[jira] [Commented] (UIMA-5313) Can get concurrent modification when closing the threads attached to a DUCC AP

["J William Murdock (JIRA)" <de...@uima.apache.org>]

    [ https://issues.apache.org/jira/browse/UIMA-5313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15868594#comment-15868594 ] 

J William Murdock commented on UIMA-5313:
-----------------------------------------

We've only seen this once.  It was 20 hours into a reservation that was using a huge amount of memory and processing power, so we might have overwhelmed something.  If it happens again, I will post an update.

> Can get concurrent modification when closing the threads attached to a DUCC AP
> ------------------------------------------------------------------------------
>
>                 Key: UIMA-5313
>                 URL: https://issues.apache.org/jira/browse/UIMA-5313
>             Project: UIMA
>          Issue Type: Bug
>            Reporter: Burn Lewis
>            Priority: Minor
>             Fix For: future-DUCC
>
>
> id:32044 state:Completed
> id:32044 rationale:code=0
> id:32044 rc:0
> java.util.ConcurrentModificationException
>     at java.util.HashMap$HashIterator.nextEntry(HashMap.java:934)
>     at java.util.HashMap$ValueIterator.next(HashMap.java:962)
>     at org.apache.uima.ducc.cli.ConsoleListener.shutdown(ConsoleListener.java:89)
>     at org.apache.uima.ducc.cli.CliBase.monitorExits(CliBase.java:677)
>     at org.apache.uima.ducc.cli.MonitorListener.run(MonitorListener.java:92)
>     at java.lang.Thread.run(Thread.java:809)



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