From: <glassfish_at_javadesktop.org>
Date: Wed, 31 Dec 2008 07:03:34 PST

Error info:

oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider
Returned null to createEntityManagerFactory.
        at javax.persistence.Per
sistence.createEntityManagerFactory(Persistence.java:154)


what could be the problem?

Thanks!
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