Hi Jim,
This went to the old mailing list...
Could you email this to java-user@lucene.apache.org
and maybe open a JIRA bug for it?
-Yonik
On 4/26/06, jm <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I have encountered an issue with lucene1.9.1. It involves
> MatchAllDocsQuery, MultiSearcher and a custom HitCollector. The
> following code throws java.lang.UnsupportedOperationException.
>
> If I remove the MatchAllDocsQuery condition (comment whole //1
> block), or if I dont use the custom hitcollector (ms.search(mbq);
> instead of ms.search(mbq, allcoll);) the exception goes away. By
> stepping into the source I can see it seems due to MatchAllDocsQuery
> no implementing extractTerms()....
> I never looked at lucene internals before, any help as to what
> extractTerms() should do, or any other hint to overcome this?
>
> thanks,
>
>
> Searcher searcher = new
> IndexSearcher("c:\\projects\\mig\\runtime\\index\\01Aug16\\");
> Searchable[] indexes = new IndexSearcher[1];
> indexes[0] = searcher;
> MultiSearcher ms = new MultiSearcher(indexes);
>
> AllCollector allcoll = new AllCollector(ms);
>
> BooleanQuery mbq = new BooleanQuery();
> mbq.add(new TermQuery(new Term("body", "value1")),
> BooleanClause.Occur.MUST_NOT);
> // 1
> MatchAllDocsQuery alld = new MatchAllDocsQuery();
> mbq.add(alld, BooleanClause.Occur.MUST);
> //
>
> System.out.println("Query: " + mbq.toString());
>
> // 2
> ms.search(mbq, allcoll);
> //ms.search(mbq);
>
-Yonik
http://incubator.apache.org/solr Solr, the open-source Lucene search server
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