From: <glassfish_at_javadesktop.org>
Date: Fri, 21 Mar 2008 04:01:10 PST

I faced the same problem previously. Solved it when I realised my queries were native SQL, so used createNativeQuery(..), instead of createQuery(..).
[Message sent by forum member 'kangghee' (kangghee)]

http://forums.java.net/jive/thread.jspa?messageID=265155