[jboss-user] [Beginners Corner] - while accessing twiddle i got errors

[thirumalmarugan]

hi
i am running jboss on linux system ...when i was try to 
./twiddle.sh get jboss.system:type=serverInfo FreeMemory ActiveThreadCount
10:15:54,822 ERROR [Twiddle] Exec failed
javax.management.InstanceNotFoundException: jboss.system:type=serverInfo is not registered.
        at org.jboss.mx.server.registry.BasicMBeanRegistry.get(BasicMBeanRegistry.java:509)
        at org.jboss.mx.server.MBeanServerImpl.getAttributes(MBeanServerImpl.java:545)
        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:585)
        at org.jboss.jmx.connector.invoker.InvokerAdaptorService.invoke(InvokerAdaptorService.java:250)
        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:585)
        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:119)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:131)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
        at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:242)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:642)
        at org.jboss.invocation.jrmp.server.JRMPInvoker$MBeanServerAction.invoke(JRMPInvoker.java:775)
        at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:382)
        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:585)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
        at sun.rmi.transport.Transport$1.run(Transport.java:153)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
        at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)
        at java.lang.Thread.run(Thread.java:595)
        at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:247)
        at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:223)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:126)
        at org.jboss.invocation.jrmp.server.JRMPInvoker_Stub.invoke(Unknown Source)
        at org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProxy.java:118)
        at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:96)
        at org.jboss.jmx.connector.invoker.client.InvokerAdaptorClientInterceptor.invoke(InvokerAdaptorClientInterceptor.java:58)
        at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:55)
        at org.jboss.proxy.ClientMethodInterceptor.invoke(ClientMethodInterceptor.java:59)
        at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:86)
        at $Proxy0.getAttributes(Unknown Source)
        at org.jboss.console.twiddle.command.GetCommand.execute(GetCommand.java:156)
        at org.jboss.console.twiddle.Twiddle.main(Twiddle.java:288)


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