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From "Michael McCandless (JIRA)" <>
Subject [jira] [Commented] (LUCENE-4798) PostingsHighlighter's formatter sometimes doesnt highlight matched terms
Date Tue, 26 Feb 2013 14:08:12 GMT


Michael McCandless commented on LUCENE-4798:

+1, sneaky!
> PostingsHighlighter's formatter sometimes doesnt highlight matched terms
> ------------------------------------------------------------------------
>                 Key: LUCENE-4798
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/highlighter
>            Reporter: Robert Muir
>         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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