[jira] [Updated] (MAPREDUCE-3736) Variable substitution depth too large for fs.default.name causes jobs to fail

["Ahmed Radwan (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ahmed Radwan updated MAPREDUCE-3736:
------------------------------------

    Assignee: Ahmed Radwan
    
> Variable substitution depth too large for fs.default.name causes jobs to fail
> -----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3736
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3736
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1
>            Reporter: Eli Collins
>            Assignee: Ahmed Radwan
>            Priority: Blocker
>
> I'm seeing the same failure as MAPREDUCE-3462 in downstream projects running against a recent build of branch-23. MR-3462 modified the tests rather than fixing the framework. In that jira Ravi mentioned "I'm still ignorant of the change which made the tests start to fail. I should probably understand better the reasons for that change before proposing a more generalized fix." Let's figure out the general fix (rather than require all projects to set mapreduce.job.hdfs-servers in their conf we should fix this in the framework). Perhaps we should not default this config to "$fs.default.name"?

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