consumer unable to connect zookeeper

[limwesley]

ConsumerConfiguration consumer = new ConsumerConfiguration()
            {
                AutoCommit = true,
                GroupId ="microsoft_console_group",
                ZooKeeper = new ZooKeeperConfiguration("10.0.0.4:2181",0,6000,2000)
            };
            ZookeeperConsumerConnector zoo = new ZookeeperConsumerConnector(consumer, true);

throw error at
zookeeperIntegration\zookeeperconnection.cs
this._zkclient = new ZooKeeper(this.Servers, new TimeSpan(0, 0, 0, 0, this.SessionTimeout), watcher);
said unable to connect to zookeeper
try to check my zookeeper it was working fine and able to telnet to 10.0.0.4 and used terminal console to connect, any method to solve this ?