List<GarbageCollectorMXBean> mxBeans = ManagementFactory
        .getGarbageCollectorMXBeans();

    for (GarbageCollectorMXBean gcBean : mxBeans) {
      NotificationEmitter emitter = (NotificationEmitter) gcBean;
      NotificationListener listener = new NotificationListener() {
        @Override
        public void handleNotification(Notification notification,
                                       Object handle) {
          if (notification.getType().equals(GarbageCollectionNotificationInfo
              .GARBAGE_COLLECTION_NOTIFICATION)) {
            GarbageCollectionNotificationInfo info =
                GarbageCollectionNotificationInfo.from(
                    (CompositeData) notification.getUserData());

            if (LOG.isInfoEnabled()) {
              LOG.info("gcmonitor: name = " + info.getGcName() +
                  ", action = " + info.getGcAction() + ", cause = " +
                  info.getGcCause() + ", duration = " +
                  info.getGcInfo().getDuration() + "ms");
            }
       
          }
        }