Here you can find the source of getMBeanServer()
public static MBeanServer getMBeanServer() throws Exception
//package com.java2s; /*/*from w w w. j ava 2 s . co m*/ * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 javax.management.MBeanServer; import javax.management.MBeanServerFactory; public class Main { protected static MBeanServer mbeanServer = null; public static MBeanServer getMBeanServer() throws Exception { if (mbeanServer == null) { if (MBeanServerFactory.findMBeanServer(null).size() > 0) { mbeanServer = MBeanServerFactory.findMBeanServer(null).get(0); } else { mbeanServer = MBeanServerFactory.createMBeanServer(); } } return mbeanServer; } }