[LUCENE-102] [PATCH] Reader getFieldNames returns an extra blank field name

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Component/s: core/store

Environment

Operating System: Windows XP
Platform: PC

• Bugzilla Id: 19058
• Assignee: Lucene Developers
• Reporter: Mark Harwood
• Created: 16/Apr/03 16:23
• Updated: 28/Nov/24 16:16
• Resolved: 27/May/06 01:36

Description

This class demonstrates the problem....

import org.apache.lucene.store.*;
import org.apache.lucene.document.*;
import org.apache.lucene.analysis.*;
import org.apache.lucene.analysis.standard.*;
import org.apache.lucene.index.*;
import org.apache.lucene.search.*;
import org.apache.lucene.queryParser.*;

import java.util.*;
public class FieldsTest
{
public static void main (String args[]) throws Exception
{
Analyzer analyzer=new StandardAnalyzer();
Directory dir= new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, analyzer, true);
Document doc=new Document();
doc.add (new Field("field1", "value 1", true, true, true));
doc.add (new Field("field2", "value 2", true, true, true));
writer.addDocument(doc);
writer.close();
IndexReader reader=IndexReader.open(dir);
Collection fields=reader.getFieldNames();

//should contain only two fields but returns 3 (last fieldname
is blank)
Iterator i=fields.iterator();
while(i.hasNext())

{ System.out.println("fieldname=["+i.next()+"]"); }

}
}