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Re: I get NullPointerException when I store a entity using JPA 2.

From: <glassfish_at_javadesktop.org>
Date: Wed, 19 May 2010 06:04:19 PDT

It appears that Derby is throwing the NullPointerException when an SQL Exception is raised. You may want to consider getting a newer version of Derby or switching to another database.
--Gordon
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