But the referencing key is the primary key of the entity. Isn't that what @PrimaryKeyJoinColumn is suppose to imply? I would've assumed there would be some way for the implementation to realize this and setup the keys appropriately. I've tried a couple of different strategies all with the same results. But here is what I've got now: public class Field { @Id @SequenceGenerator(name = "fieldname_seq", sequenceName = "fieldname_seq") @GeneratedValue(strategy = SEQUENCE, generator = "fieldname_seq") private long fieldId; } public class FieldAccess { @Id private long fieldId; } View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4120907#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...