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<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 {} > > } > > } > > } > > > __________________________________________________ > Do you Yahoo!? > Yahoo! Tax Center - File online, calculators, forms, and more > http://tax.yahoo.com > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
