Zookeeper：“Error contacting service. It is probably not running.”
Zookeeper配置集群后，启动会报“Error contacting service. It is probably not running.”# ./zkServer.sh status
JMX enabled by default
Using config: /opt/zookeeper/bin/../conf/zoo.cfg
Error contacting service. It is probably not running.
原因，上一次启动时port被占用
# netstat -ptnl |grep 2181
tcp 0 0 :::2181 :::* LISTEN 9907/java
解决办法：
# kill -9 9907
# ./zkServer.sh stop
JMX enabled by default
Using config: /opt/zookeeper/bin/../conf/zoo.cfg
Stopping zookeeper ... ./zkServer.sh: line 143: kill: (16797) - No such process
STOPPED
# ./zkServer.sh start
JMX enabled by default
Using config: /opt/zookeeper/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED
# ./zkServer.sh status
JMX enabled by default
Using config: /opt/zookeeper/bin/../conf/zoo.cfg
Mode: follower
#
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