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https://issues.apache.org/jira/browse/LUCENE-4479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13610657#comment-13610657
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Commit Tag Bot commented on LUCENE-4479:
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[branch_4x commit] Alan Woodward
http://svn.apache.org/viewvc?view=revision&revision=1400505
LUCENE-4479: Fix highlighter on index w/ positions but no offsets
> TokenSources.getTokenStream() doesn't return correctly for termvectors with
> positions but no offsets
> ----------------------------------------------------------------------------------------------------
>
> Key: LUCENE-4479
> URL: https://issues.apache.org/jira/browse/LUCENE-4479
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/highlighter
> Affects Versions: 4.0
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Priority: Minor
> Fix For: 4.1, 5.0
>
> Attachments: LUCENE-4479.patch, LUCENE-4479.patch, LUCENE-4479.patch,
> LUCENE-4479.patch
>
>
> The javadocs for TokenSources.getTokenStream(Terms, boolean) state:
> "Low level api. Returns a token stream or null if no offset info available
> in index. This can be used to feed the highlighter with a pre-parsed token
> stream"
> However, if the Terms instance passed in has positions but no offsets stored,
> a TokenStream is incorrectly returned, rather than null.
> This has the effect of incorrectly highlighting fields with term vectors and
> positions, but no offsets. All highlighting markup is prepended to the
> beginning of the field.
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