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From James Ricci <ja...@riccinursery.com>
Subject Too many file?
Date Thu, 23 May 2002 19:05:29 GMT
Anyone,

I am trying to evaluate Lucene for use in our company. I tried the simple
test below. Before it finished creating the index, I got the exception
exception below. Examining the directory where the index was created, there
were more than 10,000 files created. The error I got was, not surprisingly,
too many files open. What have I done wrong here? Should the directory
contain a single file for each document indexed? Is there a way to limit
this?

James

    static public void createLuceneIndex()
    {
        try
        {
            IndexWriter iw = new IndexWriter("c:\\temp\\lutest", new
StandardAnalyzer(), true);

            for (int i = 0; i < 100000; i++)
            {
                Document df = new Document();

                for (int j = 0; j < 3; j++)
                {
                    Field f = new Field("FIELD_" + (i + 1),
Integer.toString(i), true, true, true);
                    df.add(f);
                }

                iw.addDocument(df);
                System.out.print('.');
            }
        }
        catch(Throwable t)
        {
            t.printStackTrace();
        }
    }


	java.io.FileNotFoundException: C:\temp\lutest\_2kk.f27 (Too many
open files) 	
		at java.io.RandomAccessFile.open(Native Method) 	
		at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98)

		at
java.io.RandomAccessFile.<init>(RandomAccessFile.java:143) 	
		at
org.apache.lucene.store.FSInputStream$Descriptor.<init>(FSDirectory.java:254
) 	
		at
org.apache.lucene.store.FSInputStream.<init>(FSDirectory.java:262) 	
		at
org.apache.lucene.store.FSDirectory.openFile(FSDirectory.java:211) 	
		at
org.apache.lucene.index.SegmentReader.openNorms(SegmentReader.java:259) 
		at
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:114) 	
		at
org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:304)

		at
org.apache.lucene.index.IndexWriter.maybeMergeSegments(IndexWriter.java:283)

		at
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:185) 	
		at
ch.abacus.lib.db.net.test.TestMain.createLuceneIndex(TestMain.java:147)

		at ch.abacus.lib.db.net.test.TestMain.main(TestMain.java:61)




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