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From "Igor Motov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-3724) No highlighting for phrases with stop words when FVH is used
Date Thu, 09 Aug 2012 14:30:26 GMT
Igor Motov created SOLR-3724:
--------------------------------

             Summary: No highlighting for phrases with stop words when FVH is used
                 Key: SOLR-3724
                 URL: https://issues.apache.org/jira/browse/SOLR-3724
             Project: Solr
          Issue Type: Bug
          Components: highlighter
    Affects Versions: 3.6.1
            Reporter: Igor Motov


To reproduce:
- Index text "foo and bar" into the field "message" with the following schema :
{code:xml}
<schema name="example" version="1.5">
  <types>
    <!-- ... -->
    <fieldType name="my_text_general" class="solr.TextField" positionIncrementGap="100">
      <analyzer type="index">
        <tokenizer class="solr.StandardTokenizerFactory"/>
        <filter class="solr.StopFilterFactory" ignoreCase="true" words="lang/stopwords_en.txt"
enablePositionIncrements="true"/>
        <filter class="solr.LowerCaseFilterFactory"/>
      </analyzer>
      <analyzer type="query">
        <tokenizer class="solr.StandardTokenizerFactory"/>
        <filter class="solr.StopFilterFactory" ignoreCase="true" words="lang/stopwords_en.txt"
enablePositionIncrements="true"/>
        <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true"
expand="true"/>
        <filter class="solr.LowerCaseFilterFactory"/>
      </analyzer>
    </fieldType>
    <!-- ... -->
  </types>
  <fields>
    <!-- ... -->
    <field name="message" type="my_text_general" indexed="true" stored="true" required="true"
termVectors="true" termPositions="true" termOffsets="true"/>
    <!-- ... -->
  </fields>
  <!-- ... -->
</schema>
{code}
- Search for the {{message:"foo and bar"}} with highlighting enabled and {{hl.useFastVectorHighlighter=true}}
- The text is not highlighted

Standard highlighter works fine. If I set {{enablePositionIncrements=false}} in the analyzer,
FVH starts to highlight the entire phrase. You can find complete schema and test data files
that I used to reproduce this issue here: https://gist.github.com/3279879 

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