Not able to shutdown the EAP 5 by using shutdown.sh script.

Issue

• shutdown.sh script is not working as expected.
• Getting the below exception while shutting down the JBoss EAP 5.2

Exception in thread "main" java.lang.reflect.UndeclaredThrowableException
        at com.sun.proxy.$Proxy2.shutdown(Unknown Source)
        at org.jboss.Shutdown.main(Shutdown.java:248)
Caused by: javax.management.InstanceNotFoundException: jboss.system:type=JVMShutdown is not registered.
        at org.jboss.mx.server.registry.BasicMBeanRegistry.get(BasicMBeanRegistry.java:534)
        at org.jboss.mx.server.MBeanServerImpl.getClassLoaderFor(MBeanServerImpl.java:1062)
        at org.jboss.jmx.connector.invoker.InvokerAdaptorService.invoke(InvokerAdaptorService.java:214)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)