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https://issues.apache.org/jira/browse/MAPREDUCE-4872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth resolved MAPREDUCE-4872.
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Resolution: Won't Fix
I'm going to close this as won't fix. In practice, this doesn't really cause
anything to break, because even on Windows, the container launch script
explicitly sets a value for the {{PWD}} environment variable. Even though this
environment variable name is more of a Unix-like convention, there isn't a
compelling reason to make a change.
> MapReduce JVM launch does not use correct working directory on Windows
> ----------------------------------------------------------------------
>
> Key: MAPREDUCE-4872
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4872
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Fix For: trunk-win
>
> Attachments: MAPREUCE-4872-branch-trunk-win.1.patch
>
>
> {{MapReduceChildJVM#getVMCommand}} sets java.io.tmpdir by using environment
> variable PWD as the root of the path. On Windows, %PWD% likely will not be
> defined. Instead, we need to use %CD%. Any part of the codebase that uses
> {{Environment#PWD}} is likely to be impacted by this.
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