This is most definitely a very very bad idea. Persistence contexts should (almost) never be scoped to the users session. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116790#4116790 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116790