once I changed the order of jboss-messaging-client.jar in the classpath, it cleared the issue. Thanks View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3996702#3996702 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3996702