 		_config = ProjectConfig.getZookeeperConf()
 		_clusterList = _config.clusterList
 		_retries = _config.retries || 3
-		_sessionTimeout = _config.sessionTimeout || 10000
+		_sessionTimeout = _config.sessionTimeout || 2000
 		_connectTimeout = _config.connectTimeout || 2000
 
 		@_client = ZK.createClient(_clusterList, {


	_initEventListener : ->
		@_client.on("disconnected", ()->
			console.log("ZKClient receive event:disconnected")
			@isConnected = false
		)
		@_client.on("connected", ()->
			console.log("ZKClient receive event:connected")
			@isConnected = true
		)
		@_client.on("connectedReadOnly", ()->
			console.log("ZKClient receive event:connectedReadOnly")
		)
		@_client.on("expired", ()->
			console.log("ZKClient receive event:expired")
		)
		@_client.on("authenticationFailed", ()->
			console.log("ZKClient receive event:authenticationFailed")
		)
		
	exists : (path, val, cb)->

						if err.getCode() == ZK.Exception.NO_NODE
							Log.error("NO_NODE found for path: #{path}")
							return
						else if err.getCode() == ZK.Exception.CONNECTION_LOSS
							@_client.connect()
						if cb
							return cb(err, null, null)
						else
