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https://issues.apache.org/jira/browse/SOLR-8397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Smiley updated SOLR-8397:
-------------------------------
Priority: Minor (was: Major)
Summary: Join query can sometimes throw an exception if highlighted (was:
QueryScorer highlighting with join query causes classcast exception)
> Join query can sometimes throw an exception if highlighted
> ----------------------------------------------------------
>
> Key: SOLR-8397
> URL: https://issues.apache.org/jira/browse/SOLR-8397
> Project: Solr
> Issue Type: Bug
> Components: highlighter
> Affects Versions: 5.3
> Environment: SolrCloud 5.3.1
> Reporter: Peter Ciuffetti
> Priority: Minor
>
> If you use the combination of a join query with the 'old' QueryScorer as a
> highlighter, you get a classcast exception
> {code}
> java.lang.ClassCastException: org.apache.lucene.search.IndexSearcher cannot
> be cast to org.apache.solr.search.SolrIndexSearcher
> at
> org.apache.solr.search.JoinQuery.createWeight(JoinQParserPlugin.java:217)
> at
> org.apache.lucene.search.IndexSearcher.createWeight(IndexSearcher.java:855)
> at
> org.apache.lucene.search.IndexSearcher.createNormalizedWeight(IndexSearcher.java:838)
> at
> org.apache.lucene.search.highlight.QueryTermExtractor.getTerms(QueryTermExtractor.java:131)
> at
> org.apache.lucene.search.highlight.QueryTermExtractor.getTerms(QueryTermExtractor.java:106)
> at
> org.apache.lucene.search.highlight.QueryTermExtractor.getTerms(QueryTermExtractor.java:119)
> at
> org.apache.lucene.search.highlight.QueryTermExtractor.getTerms(QueryTermExtractor.java:62)
> at
> org.apache.lucene.search.highlight.QueryTermScorer.<init>(QueryTermScorer.java:52)
> at
> org.apache.solr.highlight.DefaultSolrHighlighter.getQueryScorer(DefaultSolrHighlighter.java:244)
> at
> org.apache.solr.highlight.DefaultSolrHighlighter.getHighlighter(DefaultSolrHighlighter.java:197)
> at
> org.apache.solr.highlight.DefaultSolrHighlighter.doHighlightingByHighlighter(DefaultSolrHighlighter.java:586)
> at
> org.apache.solr.highlight.DefaultSolrHighlighter.doHighlighting(DefaultSolrHighlighter.java:428)
> at
> org.apache.solr.handler.component.HighlightComponent.process(HighlightComponent.java:143)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:277)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:143)
> {code}
> the query parameters that will produce this are
> {code}
> ?hl=true
> &hl.usePhraseHighlighter=false
> &hl.fl=somefield
> &q={!join from=x to=y}somequery
> {code}
> This does not happen when the default SpanScorer is used (which happens when
> hl.usePhraseHighlighter=true or is unspecified)
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