Somebody helped me solve the problem. What was missing is jboss-transaction.jar. Thank you all for help. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4129662#4129662 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4129662