Thanks for your reply. I tried it out. I removed the name and/or the referencedColumn, but it didn't work. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4034270#4034270 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4034270