Just going through that SQL output again. and theres a heap of question marks in the output. Any idea what that means? 19:52:25,390 INFO [STDOUT] Hibernate: update session set session_rate_id=? where session_id=? 19:52:25,390 WARN [FromElementType] Using non-qualified column reference [sessionArrivalLocation -> ([session_arrival_location_id])] 19:52:25,406 INFO [STDOUT] Hibernate: delete from session_rate where session_arrival_location_id=? 19:52:25,453 INFO [STDOUT] Hibernate: delete from session_rate where session_arrival_location_id=? 19:52:25,484 WARN [FromElementType] Using non-qualified column reference [sessionDepartureLocation -> ([session_departure_location_id])] 19:52:25,500 INFO [STDOUT] Hibernate: delete from session_arrival_location where session_departure_location_id=? 19:52:25,515 INFO [STDOUT] Hibernate: delete from session_rate where session_arrival_location_id=? 19:52:25,515 INFO [STDOUT] Hibernate: delete from session_rate where session_arrival_location_id=? 19:52:25,531 INFO [STDOUT] Hibernate: delete from session_arrival_location where session_departure_location_id=? 19:52:25,578 INFO [STDOUT] Hibernate: delete from session_departure_location where session_supplier_id=? 19:52:25,593 INFO [STDOUT] Hibernate: delete from session_rate where session_arrival_location_id=? 19:52:25,609 INFO [STDOUT] Hibernate: delete from session_arrival_location where session_departure_location_id=? 19:52:25,609 INFO [STDOUT] Hibernate: delete from session_departure_location where session_supplier_id=? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4102810#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...