运行bin/hdfs zkfc -formatZK报错

[济南彭于晏]

19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:java.library.path=/export/servers/hadoop-2.7.5/lib/native
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=/tmp
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:java.compiler=<NA>
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:os.name=Linux
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:os.arch=amd64
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:os.version=3.10.0-957.el7.x86_64
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:user.name=root
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:user.home=/root
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Client environment:user.dir=/export/servers/hadoop-2.7.5
19/04/13 22:56:14 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=node01:8020,node02:8020,node03:8020 sessionTimeout=5000 watcher=org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef@49139829
19/04/13 22:56:14 INFO zookeeper.ClientCnxn: Opening socket connection to server node01.hadoop.com/59.13.227.14:8020. Will not attempt to authenticate using SASL (unknown error)
19/04/13 22:56:14 WARN zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: 拒绝连接
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
19/04/13 22:56:14 INFO zookeeper.ClientCnxn: Opening socket connection to server node02.hadoop.com/59.13.227.133:8020. Will not attempt to authenticate using SASL (unknown error)
19/04/13 22:56:14 WARN zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect

大神求救，这是啥情况啊。。。防火墙也关了啊。。。