hadoop启动报错:Attempting to operate on hdfs namenode as root

在这里插入图片描述
在hadoop安装路径的 /hadoop/sbin路径下:
start-dfs.sh,stop-dfs.sh两个文件顶部添加以下参数

#!/usr/bin/env bash
HDFS_DATANODE_USER=root
HADOOP_SECURE_DN_USER=hdfs
HDFS_NAMENODE_USER=root
HDFS_SECONDARYNAMENODE_USER=root

还有,start-yarn.sh,stop-yarn.sh顶部也需添加以下:

#!/usr/bin/env bash
YARN_RESOURCEMANAGER_USER=root
HADOOP_SECURE_DN_USER=yarn
YARN_NODEMANAGER_USER=root

修改后重启 ./start-dfs.sh,成功!

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转载自blog.csdn.net/agatha_aggie/article/details/132836795