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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6230) MR AM does not survive RM restart if RM activated a new AMRM secret key
Date Thu, 29 Jan 2015 11:36:36 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14296727#comment-14296727
] 

Hudson commented on MAPREDUCE-6230:
-----------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #822 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/822/])
MAPREDUCE-6230. Fixed RMContainerAllocator to update the new AMRMToken service name properly.
Contributed by Jason Lowe (jianhe: rev cff05bff1fe24628677d41a0d537f2c383b44faf)
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/rm/TestRMContainerAllocator.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerAllocator.java
* hadoop-mapreduce-project/CHANGES.txt


> MR AM does not survive RM restart if RM activated a new AMRM secret key
> -----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6230
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6230
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Blocker
>             Fix For: 2.7.0
>
>         Attachments: MAPREDUCE-6230.001.patch
>
>
> A MapReduce AM will fail to reconnect to an RM that performed restart in the following
scenario:
> # MapReduce job launched with AMRM token generated from AMRM secret X
> # RM rolls new AMRM secret Y and activates the new key
> # RM performs a work-preserving restart
> # MapReduce job AM now unable to connect to RM with "Invalid AMRMToken" exception



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