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From "Harsh J (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-1109) ConcurrentModificationException in jobtracker.jsp
Date Mon, 19 Mar 2012 20:21:44 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J updated MAPREDUCE-1109:
-------------------------------

          Resolution: Fixed
       Fix Version/s: 1.1.0
            Assignee: Harsh J  (was: dhruba borthakur)
    Target Version/s:   (was: 1.1.0)
              Status: Resolved  (was: Patch Available)

The concurrency tests for the switched methods are already available as separate tests from
other fixes before this.

Committed to branch-1.
                
> ConcurrentModificationException in jobtracker.jsp
> -------------------------------------------------
>
>                 Key: MAPREDUCE-1109
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1109
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.20.1
>            Reporter: dhruba borthakur
>            Assignee: Harsh J
>             Fix For: 1.1.0
>
>         Attachments: MAPREDUCE-1109.patch
>
>
> The jobtracker.jsp invoked methods tracker.runningJobs(), tracker.completedJobs() and
tracker.failedJobs() but these methods are not synchronized and can cause ConcurrentModificationException
if the JT is concurrently changing the contents of these datastructures.

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