Thank you, 
I have figured out how to do it after reading the link again  you gave me. I 
have a small question. 
javax.management.NotificationListener 
intefrce has no subscribe/unsubscribe method. 

There is ony handleNotification(Notification notification, Object handback) 
method.

So I only implement handleNotification method.

then In my code

MyMbeanserver.addNotificationListener(objectName, myMBeanListener, null, new 
Integer(2)); 


But I got this exception. Any idea? Thank you.

Chwang

java.lang.IllegalArgumentException: wrong number of arguments
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at 
org.jboss.jmx.connector.invoker.InvokerAdaptorService.invoke(InvokerAdaptorService.java:251)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at 
org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:121)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at 
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at 
org.jboss.invocation.jrmp.server.JRMPProxyFactory.invoke(JRMPProxyFactory.java:164)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
        at 
org.jboss.invocation.jrmp.server.JRMPInvoker$MBeanServerAction.invoke(JRMPInvoker.java:805)
        at 
org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:406)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
        at sun.rmi.transport.Transport$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Unknown Source)
        at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown 
Source)
        at java.lang.Thread.run(Unknown Source)

 

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