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https://issues.apache.org/jira/browse/LUCENE-4147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Willnauer updated LUCENE-4147:
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Attachment: LUCENE-4147.patch
patch fixing the DWPT issue. The problem was that we didn't close the DW before
aborting. That means we didn't invalidate the thread states in DWPTThreadPool
and an already waiting Thread could acquire the state before we eventually
close the DW. If that happens together with a low ram buffer / low
maxBufferedDocs we hit an exception on flush since IFD deleted the files
already. Now since we first close and then abort this can't happen anymore and
will cause an AlreadClosedException for the indexing thread.
> rollback/preparecommit thread hazard
> ------------------------------------
>
> Key: LUCENE-4147
> URL: https://issues.apache.org/jira/browse/LUCENE-4147
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 4.0
> Reporter: Robert Muir
> Attachments: LUCENE-4147.patch, LUCENE-4147.patch, LUCENE-4147.patch,
> fail.log
>
>
> found by
> http://jenkins.sd-datasolutions.de/job/Lucene-Solr-4.x-Windows-Java7-64/70/
> rollback should never throw this exception, as it documents it clears any
> pendingcommits.
> but it calls closeInternal outside of any sync block, so it looks like there
> is a race here.
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