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  • Hadoop运行startdfs.sh报ERROR: Attempting to operate on hdfs as root错误的解决方法

    错误提示:

    Starting namenodes on [master]
    ERROR: Attempting to operate on hdfs namenode as root
    ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation.
    
    Starting datanodes
    ERROR: Attempting to operate on hdfs datanode as root
    ERROR: but there is no HDFS_DATANODE_USER defined. Aborting operation.
    
    Starting secondary namenodes
    ERROR: Attempting to operate on hdfs secondarynamenode as root
    ERROR: but there is no HDFS_SECONDARYNAMENODE_USER defined. Aborting operation.
    
    Starting journal nodes
    ERROR: Attempting to operate on hdfs journalnode as root
    ERROR: but there is no HDFS_JOURNALNODE_USER defined. Aborting operation.
    
    Starting ZK Failover Controllers on NN hosts
    ERROR: Attempting to operate on hdfs zkfc as root
    ERROR: but there is no HDFS_ZKFC_USER defined. Aborting operation.

    原因:

    使用root账号启动服务,但没预先定义

    解决方法:

    * 该步骤需要在每台机都执行,也可以先在其中一台机修改,再用scp同步给其它机

    1.修改start-dfs.sh和stop-dfs.sh

    cd /home/hadoop/sbin
    vim start-dfs.sh
    vim stop-dfs.sh

    在头部添加以下内容:

    HDFS_ZKFC_USER=root
    HDFS_JOURNALNODE_USER=root
    HDFS_NAMENODE_USER=root
    HDFS_SECONDARYNAMENODE_USER=root
    HDFS_DATANODE_USER=root
    HDFS_DATANODE_SECURE_USER=root
    #HADOOP_SECURE_DN_USER=root

    2.修改start-yarn.sh和stop-yarn.sh

    cd /home/hadoop/sbin
    vim start-yarn.sh
    vim stop-yarn.sh

    在头部添加以下内容:

    #HADOOP_SECURE_DN_USER=root
    HDFS_DATANODE_SECURE_USER=root
    YARN_NODEMANAGER_USER=root YARN_RESOURCEMANAGER_USER=root

    3.同步到其它机

    cd /home/hadoop/sbin
    scp * c2:/home/hadoop/sbin
    scp * c3:/home/hadoop/sbin
    scp * c4:/home/hadoop/sbin
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  • 原文地址:https://www.cnblogs.com/live41/p/15636229.html
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