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https://issues.apache.org/jira/browse/MAPREDUCE-3499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194138#comment-13194138
 ] 

Alejandro Abdelnur commented on MAPREDUCE-3499:
-----------------------------------------------

John,

A couple of things:


#1

You changed the setting for the staging dir of *MiniMRYarnCluster* to '/tmp'. 
Why not the original resolution to the getTestWorkingDir() ? I know it resolves 
to 'target/...' and in projects like Pig/Hive which use ant and 'build/' dir 
this would break; but should you create a fresh dir under /tmp then? (using the 
File.createTempFile() method -you have to create the file, then delete it and 
then create a dir with that name).

#2

I had to tweak the test (how to create the list of valid hosts) to get it to 
work:

Instead doing *conf.set("hadoop.proxyuser." + proxyUser + ".hosts", 
"10.74.90.219,127.0.0.1");* I've done:

{code}
    StringBuilder sb = new StringBuilder();
    sb.append("127.0.0.1,localhost");
    for (InetAddress i : 
InetAddress.getAllByName(InetAddress.getLocalHost().getHostName())) {
      sb.append(",").append(i.getCanonicalHostName());
    }
    conf.set("hadoop.proxyuser." + proxyUser + ".hosts", sb.toString());
{code}

And then the test works.

Thanks.


                
> New MiniMR does not setup proxyuser configuration correctly, thus tests using 
> doAs do not work
> ----------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3499
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3499
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, test
>    Affects Versions: 0.23.1, 0.24.0
>            Reporter: Alejandro Abdelnur
>            Assignee: John George
>            Priority: Critical
>              Labels: bigtop
>             Fix For: 0.23.1, 0.24.0
>
>         Attachments: MR-3499.patch, TestForMAPREDUCE-3499.patch
>
>
> The new MiniMR implementation is not taking proxyuser settings.
> Because of this, testcases using/testing doAs functionality fail.
> This affects all Oozie testcases that use MiniMR.

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