Highlighter bug with MultiValued field + TermPositions optimization
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Key: SOLR-1624
URL: https://issues.apache.org/jira/browse/SOLR-1624
Project: Solr
Issue Type: Bug
Components: highlighter
Affects Versions: 1.4
Reporter: Chris Harris
When TermPositions are stored, then
DefaultSolrHighlighter.doHighlighting(DocList docs, Query query,
SolrQueryRequest req, String[] defaultFields) currently initializes tstream
only for the first value of a multi-valued field. (Subsequent times through the
loop reinitialization is preempted by tots being non-null.) This means that the
2nd/3rd/etc. values are not considered for highlighting purposes, resulting in
missed highlights.
I'm attaching a patch with a test case to demonstrate the problem
(testTermVecMultiValuedHighlight2), as well as a proposed fix. All highlighter
tests pass with this applied. The patch should apply cleanly against the latest
trunk.
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