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https://issues.apache.org/jira/browse/PHOENIX-6342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17273096#comment-17273096
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Chinmay Kulkarni commented on PHOENIX-6342:
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Since RC-0 for 4.16 isn't out yet and this looks like a critical bug, do we
want to include this in 4.16 [~stoty][~yanxinyi]? If yes, let's modify the
fixedVersion to 4.16 so it shows up in release notes.
> RoundRobinResultIterator doesn't close itself when result size = fetchsize-1
> ----------------------------------------------------------------------------
>
> Key: PHOENIX-6342
> URL: https://issues.apache.org/jira/browse/PHOENIX-6342
> Project: Phoenix
> Issue Type: Sub-task
> Components: core
> Affects Versions: 4.15.0, 5.1.0
> Reporter: Istvan Toth
> Assignee: Istvan Toth
> Priority: Blocker
> Fix For: 5.1.0, 4.17.0
>
>
> RoundRobinResultIterator is mising a close() method call when the last record
> read causes the final increment to numScannersCacheExhausted.
> Most of the time this isn't fatal, as the next next() call will close the
> scanners, and call close(), but in some hard to reproduce cases, the
> iterators will reset, and keep sending their results again and again in an
> infinite loop.
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