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https://issues.apache.org/jira/browse/LUCENE-8726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16810542#comment-16810542
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Alan Woodward commented on LUCENE-8726:
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[~rpeddacama] the patch has been committed to branch_7_7, so you should just be
able to pull the latest branch head and use that.
> WrappedDoubleValuesSource can leak IndexSearcher references
> -----------------------------------------------------------
>
> Key: LUCENE-8726
> URL: https://issues.apache.org/jira/browse/LUCENE-8726
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Priority: Major
> Fix For: 7.7.2, 8.1
>
> Attachments: LUCENE-8726.patch
>
>
> Cause of SOLR-13315
> Index-specific DoubleValuesSources can be created by
> DoubleValuesSource.rewrite(), and the various consumers of these sources are
> careful not to store these rewritten sources on long-lived objects, such as
> queries that may be re-used between searchers. However, the bridge code
> between ValueSource and DoubleValuesSource does not return a new object from
> its rewrite method, instead caching the passed-in IndexSearcher, which means
> references to this searcher may leak.
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