I forgot something: I have to use EJB 2.1, so I can't use these nice annotations. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4233617#4233617 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4233617