users@glassfish.java.net

Re: glassFishv2ur2:JDO76406: Concurrent access exception:

From: <glassfish_at_javadesktop.org>
Date: Thu, 15 May 2008 17:05:34 PDT

You see 0 as the return value because the row wasn't updated.

To see what's exactly going on in CMP - set it's logging level to FINE or even FINER. You'll need to read about version consistency to understand how the blueprint code is working. See e.g. this: http://docs.sun.com/app/docs/doc/819-4742/abect?a=view

Regards,
-marina
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