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

解决There are 0 datanode(s) running and no node(s) are excluded in this operation.相关推荐

There are 0 datanode(s) running and no node(s) are excluded in this operation.
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解决There are 0 datanode(s) running and no node(s) are excluded in this operation.

解决There are 0 datanode(s) running and no node(s) are excluded in this operation.

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

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