Hadoop 解除 Name node is in safe mode
2013-02-26 11:38
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Hadoop 解除 Name node is in safe mode
当运行命令:Hadoop 解除 Name node is in safe mode出现如下错误:put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create directory /user/root/in/input. Name node is in safe mode.
解决方法:运行#hadoop dfsadmin -safemode leave //强制NameNode离开安全模式
hadoop dfsadmin -safemode value 该命令用来操作安全模式,其中参数value的说明如下:
enter 进入安全模式
leave 强制NameNode离开安全模式
[align=left]get 返回安全模式是否开启的信息[/align]
wait 等待,一直到安全模式结束
当运行命令:Hadoop 解除 Name node is in safe mode出现如下错误:put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create directory /user/root/in/input. Name node is in safe mode.
解决方法:运行#hadoop dfsadmin -safemode leave //强制NameNode离开安全模式
hadoop dfsadmin -safemode value 该命令用来操作安全模式,其中参数value的说明如下:
enter 进入安全模式
leave 强制NameNode离开安全模式
[align=left]get 返回安全模式是否开启的信息[/align]
wait 等待,一直到安全模式结束
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