Help!!! Problems using KernelManagementHelper got from getRemoteKernelManager()

[Vamsavardhana Reddy]

Hi,

I am running the following piece of code.

        KernelManagementHelper mgr = KernelManagementHelper.getRemoteKernelManager("localhost", "system", "manager");
        J2EEDomain domain = mgr.getDomains()[0];
        String[] servers = domain.getServers();
        System.out.println(servers[0]);
        J2EEServer[] j2eeServers = domain.getServerInstances();
        System.out.println(j2eeServers[0]);

domain.getServers() runs fine, whereas, domain.getServerInstances() throws an exception.  Please suggest a fix or a workaround for this problem.

-Vamsi
----------------------------------------------
java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
    java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: org.apache.geronimo.management.geronimo.J2EEServer$$EnhancerByCGLIB$$d620c0d0
    at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:164)
    at javax.management.remote.rmi.RMIConnectionImpl_Stub.invoke(Unknown Source)
    at mx4j.remote.rmi.ClientInvoker.invoke(ClientInvoker.java:207)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at mx4j.remote.ClientProxy.invoke(ClientProxy.java:32)
    at mx4j.remote.rmi.ClientUnmarshaller.chain(ClientUnmarshaller.java:65)
    at mx4j.remote.rmi.ClientUnmarshaller.invoke(ClientUnmarshaller.java:54)
    at $Proxy0.invoke(Unknown Source)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at mx4j.remote.ClientProxy.invoke(ClientProxy.java:32)
    at mx4j.remote.rmi.ClientExceptionCatcher.invoke(ClientExceptionCatcher.java:40)
    at $Proxy0.invoke(Unknown Source)
    at org.apache.geronimo.system.jmx.KernelDelegate.invokeKernel(KernelDelegate.java:880)
    at org.apache.geronimo.system.jmx.KernelDelegate.getAttribute(KernelDelegate.java:485)
    at org.apache.geronimo.kernel.basic.KernelGetAttributeInvoker.invoke(KernelGetAttributeInvoker.java:36)
    at org.apache.geronimo.system.jmx.JMXProxyMethodInterceptor.intercept(JMXProxyMethodInterceptor.java:89)
    at org.apache.geronimo.management.geronimo.J2EEDomain$$EnhancerByCGLIB$$45e3ccef.getServerInstances(<generated>)
    at PeekRemoteKernel.main(PeekRemoteKernel.java:19)
Caused by: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: org.apache.geronimo.management.geronimo.J2EEServer$$EnhancerByCGLIB$$d620c0d0
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1278)
    at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
    at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:297)
    at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:146)
    ... 23 more
Caused by: java.io.NotSerializableException: org.apache.geronimo.management.geronimo.J2EEServer$$EnhancerByCGLIB$$d620c0d0
    at java.io.ObjectOutputStream.writeObject0(Unknown Source)
    at java.io.ObjectOutputStream.writeArray(Unknown Source)
    at java.io.ObjectOutputStream.writeObject0(Unknown Source)
    at java.io.ObjectOutputStream.writeObject(Unknown Source)
    at sun.rmi.server.UnicastRef.marshalValue(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)