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https://issues.apache.org/jira/browse/LUCENE-7682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15884292#comment-15884292
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David Smiley edited comment on LUCENE-7682 at 2/25/17 3:59 PM:
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Are you saying then that there seems to be a bug in NearSpansOrdered (and not
any highlighter)? Presumably the original Highlighter WSTE would be affected
as well? Can we test this? If we can get to the bottom of this ASAP then we
have a chance of getting a fix into v6.4.2.
was (Author: dsmiley):
Are you saying then that there seems to be a bug in NearSpansOrdered (and not
the highlighter)? Presumably the original Highlighter WSTE would be affected
as well. If we can get to the bottom of this ASAP then we have a chance of
getting a fix into v6.4.2
> UnifiedHighlighter not highlighting all terms relevant in SpanNearQuery
> -----------------------------------------------------------------------
>
> Key: LUCENE-7682
> URL: https://issues.apache.org/jira/browse/LUCENE-7682
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/highlighter
> Reporter: Michael Braun
>
> Original text: "Something for protecting wildlife feed in a feed thing."
> Query is:
> SpanNearQuery with Slop 9 - in order -
> 1. SpanTermQuery(wildlife)
> 2. SpanTermQuery(feed)
> This should highlight both instances of "feed" since they are both within
> slop of 9 of "wildlife". However, only the first instance is highlighted.
> This occurs with unordered SpanNearQuery as well. Test below replicates.
> Affects both the current 6.x line and master.
> Test that fits within TestUnifiedHighlighterMTQ:
> {code}
> public void testOrderedSpanNearQueryWithDupeTerms() throws Exception {
> RandomIndexWriter iw = new RandomIndexWriter(random(), dir,
> indexAnalyzer);
> Document doc = new Document();
> doc.add(new Field("body", "Something for protecting wildlife feed in a
> feed thing.", fieldType));
> doc.add(newTextField("id", "id", Field.Store.YES));
> iw.addDocument(doc);
> IndexReader ir = iw.getReader();
> iw.close();
> IndexSearcher searcher = newSearcher(ir);
> UnifiedHighlighter highlighter = new UnifiedHighlighter(searcher,
> indexAnalyzer);
> int docID = searcher.search(new TermQuery(new Term("id", "id")),
> 1).scoreDocs[0].doc;
> SpanTermQuery termOne = new SpanTermQuery(new Term("body", "wildlife"));
> SpanTermQuery termTwo = new SpanTermQuery(new Term("body", "feed"));
> SpanNearQuery topQuery = new SpanNearQuery.Builder("body", true)
> .setSlop(9)
> .addClause(termOne)
> .addClause(termTwo)
> .build();
> int[] docIds = new int[] {docID};
> String snippets[] = highlighter.highlightFields(new String[] {"body"},
> topQuery, docIds, new int[] {2}).get("body");
> assertEquals(1, snippets.length);
> assertEquals("Something for protecting <b>wildlife</b> <b>feed</b> in a
> <b>feed</b> thing.", snippets[0]);
> ir.close();
> }
> {code}
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