From: <glassfish_at_javadesktop.org>
Date: Mon, 29 Jun 2009 20:59:21 PDT

hmmm this is quiet exceptional.. If ping to database works, may be the driver is not suiting your application. could you specify the details of your connection pool , drivers and ur application, how you access it??

I had found a reference for this, try this link out.. it might be useful for u
http://www-01.ibm.com/support/docview.wss?uid=swg21247168#JDBCTroubleshooting

good luck..
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