Hi Actual error is from public QueueSession createQueueSession(boolean transacted, | int acknowledgeMode) throws JMSException { | | cat.debug("Entering createQueueSession()..."); | try { | QueueConnection qcon = (QueueConnection) conn; | cat.debug("Exiting createQueueSession()..."); | return qcon.createQueueSession(transacted, acknowledgeMode); | } catch (ClassCastException e) { | cat.debug(e.toString()); | throw new JMSException("Invalid Connection object"); | } | } return qcon.createQueueSession(transacted, acknowledgeMode); line generates exception View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3990957#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...