probably the dir exists, but the index inside the dir is broken or not complete and you are trying to use it instead of creating a new one?!

bib_lucene bib wrote:

Hi All

can someone please help me on the error in my web application...

I am using tomcat , the path for index dir is obtained from jsp page using 
application.getRealPath("/")+"download/compName"

I want to index when the file gets uploaded.
I am getting this error...

java.io.FileNotFoundException: C:\tomcat\webapps\myApp\download\compName\segmen
s (The system cannot find the file specified)
       at java.io.RandomAccessFile.open(Native Method)
       at java.io.RandomAccessFile.<init>(RandomAccessFile.java:204)
       at org.apache.lucene.store.FSInputStream$Descriptor.<init>(FSDirectory.
ava:376)
       at org.apache.lucene.store.FSInputStream.<init>(FSDirectory.java:405)
       at org.apache.lucene.store.FSDirectory.openFile(FSDirectory.java:268)
       at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:40)
       at org.apache.lucene.index.IndexWriter$1.doBody(IndexWriter.java:233)
       at org.apache.lucene.store.Lock$With.run(Lock.java:109)
       at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:228)
       at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:193)
       at com.rs.upload.FileIndexer.indexDocument(FileIndexer.java:43)


This directory C:\tomcat\webapps\myApp\download\compName\  exist in the file 
system.

Here is the program I wrote /*
* Created on Jul 6, 2005
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package com.rs.upload;
import java.util.Hashtable;
import java.util.Iterator;
import java.io.*;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.analysis.standard.*;
import org.apache.lucene.document.*;
/**
* @author
*
* This will index the documents as and when documents are uploaded.
* */
public class FileIndexer {

public static void indexDocument(String fileName, Hashtable fields, String 
indexDir) throws IOException{
// Find if the index already exists
 boolean exists = true;
 File indexFile = null;
 if ((indexFile = new File(indexDir)).exists() && indexFile.isDirectory())
 {
      exists = false;
      System.out.println("Index does not exist");
 }
else {
       exists = true;
       System.out.println("Index does exist");
 }
 System.out.println("Index Directory:"+indexDir);
 IndexWriter writer = null;
 try {
  writer = new IndexWriter(indexFile, new StandardAnalyzer(), exists);
 } catch (IOException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
 }
 writer.mergeFactor = 20;
File candidateFile = new File(fileName);
 indexFile(writer,candidateFile,fields);
}

private static void indexFile(IndexWriter writer, File f, Hashtable fields) 
throws IOException{
if( f.isHidden() || !f.exists() || !f.canRead()){
  return;
 }
System.out.println("Indexing file :"+ f.getCanonicalPath());
 Document doc = new Document();
 doc.add(Field.Text("contents", new FileReader(f)));
 doc.add(Field.Keyword("filename",f.getCanonicalPath()));
Iterator it = fields.keySet().iterator();
 String element = "";
    while (it.hasNext()) {
       element =  (String)it.next();
       doc.add(Field.Keyword(element,(String)fields.get(element)));
    }
    writer.addDocument(doc);
}
}


                
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