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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4554) Job Credentials are not transmitted if security is turned off
Date Tue, 02 Oct 2012 19:19:08 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13467989#comment-13467989
] 

Robert Joseph Evans commented on MAPREDUCE-4554:
------------------------------------------------

I am not really sure what happened here with the test failure.  The test passes for me when
I run it myself.  Looking more closely at the failures, two of them seem to be because the
recovery could not find the jhist file to recover from.  One of them appears to be a bit of
a race, but I don't really know for sure. Either way I don't think they are caused by the
patch.  I think it is more likely that they are caused by two people running the tests at
the same time on the same box.  Local runner collides that way.

The patch looks OK to me for the most part.  I would like to see the comments and class names
in CredentialsTestJob updated, because they still refer to sleep, almost like they were copied
and pasted from sleep job.  But that is it.
                
> Job Credentials are not transmitted if security is turned off
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-4554
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4554
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: job submission, security
>    Affects Versions: 2.0.0-alpha
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>             Fix For: trunk
>
>         Attachments: MR_4554_trunk.patch, MR_4554_trunk.patch, MR_4554_trunk.patch, MR_4554_trunk.patch,
MR_4554_trunk.patch, MR_4554_trunk.patch, MR_4554_trunk.patch, MR_4554_trunk.patch
>
>
> Credentials (secret keys) can be passed to a job via mapreduce.job.credentials.json or
mapreduce.job.credentials.binary .
> These credentials get submitted during job submission and are made available to the task
processes.
> In HADOOP 1, these credentials get submitted and routed to task processes even if security
was off.
> In HADOOP 2 , these credentials are transmitted only when the security is turned on.
> This should be changed for two reasons:
> 1) It is not backward compatible.

> 2) Credentials should be passed even if security is turned off .

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