Error contacting service. It is probably not running when zookeeper is configured

After the zookeeper cluster is configured, the three nodes are started as follows:

[[Email protected] bin] # zkserver. Sh start
JMX enabled by default
Using config:/usr/local/ZK/bin/../CONF/zoo. cfg
Starting zookeeper... started

When viewing the zookeeper status

[[Email protected] bin] # zkserver. Sh status
JMX enabled by default
Using config:/usr/local/ZK/bin/../CONF/zoo. cfg
Error contacting service. It is probably not running.

The other two nodes are actually normal. Finally, check the configuration Zoo. CFG configuration indicates that the Host Name of the node is incorrect. Stop the zookeeper service on the three nodes and modify the zoo on the nodes one by one. the CFG configuration file is started one by one, and the result is displayed normally;

Error contacting service. It is probably not running when zookeeper is configured