zookeeper 启动失败,报错 “ZooKeeper JMX enabled by default”
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大数据
zookeeper启动时,出现如下情况:
====== zookeeper node1 启动 ========== [root@node1 conf]# zkServer.sh start JMX enabled by default Using config: /usr/local/zookeeper-3.4.6/bin/../conf/zoo.cfg Starting zookeeper ... STARTED ====== zookeeper node2 启动 ========== [root@node2 ~]# zkServer.sh start JMX enabled by default Using config: /usr/local/zookeeper-3.4.6/bin/../conf/zoo.cfg Starting zookeeper ... STARTED ====== zookeeper node3启动 ========== [root@node3 ~]# zkServer.sh start JMX enabled by default Using config: /usr/local/zookeeper-3.4.6/bin/../conf/zoo.cfg Starting zookeeper ... STARTED
显示JMX是默认关闭的
通过jps命令查看进程时,没有QuorumPeerMain这个进程
网上有很多方法,有说关闭防火墙的,
也有说把命令改成 ./zkServer.sh start
[root@node3 bin]# ./zkServer.sh start JMX enabled by default Using config: /usr/local/zookeeper-3.4.6/bin/../conf/zoo.cfg Starting zookeeper ... STARTED [root@node3 bin]# ./zkServer.sh status JMX enabled by default Using config: /usr/local/zookeeper-3.4.6/bin/../conf/zoo.cfg Error contacting service. It is probably not running.
我都尝试过,和上面效果一样,均无法启动(可能每一个人的解决办法都不一样)
解决方案
在 zkServer.sh 文件的开头部分,加上jdk环境变量信息
找到zkServer.sh文件,就找安装的zookeeper路径的bin目录下
[root@node1 ~]# cd /usr/local/zookeeper-3.4.6/bin [root@node1 bin]# ls README.txt zkCli.cmd zkEnv.cmd zkServer.cmd zookeeper.out zkCleanup.sh zkCli.sh zkEnv.sh zkServer.sh [root@node1 bin]# vi zkServer.sh
添加JAVA_HOME的环境变量(这里要自己去查看自己配置的)
export JAVA_HOME=/usr/java/jdk1.8.0_281-amd64 export PATH=$JAVA_HOME/bin:$PATH

node1、node2、node3都进行添加
然后刷新语句变量:
source /etc/profile
再次输入启动zkServer.sh,查看开启状态
[root@node1 conf]# zkServer.sh start [root@node1 conf]# zkServer.sh status JMX enabled by default Using config: /usr/local/zookeeper-3.4.6/bin/../conf/zoo.cfg Error contacting service. It is probably not running.

重新运行脚本,查看jps,就可以找到QuorumPeerMain进程



同样的错误,每个人的解决方式可能不一样,但是我用这中方式成功启动ZooKeeper集群
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