成功解决ZooKeeper配置中出现Error contacting service. It is probably not running

安装zookeeper时候，可以查看进程启动，但是状态显示报错：Error contacting service. It is probably not running   安装zookeeper-3.4.9的时候，启动正常没报错，   但 ./zkServer.sh status查看状态的时候却出现错误，如下： JMX enabled by default Using config: /opt/

>>阅读原文<<