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From Erik Hatcher <>
Subject Re: HighlighterTest failure
Date Tue, 26 Apr 2005 04:04:59 GMT

On Apr 25, 2005, at 10:02 PM, Chuck Williams wrote:

> Erik Hatcher wrote:
>> I get a failure running HighlighterTest from the Subversion trunk. 
>> Below are the details.
>> What's the fix?
> I don't have the code here to run, but the problem is that 
> MultiSearcher.rewrite(line 298) is calling Query.combine, which 
> requires all the combined queries to be equal. Obviously they will not 
> be equal in general for multi-term queries (PrefixQuery's in this 
> case) since those queries expand into different terms for the 
> different searchers. Just above the failing line in 
> MultiSearcher.rewrite() it rewrites the query it was passed from the 
> parser in the HighlighterTest. This should be a PrefixQuery, which 
> should rewrite into two BooleanQuery's, which should then lead to 
> BooleanQuery.combine() and not Query.combine(). So it appears that 
> either the query parser did not produce a PrefixQuery, or you don't 
> have the current code?
> Could you step through it and find out what kind of query is passes to 
> MultiSearcher.rewrite() and what comes back from the 2 rewrite() calls 
> made there for the two searchers?

PrefixQuery being passed to MultiSearcher.rewrite()... and the 2 
rewrites each rewrite to the expanded Query (an optimized TermQuery in 
this case).

I've got the current trunk code.



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