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https://issues.apache.org/jira/browse/LUCENE-4893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shai Erera resolved LUCENE-4893.
--------------------------------
Resolution: Fixed
Fix Version/s: 4.3
5.0
Assignee: Shai Erera
Lucene Fields: New,Patch Available (was: New)
Committed to trunk and 4x. I added defensive code to prevent an app tripping
itself, if it called getFacetResults before doing search, without calling
reset. setNextReader now clears the cached results.
Thanks crocket for reporting this!
> Facet counts in FacetsAccumulator.facetArrays are multiplied as many times as
> FacetsCollector.getFacetResults is called.
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-4893
> URL: https://issues.apache.org/jira/browse/LUCENE-4893
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/facet
> Affects Versions: 4.2
> Reporter: crocket
> Assignee: Shai Erera
> Fix For: 5.0, 4.3
>
> Attachments: LUCENE-4893.patch, LUCENE-4893.patch, LUCENE-4893.patch,
> LUCENE-4893.patch
>
>
> In lucene 4.1, only StandardFacetsAccumulator could be instantiated.
> And as of lucene 4.2, it became possible to instantiate FacetsAccumulator.
> I invoked FacetsCollector.getFacetResults twice, and I saw doubled facet
> counts.
> If I invoke it three times, I see facet counts multiplied three times.
> It all happens in FacetsAccumulator.accumulate.
> StandardFacetsAccumulator doesn't have this bug since it frees facetArrays
> whenever StandardFacetsAccumulator.accumulate is called.
> Is it a feature or a bug?
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