"andydale" wrote : The problem with you first appraoch is the you have an entity ( AuditSearchAssignEntity) with no @Id declared in it. Yeah... I know this. But what is the solution? In the second approach (see third post), I added the @Id tag to the two foreign keys (Composite Key), because no primary key is on the table. But it doesn't help. Any other comments? Every help is welcome. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4008223#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...