HVR test location gets a HDFS permission error

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    Herman Verheul
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    Problem;

    HVR location test fails with HDFS permission errors;
    F_JG0B15: Error while inspecting url ‘hdfs://hdm1.gphd.local//apps/g00004’. Error: Permission denied.
    F_JG0B00: The previous error occurred while trying to hdfs sense ‘hdfs://lg396677:!{XOBUxbi/IwTmZYab5OPlVP8h}!@hdm1.gphd.local/apps/g00004’.
    F_JT04A1: The previous error occurred between a slave HVR version 4.7.3/41 executable and a parent HVR version 4.7.3/39 executable.

    On Linux prompt, create or read directories or files in /apps/g00004 or /user/lg396677 is working fine.

    Cause;

    System had a custom wrapper executable /usr/bin/hadoop that first sourced a config file before running $HADOOP_HOME/bin/hadoop.

    HVR expects hadoop executable to be $HADOOP_HOME/bin/hadoop to query information about the hadoop installation. This executable does not use the config file which sets the correct environment for this specific hadoop installation.

    Solution;

    Source the config file, which was called by /usr/bin/hadoop, before running the hvrremotelistener. This makes sure hvrremotelistener has the correct HADOOP environment variables.

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