Are you sure you aren't deploying an extra copy of the ejb3 api? thats what it looks like to me. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4124436#4124436 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4124436