Here you can find the source of getMBeanServer()
public static MBeanServer getMBeanServer()
//package com.java2s; /**//w w w . j a v a 2s. c o m * Copyright (C) 2011-2012 BonitaSoft S.A. * BonitaSoft, 31 rue Gustave Eiffel - 38000 Grenoble * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2.0 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.ArrayList; import javax.management.MBeanServer; import javax.management.MBeanServerFactory; public class Main { private static MBeanServer mbserver = null; public static MBeanServer getMBeanServer() { if (mbserver == null) { final ArrayList<MBeanServer> mbservers = MBeanServerFactory .findMBeanServer(null); if (mbservers.size() > 0) { mbserver = mbservers.get(0); } if (mbserver == null) { mbserver = MBeanServerFactory.createMBeanServer(); } } return mbserver; } }