Zookeeper集群启动后查询状态提示Error contacting service. It is probably not running.

看到这个问题我就去找zookeeper的日志文件zookeeper.out
查看报错原因：

2020-03-30 21:03:06,726 [myid:3] - WARN  [QuorumPeer[myid=3]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@400] - Cannot open channel to 1 at election address /49.232.7.89:3888
java.net.ConnectException: Connection refused (Connection refused)
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

连接被拒绝了，起初我一直以为是云主机安全组没设置好，整了半天还是没用，后来在网上终于找答案了
修改zookeeper的配置文件zoo.cfg文件，将本机的ip改为0.0.0.0就OK了

root@hadoop03 bin]# ./zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /home/software/zookeeper-3.4.7/bin/../conf/zoo.cfg
Mode: leader

究其原因我也搞不清出，希望有看到帖子的大佬指点下，谢谢

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