WARNING: Multiple JSF Applications found on same ClassLoader. Unable to safely determine which FactoryManager instance to use

I am trying to create an application where I combine jsf2, prettyfaces, jpa and glassfish 3.1. I had some trouble gettings prettyfilter to load properly, which was fixed by following the tutorial here.

However, after completing the steps I got a problem wit开发者_如何学编程h the Glassfish log being flooded by some really really irritating warnings mesages. It seams they dont have any impact on the functionality of my page, but I would like to know if there is something that will make them go away? The warning is:

WARNING: Multiple JSF Applications found on same ClassLoader.  Unable to safely determine which FactoryManager instance to use. Defaulting to first match

In addition I'm having problem undeploying this webapp. Glassfish admin gui will show a text saying "Long lasting process has been detected", before the admin gui is useless and I have to restart the gf server. I get an error in the gf log:

INFO: PrettyFilter shutting down...
INFO: Admin Console: Initializing Session Attributes...
WARNING: java.lang.reflect.InvocationTargetException while attempting to process a 'command' event for 'button1'.
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException while attempting to process a 'command' event for 'button1'.

Not sure if this makes any sense for anyone, but any help is much appreciated!!:)

Both issues are already reported to the Glassfish dev team.

• Issue GLASSFISH-15809 - JSF PhaseListener executed for each virtual host
• Issue GLASSFISH-16112 - Admin GUI fails with NPE when attempting to undeploy an application

Glassfish 3.2 will be the earliest version where both issues will be fixed.