Looks like a JDK incompatibility issue. Report it to Sun.
But you need to include a lot more information than you have above,
e.g. a simple testcase and the stacktrace of the exception would be a start.
View the original post :
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4054797#...
Reply to the post :
http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...