TreeCacheMBean was deprecated in 2.x and removed in 3.x. Look for CacheJmxWrapperMBean instead. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4248482#4248482 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4248482