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https://issues.apache.org/jira/browse/LUCENE-4798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir resolved LUCENE-4798.
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Resolution: Fixed
Fix Version/s: 5.0
4.2
> PostingsHighlighter's formatter sometimes doesnt highlight matched terms
> ------------------------------------------------------------------------
>
> Key: LUCENE-4798
> URL: https://issues.apache.org/jira/browse/LUCENE-4798
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/highlighter
> Reporter: Robert Muir
> Fix For: 4.2, 5.0
>
> Attachments: LUCENE-4798.patch
>
>
> This can happen if you have a sentence where the query terms match many times
> in the same sentence:
> for example if you query on "testing highlighter" but you have
> "Testing highlighters is sometimes harder than testing other things."
> The issue is that the formatter receives all 3 matches, but in this order:
> Testing (first occurrence)
> testing (second occurrence)
> highlighters
> The formatter expects the matches to be in sorted order by offset (not by
> term, then offset). This is how the javadocs say they should be.
> But there is currently a bug, a stupid side effect of how the ranking is
> done. Because of this, in this example "highlighters" isnt marked up in bold.
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