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From Alexander Kanarsky <>
Subject Re: Highlight Wildcard Queries
Date Tue, 25 Jan 2011 19:43:51 GMT
Hi Wulf,

Check the
this may help. I do not know what of Mark's changes are in Lucene 3.x,
but most likely you
will just need to set a proper RewriteMethod for the MultiTermQuery somewhere.


On Tue, Jan 25, 2011 at 9:40 AM, Wulf Berschin <> wrote:
> Hi,
> I'm just migrating our small search customization from Lucene version 2.3 to
> the current version (3.0.3) and wonder why, in contrast to the old version,
> we no longer get the Wildcard Queries (which are default, since surround the
> search string with asterisks) highlighted.
> We're using the "traditional" Highlighter and don't store documents content
> (in total about 100MB) in the index.
> As far I understand in the earlier version a WildCard Query was rewritten
> (expanded) into many Term Queries before highlighting (but in practice never
> exceeded the maximum clauses size since we only wrapped strings longer than
> 3 characters...)
> Now however, QueryParser returns a BooleanQuery conataining a
> ConstantScoreQuery which has an enmpty extractTerms method and thus doesnt
> contribute terms for the highlighter.
> What do I have to do to get the wildcard query results highlighted?
> Use th old Rewrite methods (if possible)??
> Go back to Lucene 2.3???
> Wulf
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