Home Forums HDP on Linux – Installation Datanode issue

This topic contains 2 replies, has 2 voices, and was last updated by  Selvam Palanisamy 7 months, 2 weeks ago.

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  • #51223

    Selvam Palanisamy
    Participant

    Hi All,
    Am trying to install Hortonworks Hadoop single node cluster, am able to start namenode,secondary namenode but datanode failed with the below error. Can you please advice me on how to solve this issue.

    “2014-04-04 18:22:49,975 FATAL datanode.DataNode (DataNode.java:secureMain(1841)) – Exception in secureMain java.lang.RuntimeException: Although a UNIX domain socket path is configured as /var/lib/hadoop-hdfs/dn_socket, we cannot start a localDataXceiverServer because libhadoop cannot be loaded.”

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  • #51300

    Selvam Palanisamy
    Participant

    Hi Dave ,
    Thanks for the reply, I installed manually. I tried installing in another machine it worked fine . But still the old server is failing with same error.
    Can you please tell me which parameter i need to set?

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    #51242

    Dave
    Moderator

    Hi Selvam,

    Did you manually install the cluster or did you use Ambari?

    It looks like you have not set the environment variables correctly.

    Thanks

    Dave

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