Here you can find the source of getMBeanServer()
private static MBeanServer getMBeanServer()
//package com.java2s; /*//w w w .j av a 2s. com Copyright 2013 Nationale-Nederlanden Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ import java.util.List; import javax.management.MBeanServer; import javax.management.MBeanServerFactory; public class Main { private static MBeanServer getMBeanServer() { List servers = MBeanServerFactory.findMBeanServer(null); return servers == null || servers.size() == 0 ? null : (MBeanServer) servers.get(0); } }