BTW: This only occurs for 1.2.0 - The EntityManagerProxy don't exist for <1.1.6. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4025565#4025565 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4025565