Hi,
I want to get the reference of the MBeanServer of my running JBOSS from
my standalone program.
And on the MBeanServer instance I want to invoke getVersionName() of the MBean
Server.
But after getting the Server Object Instance Class I can not type case to the
org.jboss.system.server.ServerImpl.
Code is given below : Can My Approach is OK ??
anonymous wrote : Hashtable env = new Hashtable();
| String factory = "org.jnp.interfaces.NamingContextFactory";
| env.put(Context.INITIAL_CONTEXT_FACTORY, factory);
| String url1 = "jnp://localhost:1099";
| env.put(Context.PROVIDER_URL, url1);
| Context ctx = new InitialContext(env);
|
|
| MBeanServerConnection mconn =
(MBeanServerConnection)ctx.lookup("jmx/invoker/RMIAdaptor");
| if(null!=mconn){
|
| ObjectName serverObj = new
ObjectName("jboss.system:type=Server");
| System.out.println("Version = " +
(String)mconn.getAttribute(serverObj, new String("Version")));
| ObjectInstance serverObjInst =
mconn.getObjectInstance(serverObj);
| System.out.println(serverObj + "\n\t Server Object Instance
Class Name =" + serverObjInst.getClassName());
|
|
|
if(mconn.isInstanceOf(serverObj,"org.jboss.system.server.ServerImpl")){
|
| System.out.println("-----------------------------");
|
| org.jboss.system.server.ServerImpl serverImpl =
(org.jboss.system.server.ServerImpl)mconn;
|
| System.out.println("@@ --- MBean Server Version name =
"+serverImpl.getVersionName());
| }
--------------------------------------------------------------------------------
I got the following exception
java.lang.ClassCastException: $Proxy0
at com.test.client.MDBLocater.test(MDBLocater.java:56)
at com.test.client.MDBLocater.main(MDBLocater.java:130)
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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:86)
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