hadoop 异常
<!--[if !supportLists]-->5.??????<!--[endif]-->Ok
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2. 运行hadoop程序时， 中途我把它终止了，然后再向hdfs加文件或删除文件时，出现Namenode is in safe mode错误：?
rmr: org.apache.hadoop.dfs.SafeModeException:Cannot delete /user/hadoop/input. Name node is in safe mode?
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解决的命令：?
bin/hadoop dfsadmin -safemodeleave? 关闭safe mode?
