hadoop NameNode is in safe mode
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刚刚打算删除hadoop hdfs里面的文件重新生成一份,结果给我弹出个错误信息。
网上百度了下,解决方法好几种
1.有的使用命令方式,可以参考这里:http://blog.csdn.net/isoleo/article/details/41079073(还有很多解决方式,可自行百度)
2.其实最简单粗暴的方法就是重启hadoop,执行stop-all.sh关掉以后,再执行start-all.sh。我就是这样解决的
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