3 Replies Latest reply on Feb 10, 2006 2:14 PM by chwang

    NotificationLsitener must be a MBean?

    chwang Feb 9, 2006 7:05 PM

      Hi Folks,


      I read this link:

      http://wiki.jboss.org/wiki/Wiki.jsp?page=ExampleMinimalNotificationListener


      Looks like the listener is a MBean and is put into sar.
      But my application is a servlet and needs to get a data from a ServiceMbean.
      For example :
      My application needs to be notified to get a new message from HelloWorldService Mbean when HelloWorldService message is changed.

      How can I solve this conflict? Thank you.

      chwang

      • 2307 Views
      • Tags:
        • 1. Re: NotificationLsitener must be a MBean?
          dimitris
          dimitris Feb 10, 2006 9:59 AM (in response to chwang)

          see http://wiki.jboss.org/wiki/Wiki.jsp?page=HowCanNonMBeansReceiveJMXNotifications

            • Actions
          • 2. Re: NotificationLsitener must be a MBean?
            chwang Feb 10, 2006 1:07 PM (in response to chwang)

            Thank you very much!

            my servlet is in war, Jmx service is in sar.
            There is no servlet copy in sar.

            Can I just put the path and servlet class name to subsrcribe?
            or Mbean service to add lietener which includs the path and calss name?

            Thank you again

            Chwang

              • Actions
            • 3. Re: NotificationLsitener must be a MBean?
              chwang Feb 10, 2006 2:14 PM (in response to chwang)

              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)

                • Actions