ClusterJmxHelper.java 文件源码

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;
}