From: <glassfish_at_javadesktop.org>
Date: Sun, 25 Nov 2007 18:52:20 PST

ClassLoaders in GlassFish - a FAQ:
http://blogs.sun.com/sivakumart/entry/classloaders_in_glassfish_an_attempt

Hopefully that can shed a light on your issue. com/sun/appserv/server/LifecycleListener is in install_root/lib/appserv-rt.jar. I suspect it's a classloader order issue. You can try putting your listener jar in install_root/lib, the same level as appserv-rt.jar.

-cheng
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