解决ZooKeeper集群节点状态报错Client address: localhost. Error contacting service. It is probably not running

Posted 2022-03-05 闭关苦炼内功

出现问题：

启动ZK三节点集群，master节点查看状态报错，另外两个节点均正常

看截图

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报错详情：

Client port found: 2181. Client address: localhost.

Error contacting service. It is probably not running.

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根本原因：

master节点没关墙

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终极解决方法：

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• 解法1：通过命令进入cd /usr/local/zookeeper/data中找到zookeeper_server.pid文件，然后干掉它，重启zookeeper集群
  
• 解法2：关闭防火墙，systemctl stop firewalld.service，重启zookeeper。
  
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一定要注意细节，搞之前就要关墙

做技术，一定要严谨！！！