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From Francisco SanmartĂ­n (JIRA) <j...@apache.org>
Subject [jira] Commented: (SOLR-42) Highlighting problems with HTMLStripWhitespaceTokenizerFactory
Date Fri, 05 Sep 2008 15:02:46 GMT

    [ https://issues.apache.org/jira/browse/SOLR-42?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628650#action_12628650
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Francisco SanmartĂ­n commented on SOLR-42:
-----------------------------------------

The patch is for solr 1.3? 

I tried to apply the patch to solr 1.2 but it fails :(

Can anybody complete the "affected version" and "fix version" field? thanks!

> Highlighting problems with HTMLStripWhitespaceTokenizerFactory
> --------------------------------------------------------------
>
>                 Key: SOLR-42
>                 URL: https://issues.apache.org/jira/browse/SOLR-42
>             Project: Solr
>          Issue Type: Bug
>          Components: highlighter
>            Reporter: Andrew May
>            Assignee: Grant Ingersoll
>            Priority: Minor
>         Attachments: htmlStripReaderTest.html, HTMLStripReaderTest.java, HtmlStripReaderTestXmlProcessing.patch,
HtmlStripReaderTestXmlProcessing.patch, SOLR-42.patch, SOLR-42.patch, SOLR-42.patch, SOLR-42.patch,
TokenPrinter.java
>
>
> Indexing content that contains HTML markup, causes problems with highlighting if the
HTMLStripWhitespaceTokenizerFactory is used (to prevent the tag names from being searchable).
> Example title field:
> <SUP>40</SUP>Ar/<SUP>39</SUP>Ar laserprobe dating of mylonitic
fabrics in a polyorogenic terrane of NW Iberia
> Searching for title:fabrics with highlighting on, the highlighted version has the <em>
tags in the wrong place - 22 characters to the left of where they should be (i.e. the sum
of the lengths of the tags).
> Response from Yonik on the solr-user mailing-list:
> HTMLStripWhitespaceTokenizerFactory works in two phases...
> HTMLStripReader removes the HTML and passes the result to
> WhitespaceTokenizer... at that point, Tokens are generated, but the
> offsets will correspond to the text after HTML removal, not before.
> I did it this way so that HTMLStripReader  could go before any
> tokenizer (like StandardTokenizer).
> Can you open a JIRA bug for this?  The fix would be a special version
> of HTMLStripReader integrated with a WhitespaceTokenizer to keep
> offsets correct. 

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