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https://issues.apache.org/jira/browse/SOLR-556?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Kotthoff updated SOLR-556:
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Attachment: (was: solr-highlight-multivalued.patch)
> Highlighting of multi-valued fields returns snippets which span multiple
> different values
> -----------------------------------------------------------------------------------------
>
> Key: SOLR-556
> URL: https://issues.apache.org/jira/browse/SOLR-556
> Project: Solr
> Issue Type: Bug
> Components: highlighter
> Affects Versions: 1.3
> Environment: Tomcat 5.5
> Reporter: Lars Kotthoff
> Assignee: Mike Klaas
> Priority: Minor
> Fix For: 1.3
>
> Attachments: solr-highlight-multivalued-example.xml,
> solr-highlight-multivalued.patch
>
>
> When highlighting multi-valued fields, the highlighter sometimes returns
> snippets which span multiple values, e.g. with values "foo" and "bar" and
> search term "ba" the highlighter will create the snippet "foo<em>ba</em>r".
> Furthermore it sometimes returns smaller snippets than it should, e.g. with
> value "foobar" and search term "oo" it will create the snippet "<em>oo</em>"
> regardless of hl.fragsize.
> I have been unable to determine the real cause for this, or indeed what
> actually goes on at all. To reproduce the problem, I've used the following
> steps:
> * create an index with multi-valued fields, one document should have at least
> 3 values for these fields (in my case strings of length between 5 and 15
> Japanese characters -- as far as I can tell plain old ASCII should produce
> the same effect though)
> * search for part of a value in such a field with highlighting enabled, the
> additional parameters I use are hl.fragsize=70, hl.requireFieldMatch=true,
> hl.mergeContiguous=true (changing the parameters does not seem to have any
> effect on the result though)
> * highlighted snippets should show effects described above
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