Thank you so much! The problem was that. I was closing QueueSender and QueueSession but not QueueConnection. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4219551#4219551 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4219551