From: <glassfish_at_javadesktop.org>
Date: Tue, 12 Jan 2010 15:12:54 PST
I have just checked in a change to resolve this.
The thread's context class loader must now be a URLClassLoader (which is the case for the default Java system class loader) instead of the more restrictive ACCClassLoader.
This fix should be in tonight's nightly build here: