Datanode not starting

This topic contains 1 reply, has 2 voices, and was last updated by  Robert 1 year, 5 months ago.

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  • #32657

    Ardavan Moinzadeh
    Participant

    I am getting the follwing error when I try to start my datanode
    starting datanode, logging to /usr/lib/hadoop/libexec/../logs/hadoop-hdfs-datanode-node13.out
    Error: JAVA_HOME is not set.
    Namenode and SNN are coming up with no issue,

    Thank you

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  • #32872

    Robert
    Participant

    Hi Ardavan,
    Did you use ambari installation or used manual rpm ? Is this is a single node cluster? It looks like you didn’t set your java_home properly.

    Regards,
    Robert

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