If the dict_status and dict_locale fields are not part of Dictionary's entity key then you can't (portably) use them in a container-managed relationship. There is a hibernate extension that works on jboss when using the hibernate entity manager: have a look at http://www.hibernate.org/hib_docs/annotations/reference/en/html/entity.ht... (2.4.6.1. Enhance collection settings) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4050311#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...