Alexandre Patry created LUCENE-5019:
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Summary: SimpleFragmentScorer can create very long fragments
Key: LUCENE-5019
URL: https://issues.apache.org/jira/browse/LUCENE-5019
Project: Lucene - Core
Issue Type: Bug
Components: modules/highlighter
Affects Versions: 4.3
Reporter: Alexandre Patry
Priority: Minor
In SimpleFragmentScorer, when a query term is followed by a stop word, the
fragment will run until the end of the document.
When a query term is encountered (line 80), SimpleFragmentScorer waits for the
token following it before allowing the fragment to end (lines 68 to 72). When a
stop word follows the query word (or any token with a position increment
greater than 1), its position is skipped and the token SimpleFragmentScorer is
waiting for never arrive.
The attached patch fixes that by waiting for the first token following the
query word instead of the token at the position after the query term.
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