Error occurs when opening the server

[mickshi]

2014-05-14 16:53:30,131 INFO [main] zookeeper.ZooKeeper(438): Initiating client connection, connectString=127.0.0.1:2181 sessionTimeout=5000 watcher=consistent.ConsistentTimeServerWatcher@25d8a8b
2014-05-14 16:59:22,269 INFO [main-SendThread(127.0.0.1:2181)] zookeeper.ClientCnxn$SendThread(966): Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2014-05-14 16:59:23,272 WARN [main-SendThread(127.0.0.1:2181)] zookeeper.ClientCnxn$SendThread(1089): Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:692)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)

In StartServer.java I have changed it to:
HostPort hostPort = new HostPort("", 10086);
And nothing changed in result.
Apparently this config doesn't work.