在Zookeeper下的bin目录执行
./zkCli.sh
提示错误信息：
INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1025] - Opening socket connection to server localhost/0:0:0:0:0:0:0:1:2181. Will not attempt to authenticate using SASL (unknow n error)
解决：重启Zookeeper服务
sh zkServer.sh start
