup(ConnectionFactory);
It returs Object of SpyConnectionFactory. What should I do in my Application
Server Settings to return QueueConnectionFactory. Also please let me know the
JNDI name for it.
My full Program Code is (Which Throws Exception)
package com.echain.contacts.web.action;
import java.io.PrintWriter;
import javax.jms.QueueConnection;
import javax.jms.QueueSender;
import javax.jms.QueueSession;
import javax.jms.TextMessage;
import javax.naming.InitialContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.jboss.mq.SpyConnectionFactory;
import org.jboss.mq.SpyQueue;
public class ServerAction extends Action {
QueueConnection qCon;
QueueSession qSess;
SpyQueue queue;
QueueSender qSender;
PrintWriter pw;
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest req, HttpServletResponse res) throws Exception {
try {
pw = res.getWriter();
System.out.println(\n\n*** Creating Queue
***\n\n);
pw.println(*** Creating Queue ***);
createQueue();
System.out.println(\n\n*** Created Queue
***\n\n);
pw.println(*** Created Queue ***);
System.out.println(\n\n*** Sending Message to Queue
***\n\n);
pw.println(*** Sending Message to Queue ***);
sendMessageToQueue(THis is the Message);
System.out.println(\n\n*** Message Sent to Queue
***\n\n);
pw.println(*** Message Sent to Queue ***);
} catch (Exception e) {
e.printStackTrace();
}
return mapping.findForward(forward.success);
}
public void createQueue() throws Exception{
InitialContext ctx = new InitialContext();
System.out.println(\n\nFactory is : +
ctx.lookup(ConnectionFactory) + \n\n);
SpyConnectionFactory factory = (SpyConnectionFactory)
ctx.lookup(ConnectionFactory);
qCon = factory.createQueueConnection();
ctx = new InitialContext();
Object o = ctx.lookup(queue/echnQueue);
System.out.println(\n\nQueue is : + o.getClass() + \n\n);
queue = (SpyQueue) ctx.lookup(queue/echnQueue);
qSess = qCon.createQueueSession(false,
QueueSession.AUTO_ACKNOWLEDGE);
qCon.start();
}
public void sendMessageToQueue(String message) throws Exception{
qSender = qSess.createSender(queue);
TextMessage tm = qSess.createTextMessage(message);
qSender.send(tm);
qSender.close();
System.out.println(\n\n\n\n*\n\nMessage Send
to Queue And QSender is Closed\n\n\n\n\n);
pw.println(* Message Send to Queue And QSender
is Closed );
}
}
In the above marked redline I am getting an exception
java.lang.LinkageError: Class javax/jms/QueueConnection violates loader
constraints
Please help me out
Regards,
Dharma
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