From: <glassfish_at_javadesktop.org>
Date: Fri, 27 Jul 2007 13:23:11 PDT

Try adding the toplink.weaving property to your persistence.xml and setting it to false:

See the toplink.weaving described in the following table:

http://www.oracle.com/technology/products/ias/toplink/JPA/essentials/toplink-jpa-extensions.html#TopLinkCustomizationValidation
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