"jhalliday" wrote : huh? I thought the whole point of MC was that you could use POJOs. Now it appears I have to implement or subclass something? Arggg. How does that leave me any better off than not changing my code at all. I may as well stick with 'extends ServiceMBeanSupport' | Define TM as MC bean, not as mbean, and you're done. ;-) Why the mbean XML? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4109099#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...