i try that, but i get a javax.ejb.EJBException: Application Error: no concurrent calls on stateful beans View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3963537#3963537 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3963537