anonymous wrote : 20:56:33,671 ERROR [STDERR] Caused by: java.lang.ClassCastException: $Proxy86 | 20:56:33,671 ERROR [STDERR] at com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narrow(Port | ableRemoteObject.java:212) This does look like the interfaces being present in the classpath. anonymous wrote : I have seen this link but I could not understand how to fix the problem. Can you post the output of the jmx-console method mentioned in the wiki entry that i posted earlier? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4099125#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...