private CuratorFramework zk;
private WatcherCallBack watcher;
public DistributedClusterState(Map _conf) throws Exception {
conf = _conf;
zkobj = new Zookeeper();
CuratorFramework _zk = mkZk();
String path = String.valueOf(conf.get(Config.STORM_ZOOKEEPER_ROOT));
zkobj.mkdirs(_zk, path);
_zk.close();