Ok, I just found out, that the properties of the owner (user) are also all NULL, if I just search an inventory by its primary key via:
this.manager.find(Inventory.class, someId); For me this seems not to be normal. Maybe one of the developers can give me some feedback to this problem. Regards Riccardo -- View this message in context: http://openjpa.208410.n2.nabble.com/Problem-with-Criteria-API-and-fetch-properties-of-related-entities-are-NULL-tp7582995p7583024.html Sent from the OpenJPA Users mailing list archive at Nabble.com.