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From Mufaddal Khumri <mkhu...@allegromedical.com>
Subject Re: Strange Problem ... Luke returns results Lucene api does not.
Date Thu, 16 Feb 2006 20:00:47 GMT
Yes. thats exactly the problem. I just found out that analyzer was not 
being set correctly.

Thanks,

Chris Hostetter wrote:

>: Standard analyzer lower cases while indexing and searching.
>
>Correct, but since the toString() of your query still has capital words in
>it (like "contentNew:Wireless") you obviously didn't build this query
>using the StandardAnalyzer -- IndexSearcher doesn't apply any Analyzers
>for you when you search -- it's the responsability of whatever is
>constructing your query (be that custom code you've written, or
>QueryParser) to run the input thoguh the appropraite Analyzer.
>
>when you paste that query into Luke, it *does* run it through the
>QueryParser for you -- so the text gets analyzed and lower cased.
>
>
>
>:
>: The BooleanQuery, finalQuery.toString() in my case below is:
>:
>: +(+contentNew:wireless +contentNew:fm +contentNew:car
>: +contentNew:transmitter) +entity:product +(name:wireless fm car
>: transmitter^40.0 ((name:wireless name:fm name:car
>: name:transmitter)^10.0) contentNew:wireless fm car transmitter^20.0
>: (contentNew:wireless contentNew:fm contentNew:car contentNew:transmitter))
>:
>: OR
>:
>: +(+contentNew:Wireless +contentNew:fm +contentNew:car
>: +contentNew:transmitter) +entity:category +(name:Wireless fm car
>: transmitter^40.0 ((name:Wireless name:fm name:car name:transmitter)
>: ^10.0) contentNew:Wireless fm car transmitter^20.0  (contentNew:Wireless
>: contentNew:fm contentNew:car  contentNew:transmitter))
>:
>: work in Luke just fine. I am using the StandardAnalyzer in Luke.
>:
>: But when i try to execute the above boolean query via a call to
>: IndexSearcher.search(finalQuery) it returns no hits.
>:
>: Erik Hatcher wrote:
>:
>: > How are you constructing your BooleanQuery and what Analyzer are you
>: > using with Luke?   You have some capitalized words in your query, and
>: > most analyzers would lowercase those, which may be the issue (perhaps
>: > you indexed the capitalized words?).
>: >
>: >     Erik
>: >
>: > On Feb 16, 2006, at 2:41 PM, Mufaddal Khumri wrote:
>: >
>: >> Hi,
>: >>
>: >> I have a query that gets hits via luke. I can see the documents it
>: >> finds. But when I run the same query via my java code it returns 0
>: >> hits.
>: >>
>: >> Note:
>: >> 1. I am using standard analyzer while indexing and searching.
>: >> 2. I have made sure that I am querying the same index via luke or
>: >> through my java program.
>: >>
>: >> This is the call I make in my java code.
>: >>        BooleanQuery finalQuery = new BooleanQuery();
>: >>        .....
>: >>        .....
>: >>        log.debug(finalQuery.toString());
>: >>
>: >>        hits = IndexSearcherManager.getIndexSearcher
>: >> (indexPath).search(finalQuery);
>: >>        log.debug("Hits length = " + hits.length());
>: >>
>: >> The output of the first log statement above is:
>: >>
>: >> +(+contentNew:Wireless +contentNew:fm +contentNew:car
>: >> +contentNew:transmitter) +entity:category +(name:Wireless fm car
>: >> transmitter^40.0 ((name:Wireless name:fm name:car name:transmitter)
>: >> ^10.0) contentNew:Wireless fm car transmitter^20.0
>: >> (contentNew:Wireless contentNew:fm contentNew:car
>: >> contentNew:transmitter))
>: >>
>: >> The output of the second log statement above is:
>: >>
>: >> Hits length = 0
>: >>
>: >> I run the above query against the same index via Luke and I get
>: >> search results that I expected.
>: >>
>: >> Any ideas as to why my java call does not return any hits? how i
>: >> might be able to debug this?
>: >>
>: >> Thanks,
>: >>
>: >>
>: >> ---------------------------------------------------------------------
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>: >> For additional commands, e-mail: java-user-help@lucene.apache.org
>: >
>: >
>: >
>: > ---------------------------------------------------------------------
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>: >
>:
>:
>: ---------------------------------------------------------------------
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>:
>
>
>
>-Hoss
>
>
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>  
>


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