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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3727) jobtoken location property in jobconf refers to wrong jobtoken file
Date Sat, 04 Feb 2012 00:41:54 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13200208#comment-13200208

Hudson commented on MAPREDUCE-3727:

Integrated in Hadoop-Mapreduce-trunk-Commit #1669 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/1669/])
    MAPREDUCE-3727. jobtoken location property in jobconf refers to wrong jobtoken file (tucu)

tucu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1240410
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/JobSubmitter.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/TokenCache.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/security/TestTokenCache.java

> jobtoken location property in jobconf refers to wrong jobtoken file
> -------------------------------------------------------------------
>                 Key: MAPREDUCE-3727
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3727
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.23.1, 1.0.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>            Priority: Critical
>             Fix For: 0.23.1, 1.1.0
>         Attachments: MAPREDUCE-3727-branch1.patch, MAPREDUCE-3727.patch
> Oozie launcher job (for MR/Pig/Hive/Sqoop action) reads the location of the jobtoken
file from the *HADOOP_TOKEN_FILE_LOCATION* ENV var and seeds it as the *mapreduce.job.credentials.binary*
property in the jobconf that will be used to launch the real (MR/Pig/Hive/Sqoop) job.
> The MR/Pig/Hive/Sqoop submission code (via Hadoop job submission) uses correctly the
injected *mapreduce.job.credentials.binary* property to load the credentials and submit their
MR jobs.
> The problem is that the *mapreduce.job.credentials.binary* property also makes it to
the tasks of the MR/Pig/Hive/Sqoop MR jobs.
> If for some reason the MR/Pig/Hive/Sqoop MR code does some logic that triggers the credential
loading, because the property is set, the credential loading fails trying to load a jobtoken
file of the launcher job which does not exists in the context of the MR/Pig/Hive/Sqoop jobs.
> More specifically, we are seeing this happening with certain hive queries that trigger
a conditional code within their RowContainer which then uses the FileInputFormat.getSplits()
and then the TokenCache tries to load credentials for a file that is for the wrong job.

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