users@glassfish.java.net

Re: The Java type [null] is not a valid database type

From: <glassfish_at_javadesktop.org>
Date: Wed, 31 Oct 2007 08:50:51 PST

Add the following to your persistence.xml

 <property name="toplink.logging.level" value="fine"/>

or enable the logging in GF for Persistence to the same value above
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