zkServer.registerServerShutdownHandler( new ZooKeeperServerShutdownHandler(shutdownLatch));
zkServer.registerServerShutdownHandler( new ZooKeeperServerShutdownHandler(shutdownLatch));
zkServer.registerServerShutdownHandler( new ZooKeeperServerShutdownHandler(shutdownLatch));
zkServer.registerServerShutdownHandler( new ZooKeeperServerShutdownHandler(shutdownLatch));