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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6657) job history server can fail on startup when NameNode is in start phase
Date Tue, 17 May 2016 21:54:13 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated MAPREDUCE-6657:
----------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 2.9.0
           Status: Resolved  (was: Patch Available)

I have commit the patch to trunk and branch-2. Thanks [~haibochen] for contributing the patch
and [~templedf] and [~rkanter] for review and comments!

> job history server can fail on startup when NameNode is in start phase
> ----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6657
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6657
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>             Fix For: 2.9.0
>
>         Attachments: mapreduce6657.001.patch, mapreduce6657.002.patch, mapreduce6657.003.patch,
mapreduce6657.004.patch, mapreduce6657.005.patch, mapreduce6657.006.patch, mapreduce6657.007.patch
>
>
> Job history server will try to create a history directory in HDFS on startup. When NameNode
is in safe mode, it will keep retrying for a configurable time period.  However, it should
also keeps retrying if the name node is in start state. Safe mode does not happen until the
NN is out of the startup phase. 
> A RetriableException with the text "NameNode still not started" is thrown when the NN
is in its internal service startup phase. We should add the check for this specific exception
in isBecauseSafeMode() to account for that.



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