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Date: Wed, 21 Mar 2007 01:21:32 -0700 (PDT)
From: "Michael Schlegel (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-838) WildcardQuery do not find documents
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    [ https://issues.apache.org/jira/browse/LUCENE-838?page=3Dcom.atlassian=
.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12482670 ]=20

Michael Schlegel commented on LUCENE-838:
-----------------------------------------

Hi !

Sorry, but it was my first bug request.
You resolved the bug because you can not reproduce.

Here is the a simple example code, which demonstrate the problem:

public class WildcardTest
{
   =20
    public static void main(String[] args) throws Exception
    {
        Analyzer analyzer =3D new GermanAnalyzer();
       =20
        RAMDirectory indexStore =3D getIndexStore("fulltext", new String[]{=
"Forschungsgebiet", "business"}, analyzer);
       =20
        IndexSearcher searcher =3D new IndexSearcher(indexStore);
       =20
        QueryParser parser =3D new QueryParser( "fulltext", analyzer );
        Query query1 =3D parser.parse("fulltext:Forschungsgebie*");
        Query query2 =3D parser.parse("fulltext:Forschungsgebiet*");
       =20
       =20
        Hits result =3D searcher.search(query1);
        System.out.println( query1.toString() );
        System.out.println( "Query '" + query1.toString() + "' found: " + r=
esult.length() + " documents !");

        result =3D searcher.search(query2);
        System.out.println( query2.toString() );
        System.out.println( "Query '" + query2.toString() + "' found: " + r=
esult.length() + " documents !");

       =20
        searcher.close();
        indexStore.close();
    }
   =20
    private static RAMDirectory getIndexStore(String field, String[] conten=
ts, Analyzer p_Analyzer)
    throws IOException
    {
        RAMDirectory indexStore =3D new RAMDirectory();
        IndexWriter writer =3D new IndexWriter(indexStore, p_Analyzer, true=
);
        for (int i =3D 0; i < contents.length; ++i)
        {
            Document doc =3D new Document();
            doc.add(new Field(field, contents[i], Field.Store.YES, Field.In=
dex.TOKENIZED));
            writer.addDocument(doc);
        }
        writer.optimize();
        writer.close();
       =20
        return indexStore;
    }
}

Output:
Query 'fulltext:forschungsgebie*' found: 1 documents !
Query 'fulltext:forschungsgebiet*' found: 0 documents !


----- Urspr=C3=BCngliche Mail ----
Von: Hoss Man (JIRA) <jira@apache.org>
An: lulog1@yahoo.de
Gesendet: Dienstag, den 20. M=C3=A4rz 2007, 19:07:32 Uhr
Betreff: [jira] Resolved: (LUCENE-838) WildcardQuery do not find documents


     [ https://issues.apache.org/jira/browse/LUCENE-838?page=3Dcom.atlassia=
n.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hoss Man resolved LUCENE-838.
-----------------------------

    Resolution: Cannot Reproduce


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> WildcardQuery do not find documents
> -----------------------------------
>
>                 Key: LUCENE-838
>                 URL: https://issues.apache.org/jira/browse/LUCENE-838
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>    Affects Versions: 1.9, 2.0.0, 2.1
>         Environment: Windows XP; JDK 1.5
>            Reporter: Michael Schlegel
>
> Example:
> I index a document by using GermanAnalyzer.
> This document contains following word "Forschungsgebiet".
> This word will be analyzed and transformed to "Forschungsgebie".
> If i use query "Forschungsgebiet" to search the document, i will find the=
 document.
> If i use query "Forschungsgebie*" or "Forschung*" i will find the documen=
t too.
> But if i use query "Forschungsgebiet*" or "?orschungsgebiet" i never will=
 find this document.
> It looks so that the query will not be analyzed by the given Analyzer and=
 thatswhy i will not find the document    (Forschungsgebiet !=3D Forschungs=
gebie).
> The same can happen if a other analyzer is used.

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