http://www.odi.ch/prog/jms-tx.php explains transactional jms quite well. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4160862#4160862 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4160862