Hi Miroslav,
Have you ever considered looking into getting a support contract with Sun? This would mean that you would have personalised help and advice on how to get the best out of your deployment. You would also have access to fully supported and tested sustaining patches containing fixes for recent bugs.
If you are interested, please go to the following link for more details:
http://www.sun.com/service/applicationserversubscriptions/index.jsp
or else, please feel free to reply to this thread and I will supply more information.
Kind regards,
Roisin
Sustaining Engineer, GlassFish
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