hadoop退出安全模式Name node is in safe mode
2018-01-12 09:40
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在使用
实在不行还可以用如下方式：
hdfs的时候出现如下错误：
18/01/12 09:04:34 INFO fs.TrashPolicyDefault: Namenode trash configuration: Deletion interval = 0 minutes, Emptier interval = 0 minutes. rm: Cannot delete /spark/data/netflow/201801120325.txt. Name node is in safe mode.
hadoop处于安全模式，所以需要退出安全模式，一般以如下方法可以解决：
hadoop dfsadmin -safemode leave
实在不行还可以用如下方式：
hdfs dfsadmin -safemode leave
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