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Posted to dev@lucene.apache.org by "David Smiley (JIRA)" <ji...@apache.org> on 2018/09/07 18:59:00 UTC
[jira] [Moved] (LUCENE-8492) UnifiedHighlighter does not work with
Surround query parser (SurroundQParser)
[ https://issues.apache.org/jira/browse/LUCENE-8492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Smiley moved SOLR-12242 to LUCENE-8492:
---------------------------------------------
Affects Version/s: (was: 7.2.1)
7.2.1
Security: (was: Public)
Component/s: (was: highlighter)
modules/highlighter
Lucene Fields: New
Key: LUCENE-8492 (was: SOLR-12242)
Project: Lucene - Core (was: Solr)
> UnifiedHighlighter does not work with Surround query parser (SurroundQParser)
> -----------------------------------------------------------------------------
>
> Key: LUCENE-8492
> URL: https://issues.apache.org/jira/browse/LUCENE-8492
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/highlighter
> Affects Versions: 7.2.1
> Reporter: Andy Liu
> Priority: Major
> Attachments: TestUnifiedHighlighterSurround.java
>
>
> I'm attempting to use the UnifiedHighlighter in conjunction with queries parsed by Solr's SurroundQParserPlugin. When doing so, the response yields empty arrays for documents that should contain highlighted snippets.
> I've attached a test for UnifiedHighlighter that uses the surround's QueryParser and preprocesses the query in a similar fashion as SurroundQParser, which results in test failure. When creating a SpanQuery directly (rather via surround's QueryParser), the test passes.
> The problem can be isolated to the code path initiated by UnifiedHighlighter.extractTerms(), which uses EMPTY_INDEXSEARCHER to extract terms from the query. After a series of method calls, we end up at DistanceQuery.getSpanNearQuery(), where {{((DistanceSubQuery)sqi.next()).addSpanQueries(sncf)}} fails silently and doesn't add any span queries.
> Another data point: If I hack UnifiedHighlighter and pass in a live IndexSearcher to extractTerms(), highlighting works.
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