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From Michael Wechner <michael.wech...@wyona.org>
Subject Re: Searcher is not returning the records - help please
Date Sat, 25 Jan 2003 23:32:46 GMT
Are you using HTMLDocument for indexing? The name of the content field is
"contents" and not "content" which you are using within your code (plz 
see below).

Vinu SB wrote:

>Hi,
>I am relatively new to Lucene. My indexing process is
>going fine, as and when I upload the files. But when I
>search the index file for those existing words, the
>'hits' return no records. Can somebody point out what
>could be my mistake in the following code?
>
>Any help/suggestions are appreciated. 
>Thanks,
>Vinu
>----------------------------------------------------
>package com.proj.search;
>
>import java.io.File;
>import java.io.IOException;
>import java.util.ArrayList;
>import com.proj.Repository.DocumentForm;
>import org.apache.struts.action.ActionError;
>import org.apache.struts.action.ActionErrors;
>
>import org.apache.lucene.analysis.*;	
>import org.apache.lucene.document.Document;
>import org.apache.lucene.queryParser.QueryParser;
>import org.apache.lucene.queryParser.ParseException;
>import org.apache.lucene.index.IndexReader;
>import org.apache.lucene.search.IndexSearcher;
>import org.apache.lucene.search.Query;
>import org.apache.lucene.search.Hits;
> 
>public class SearchIndexDir {
> 
>	public static ArrayList SearchFiles(String indexDir,
>String docDir, String queryString, int BUCKET,
>ActionErrors errors)
>	{
>		IndexSearcher searcher = null;
>		Query query = null;	
>		Hits hits = null;
>		ArrayList list = null;
>		
>		try {
>		  searcher = new
>IndexSearcher(IndexReader.open(indexDir));	
>		//  searcher = new IndexSearcher(indexDir);
>		} catch (Exception e) {  
>        	errors.add("missingIndex", new
>ActionError("errors.search.lucene.index.missing"));   
>     
>        }    
>		
>		if (errors.empty())
>		{  	
>			if ( queryString.equals("") || null == queryString)
>			{	
>                	errors.add("emptyQueryString", new
>ActionError("errors.search.lucene.enter.query.missing"));
>                                                      
>			}
>		 	Analyzer analyzer = new StopAnalyzer(); 
>			try {   // search the entire content
>			  	query = QueryParser.parse(queryString,
>"content", analyzer);
>


Try using "contents" instead of "content"

HTH

Michael



>			    // System.out.println(query.toString());
>            } catch (ParseException e) { 
>               // 	 close(searcher);							 
>                	 errors.add("noResults", new
>ActionError("errors.search.lucene.results.notfound"));
>            }  
>		}   
>		
>
>		// iterate through the results, which is an array of
>documents
>		if (errors.empty() && searcher != null) { 
>		  int start = 0;
>		  
>		      
>		  try
>		  {
>		  	hits = searcher.search(query);
>		  } 
>		  catch (IOException e)
>		  {
>		  	System.err.println("search "+e);
>		  } 
>		  
>		  int end = Math.min(BUCKET, hits.length());
>		    
>		  if(hits.length() > 0)
>		  {
>		    list = new ArrayList();
>		    Document doc = null;
>		    int length = docDir.length()+1; // plus the '/'
>		    
>		    for(int i = start; i < end; i++)
>		    {
>		   		try
>		   		{
>		  			doc = hits.doc(i); 						//get the next
>document 
>		 		} 
>		 		catch (IOException e)
>		 		{
>		 			System.out.println("get doc from hits "+e);
>		 		} 		                      
>                    //get its url
>                String url = doc.get("url");
>                url = url.substring(length);
>                int _ind = url.indexOf("_");
>                String id = url.substring(0, _ind);
>                System.out.println("Found "+id);
>                DocumentForm form = new
>DocumentForm(id);
>               	list.add(form);
>                
>		    }
>		  }  
>		}
>		
>		return list;
>	 }
> }	 	 
>
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>  
>



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