anonymous wrote : I only needed the id to map the unidirectional relationship. No, you don't. Regards Felix View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4033221#4033221 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4033221