Does the seamproject-ear.ear contain seamproject-ejb.jar? If yes, post the output of: jar -tf seamproject-ejb.jar View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4170890#4170890 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4170890