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Posted to dev@lucene.apache.org by "Alan Woodward (JIRA)" <ji...@apache.org> on 2019/03/14 10:04:00 UTC

[jira] [Created] (LUCENE-8726) WrappedDoubleValuesSource can leak IndexSearcher references

Alan Woodward created LUCENE-8726:
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             Summary: 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


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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