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https://issues.apache.org/jira/browse/MAPREDUCE-1745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071246#comment-13071246
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Devaraj K commented on MAPREDUCE-1745:
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As per the code, when we give relative dir it is always resolving to the home
dir of proxy user and not the super user.
I am not able to reproduce this issue. Is there any specific case to reproduce
it?
> FileInputFormat.setInputPaths() has sideffects on the passed conf besides
> setting the input.dir path
> ----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1745
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1745
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Dick King
>
> it sets other props, like {{mapred.working.dir}} , it sets this using the
> current user (which may be the superuser), then
> the job submission for a proxy user fails because the {{mapred.working.dir}}
> is not the right one for the proxy user.
> This is observed when using relative directories, they are resolved to the
> homeDir of the superuser instead of the
> proxy user.
> I did not check, but I suspect the {{FileOutputForamt.setOutputPath()}} may
> have similar side effects
> There is a workaround, setting up the {{mapred.input.dir}} and
> {{mapred.output.dir}} directly by hand in the conf instead using
> the methods above
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