The EJB3 tutorials have various chapters on using xml descriptors http://www.jboss.org/jbossejb3/docs/ View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4234853#4234853 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4234853