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7.1

Lucene.Net query problem

Asked by SHAHEEN_AKHTAR in Search Engines

I have indexed a dictionary using Lucene.Net.
I tried to get the results using alphabetical search like A*.
In some of the cases I get System Error Exception.
I am new to Lucene.Net and could not diagnise the problem. I am Appending the code o create Index document and the query code.
Request experts comments.

Thanks a lot in advance.
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IndexWriter writer1 = new IndexWriter(sIndexPath,new StandardAnalyzer(), false);
IndexDocumentDictionary(writer1,EnglishWord,meaning,type,pronounciation);
private static void IndexDocumentDictionary(IndexWriter writer, string English, string Hindi, string Type, string Pronounciation)
{
Document doc = new Document();
doc.Add(new Field("english", EnglishWord, Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("meaning", meaning, Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("type", type, Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("pronounciation", pronounciation, Field.Store.YES, Field.Index.TOKENIZED));
writer.AddDocument(doc);
}
 
Query:
 
public DataTable SearchInDictionaryHindi(string englishiWord)
{
Lucene.Net.Search.IndexSearcher searcher = new Lucene.Net.Search.IndexSearcher("DictionaryIndex/");
 
Lucene.Net.QueryParsers.QueryParser oParser = new Lucene.Net.QueryParsers.QueryParser("english", new StandardAnalyzer());
 
string qry = "(english:" + hindiWord + "*" + ")";
//On executing the below line some times I get System Error exception.
Raftaar.Net.Search.Hits oHitColl = searcher.Search(oParser.Parse(qry));
}
 
 
 
 
}
 
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About this solution

Zone: Search Engines
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Solution Provided By: teesub
Participating Experts: 1
Solution Grade: B
 
[+][-]01/05/09 07:59 PM, ID: 23301813Author Comment

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