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<reader.numDocs(); 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.println("adding " + file);
> writer.addDocument(FileDocument.Document(file));
> } else {}
> }
> }
> }
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