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From "Jinho Kim (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TAJO-295) ConcurrentModificationException in TaskScheduler
Date Thu, 31 Oct 2013 11:17:18 GMT
Jinho Kim created TAJO-295:
------------------------------

             Summary: 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


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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