From: Mitesh Meswani <mitesh.meswani_at_oracle.com>
Date: Wed, 21 Jul 2010 09:47:30 -0700
Do you have more than one PersistenceUnits deployed as part of your
app? The transformation messages might be coming as part of processing a
PersistenceUnit that is different from one used by you to construct the
metamodel query.