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https://issues.apache.org/jira/browse/SOLR-7836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14698050#comment-14698050
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Erick Erickson commented on SOLR-7836:
--------------------------------------
[[email protected]] Glad to see you're seeing the same thing I saw, senility
is not here yet!
I looked at the StressTestReorder when I got back home tonight and 1,000
iterations went through fine. Whew!
I'll remove the extra synch in DUH2 and run the tests tonight to see what
happens, along with some additional debugging in case we hit the null pointer
exception again. Not a clue what's happening there.
> Possible deadlock when closing refcounted index writers.
> --------------------------------------------------------
>
> Key: SOLR-7836
> URL: https://issues.apache.org/jira/browse/SOLR-7836
> Project: Solr
> Issue Type: Bug
> Reporter: Erick Erickson
> Assignee: Erick Erickson
> Fix For: Trunk, 5.4
>
> Attachments: SOLR-7836-synch.patch, SOLR-7836.patch, SOLR-7836.patch,
> SOLR-7836.patch, deadlock_3.res.zip, deadlock_5_pass_iw.res.zip, deadlock_test
>
>
> Preliminary patch for what looks like a possible race condition between
> writerFree and pauseWriter in DefaultSorlCoreState.
> Looking for comments and/or why I'm completely missing the boat.
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