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解决：
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ZooKeeper JMX enabled by default
Using config: /opt/module/zookeeper-3.4.10/bin/../conf/
Stopping zookeeper ... /opt/module/zookeeper-3.4.10/bin/: 第 182 行:kill: (4149) - 不允许的操作
rm: 无法删除"/opt/module/zookeeper-3.4.10/zkData/zookeeper_server.pid": 权限不够
STOPPED的问题
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问题描述：
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在我关闭zookeeper集群的时候，发现报错
这里它说我们权限的不够，无法对该目录下的pid文件删除，那么我们赋予它权限就好了。
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有些人可能对文件赋予权限的做法是这样的。
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这是错误的。这样做其实只对zookeeper-3.4.10给予了权限，里面的文件并没有给予。
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解决方法：多加一个“-R”递归赋予文件夹权限。
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sudo chmod 777 -R zookeeper-3.4.10/
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重新执行 stop指令。
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问题解决，成功关闭zookeeper。
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