Use asupgrade[1] tool that comes with GlassFish.
Thanks,
Sahoo
[1]
http://docs.sun.com/app/docs/doc/819-3675/asupgrade-1m?a=view
glassfish_at_javadesktop.org wrote:
> i found a new version has been released, i want to try it, but how can i do it without losing all the configuration and applications installed on the old version? any safe way to do it?
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