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Posted to dev@tajo.apache.org by "Jihoon Son (JIRA)" <ji...@apache.org> on 2013/10/31 12:49:18 UTC
[jira] [Commented] (TAJO-295) ConcurrentModificationException in
TaskScheduler
[ 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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