[jira] [Commented] (MESOS-2390) HADOOP_HOME no longer works with fetcher

["Benjamin Mahler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-2390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14334115#comment-14334115 ] 

Benjamin Mahler commented on MESOS-2390:
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Sounds like a 0.22.0 'Blocker' then?

> HADOOP_HOME no longer works with fetcher
> ----------------------------------------
>
>                 Key: MESOS-2390
>                 URL: https://issues.apache.org/jira/browse/MESOS-2390
>             Project: Mesos
>          Issue Type: Bug
>          Components: fetcher, hadoop
>    Affects Versions: 0.22.0
>            Reporter: Adam B
>            Assignee: Bernd Mathiske
>              Labels: fetcher, hadoop, hdfs, mesosphere
>
> As of commit "699e638ef80739203ed38ba7238bbc176b107355 Consolidate all fetcher env vars into one that holds a JSON object." the HADOOP_HOME environment variable is no longer set when starting the fetcher, which means that hdfs.hpp's HDFS() will no longer look for the hadoop binary inside the user-provided HADOOP_HOME, whether it was specified via --hadoop_home or the HADOOP_HOME env variable.
> This is a regression in functionality from Mesos 0.21 and before, and breaks the use of HDFS when not installed in the slave's PATH. The future fetcher patch(es) for 0.23+ fixes this, but we need something in 0.22 to prevent regression.



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