CuratorFramework client = builder.connectString(server.getConnectString()).namespace("aisa").retryPolicy(new RetryOneTime(1)).build();
client.start();
try
{
final BlockingQueue<String> queue = new LinkedBlockingQueue<String>();
CuratorListener listener = new CuratorListener()
{
@Override
public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.EXISTS )