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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-295) ConcurrentModificationException in TaskScheduler
Date Fri, 01 Nov 2013 03:08:19 GMT

    [ https://issues.apache.org/jira/browse/TAJO-295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13811000#comment-13811000
] 

Hudson commented on TAJO-295:
-----------------------------

SUCCESS: Integrated in Tajo-trunk-postcommit #546 (See [https://builds.apache.org/job/Tajo-trunk-postcommit/546/])
TAJO-295: ConcurrentModificationException in TaskScheduler. (jinho) (jinossy: https://git-wip-us.apache.org/repos/asf?p=incubator-tajo.git&a=commit&h=5dbdd26d76786b22aea38bebfa0b5ad460eebddd)
* CHANGES.txt
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/TaskSchedulerImpl.java


> ConcurrentModificationException in TaskScheduler
> ------------------------------------------------
>
>                 Key: TAJO-295
>                 URL: https://issues.apache.org/jira/browse/TAJO-295
>             Project: Tajo
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.2-incubating
>            Reporter: Jinho Kim
>            Assignee: Jinho Kim
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-295.patch, TAJO-295_2.patch, TAJO-295_3.patch
>
>
> TaskSchedulerImpl.java throws ConcurrentModificationException while assigning task.
> {code}
> 2013-10-31 14:29:04,411 INFO  querymaster.Query (Query.java:handle(447)) - Processing
q_1383197276362_0001 of type INIT_COMPLETED
> Exception in thread "Thread-23" 2013-10-31 14:29:04,536 INFO  event.TaskS
>         at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
>         at java.util.HashMap$KeyIterator.next(HashMap.java:828)
>         at org.apache.tajo.master.TaskSchedulerImpl$ScheduledRequests.assignToNonLeafTasks(TaskSchedulerImpl.java:505)
>         at org.apache.tajo.master.TaskSchedulerImpl.schedule(TaskSchedulerImpl.java:201)
> {code}



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