The advisors referenced by AdviceBinding are the keys of a WeakHashMap. I attached a profiler to figure out if anything is keeping a strong references to the ExtendedManagedObjectAdvisors, but could not find anything. Using the profiler to force a garbage collection between undeployment of the app and shutdown of the server gets rid of the problem. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4157430#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...