Thank you Ian, it works. Kerr.
- Original Message -
From: "Ian Lea" <[EMAIL PROTECTED]>
To: "kerr" <[EMAIL PROTECTED]>
Cc: "Lucene Users List" <[EMAIL PROTECTED]>
Sent: Friday, April 04, 2003 4:55 AM
Subject: Re: about increment update
> Try this:
>
> 1. Open reader.
> 2. removeModifiedFiles(reader)
> 3. reader.close()
> 4. Open writer.
> 5. updateIndexDocs()
> 6. writer.close();
>
> i.e. don't have both reader and writer open at the same time.
>
> btw I suspect you might be removing index entries for files that
> have been modified, but adding all files. Another "index keeps
> growing" problem! Could be wrong.
>
>
> --
> Ian.
>
> > [EMAIL PROTECTED] (kerr) wrote
> >
> > Thank you Otis,
> > Yes, reader should be closed. But it isn't the reason of this Exception.
> > the errors happen before deleting file.
> >Kerr.
> > close()
> > Closes files associated with this index. Also saves any new deletions to disk. No
> > other methods should be called after this has been called.
> >
> > - Original Message -
> > From: "Otis Gospodnetic" <[EMAIL PROTECTED]>
> > To: "Lucene Users List" <[EMAIL PROTECTED]>
> > Sent: Thursday, April 03, 2003 12:14 PM
> > Subject: Re: about increment update
> >
> >
> > > Maybe this is missing?
> > > http://jakarta.apache.org/lucene/docs/api/org/apache/lucene/index/IndexReader.html#close()
> > >
> > > Otis
> > >
> > > --- kerr <[EMAIL PROTECTED]> wrote:
> > > > Hello everyone,
> > > > Here I try to increment update index file and follow the idea to
> > > > delete modified file first and re-add it. Here is the source.
> > > > But when I execute it, the index directory create a file(write.lock)
> > > > when execute the line
> > > > reader.delete(i);,
> > > > and caught a class java.io.IOException with message: Index locked
> > > > for write.
> > > > After that, when I execute the line
> > > > IndexWriter writer = new IndexWriter("index", new
> > > > StandardAnalyzer(), false);
> > > > caught a class java.io.IOException with message: Index locked for
> > > > write
> > > > if I delete the file(write.lock), the error will re-happen.
> > > > anyone can help and thanks.
> > > >Kerr.
> > > >
> > > >
> > > > import org.apache.lucene.analysis.standard.StandardAnalyzer;
> > > > import org.apache.lucene.index.IndexWriter;
> > > > import org.apache.lucene.document.Document;
> > > > import org.apache.lucene.document.Field;
> > > > import org.apache.lucene.store.Directory;
> > > > import org.apache.lucene.store.FSDirectory;
> > > > import org.apache.lucene.index.IndexReader;
> > > > import org.apache.lucene.index.Term;
> > > >
> > > > import java.io.File;
> > > > import java.util.Date;
> > > >
> > > >
> > > > public class UpdateIndexFiles {
> > > > public static void main(String[] args) {
> > > > try {
> > > > Date start = new Date();
> > > >
> > > > Directory directory = FSDirectory.getDirectory("index", false);
> > > > IndexReader reader = IndexReader.open(directory);
> > > > System.out.println(reader.isLocked(directory));
> > > > //reader.unlock(directory);
> > > > IndexWriter writer = new IndexWriter("index", new
> > > > StandardAnalyzer(), false);
> > > >
> > > > String base = "";
> > > > if (args.length == 0){
> > > > base = "D:\\Tomcat\\webapps\\ROOT\\test";
> > > > } else {
> > > > base = args[0];
> > > > }
> > > > removeModifiedFiles(reader);
> > > > updateIndexDocs(reader, writer, new File(base));
> > > >
> > > > writer.optimize();
> > > > writer.close();
> > > >
> > > > Date end = new Date();
> > > >
> > > > System.out.print(end.getTime() - start.getTime());
> > > > System.out.println(" total milliseconds");
> > > >
> > > > } catch (Exception e) {
> > > > System.out.println(" caught a " + e.getClass() +
> > > >"\n with message: " + e.getMessage());
> > > > e.printStackTrace();
> > > > }
> > > > }
> > > >
> > > > public static void removeModifiedFiles(IndexReader reader) throws
> > > > Exception {
> > > > Document adoc;
> > > > String path;
> > > > File aFile;
> > > > for (int i=0; i > > > adoc = reader.document(i);
> > > > path = adoc.get("path");
> > > > aFile = new File(path);
> > > > if (reader.lastModified(path) < aFile.lastModified()){
> > > > System.out.println(reader.isLocked(path));
> > > > reader.delete(i);
> > > > }
> > > > }
> > > > }
> > > >
> > > > public static void updateIndexDocs(IndexReader reader, IndexWriter
> > > > writer, File file)
> > > >throws Exception {
> > > >
> > > > if (file.isDirectory()) {
> > > > String[] files = file.list();
> > > > for (int i = 0; i < files.length; i++)
> > > > updateIndexDocs(reader, writer, new File(file, files[i]));
> > > > } else {
> > > > if (!reader.indexExists(file)){
> > > > System.out.pri
