In a full Java EE 5 implementation it does, but not in JBoss 4, which does not fully implement EE 5. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3981862#3981862 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3981862