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From "Jihoon Son (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-295) ConcurrentModificationException in TaskScheduler
Date Thu, 31 Oct 2013 11:49:18 GMT

    [ https://issues.apache.org/jira/browse/TAJO-295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13810173#comment-13810173
] 

Jihoon Son commented on TAJO-295:
---------------------------------

+1

This patch looks good to me.

> 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
>         Attachments: TAJO-295.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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