zookeeper服务验证报错：Error contacting service. It is probably not running.

目录

报错内容

报错原因

解决方案

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报错内容

ZooKeeper JMX enabled by default
Using config: /opt/zookeeper/bin/../conf/zoo.cfg
Error contacting service. It is probably not running.

报错原因

防火墙未关

解决方案

输入关闭防火墙命令

systemctl stop firewalld

输入禁止防火墙开机自动启动命令 

systemctl disable firewalld

输入查看防火墙状态命令，显示not running即为关闭成功，如下图

firewall-cmd --state