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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-627) highlighter problems with overlapping tokens
Date Thu, 28 Sep 2006 21:12:51 GMT
    [ http://issues.apache.org/jira/browse/LUCENE-627?page=comments#action_12438553 ] 
            
Yonik Seeley commented on LUCENE-627:
-------------------------------------

I agree with Kerang about the expected behavior (of this specific case at least).
The test case of mine quoted above was not what I was shooting for, but was an acceptable
unintended side-effect of fixing the other cases.

So I'm fine with this case being changed to
    query = new QueryParser("text",new WhitespaceAnalyzer()).parse("hi speed");
    highlighter = new Highlighter(new QueryScorer(query));
    result = highlighter.getBestFragments(getTS2(), s, 3, "...");
    assertEquals("<B>Hi</B>-<B>Speed</B>10 foo",result);

> highlighter problems with overlapping tokens
> --------------------------------------------
>
>                 Key: LUCENE-627
>                 URL: http://issues.apache.org/jira/browse/LUCENE-627
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Other
>    Affects Versions: 2.0.1
>            Reporter: Yonik Seeley
>             Fix For: 2.0.1
>
>         Attachments: highlight_overlap.diff, Highlighter.java.diff
>
>
> The lucene highlighter has problems when tokens that overlap are generated.
> For example, if analysis of iPod generates the tokens "i", "pod", "ipod" (with pod and
ipod in the same position),
> then the highlighter will output this as iipod, regardless of if any of those tokens
are highlighted.
> Discovered via http://issues.apache.org/jira/browse/SOLR-24

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