MBeanUtil.java 文件源码

/**
 * Unregisters all GemFire MBeans and then releases the MBeanServer for
 * garbage collection.
 */
static void releaseMBeanServer() {
  try {
    // unregister all GemFire mbeans...
    Iterator iter = mbeanServer.queryNames(null, null).iterator();
    while (iter.hasNext()) {
      ObjectName name = (ObjectName)iter.next();
      if (name.getDomain().startsWith(DEFAULT_DOMAIN)) {
        unregisterMBean(name);
      }
    }

    // last, release the mbean server...
    MBeanServerFactory.releaseMBeanServer(mbeanServer);
    mbeanServer = null;
  } catch (JMRuntimeException e) { 
    logStackTrace(LogWriterImpl.WARNING_LEVEL, e); 
    } 
 /* See #42391. Cleaning up the static maps which might be still holding  
  * references to ManagedResources */ 
  synchronized (MBeanUtil.managedResources) { 
    MBeanUtil.managedResources.clear(); 
  } 
  synchronized (refreshClients) { 
    refreshClients.clear();
  }
  /* See #42391. Cleaning up the static maps which might be still holding 
   * references to ManagedResources */
  synchronized (MBeanUtil.managedResources) {
    MBeanUtil.managedResources.clear();
  }
  synchronized (refreshClients) {
    refreshClients.clear();
  }
}