解决There are 0 datanode(s) running and no node(s) are excluded in this operation.
linux-dash
A beautiful web dashboard for Linux
项目地址:https://gitcode.com/gh_mirrors/li/linux-dash
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解决There are 0 datanode(s) running and no node(s) are excluded in this operation.
出现上述问题可能是格式化两次hadoop,导致没有datanode
解决方法1:重启linux,再使用start-dfs.sh和start-yarn.sh 重启一下hadoop
解决办法2:找到hadoop安装目录下 hadoop-2.4.1/data/dfs/data里面的current文件夹删除
然后从新执行一下 hadoop namenode -format
再使用start-dfs.sh和start-yarn.sh 重启一下hadoop
用jps命令看一下就可以看见datanode已经启动了
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A beautiful web dashboard for Linux
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