Thanks a lot Mike! Your answer is really helpful. It was indeed caused by my sdcard, which turned into read-only mode under some situation.
Thanks for your time! On Fri, Nov 21, 2008 at 5:55 PM, Michael McCandless < [EMAIL PROTECTED]> wrote: > > That exception actually isn't during commit -- it's during addDocument. > Are you saying there was a separate thread calling commit at the same time? > > The error is very odd: Lucene is trying to create the file _3.fdt (open for > "rw" as you noted), yet hit a FileNotFoundException. Can you check that the > index directory is actually writable by your process, and reply back with > the "ls -l" output? > > The "unable to unlink" error is probably just Lucene trying to clean up on > handling the exception. > > It's OK for the JVM to be kill -9'd in 2.4 as well as 2.3 (it won't corrupt > your index). It's OS/hardware crashes, power loss, etc, where 2.3 could > corrupt the index but 2.4 shouldn't. > > Mike > > > Andrew Zhang wrote: > > Hi, >> >> I met FileNotFoundException when using lucene 2.4.0. Please see the stack >> trace[1] below. I checked the code of lucene-2.4, found the following code >> throws FileNotFoundException: >> >> file = new RandomAccessFile(path, "rw"); >> >> I checked system log, and found a warning before the exception: unable to >> unlink '/sdcard/.servo/.index/_3.fdt' (errno=2) >> >> Any hint what the problem is? Possible race condition during commit? >> >> My index process was killed by system somtimes, but I assume it's OK for >> lucene-2.4. >> >> Thanks a lot in advance! >> >> [1] >> java.io.FileNotFoundException: /sdcard/.servo/.index/_3.fdt >> at >> org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:227) >> at java.io.RandomAccessFile.<init>(RandomAccessFile.java:109) >> at >> org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:639) >> at >> org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:442) >> at org.apache.lucene.index.FieldsWriter.<init>(FieldsWriter.java:62) >> at >> org.apache.lucene.index.StoredFieldsWriter.initFieldsWriter(StoredFieldsWriter.java:67) >> at >> org.apache.lucene.index.StoredFieldsWriter.finishDocument(StoredFieldsWriter.java:141) >> at >> org.apache.lucene.index.StoredFieldsWriter$PerDoc.finish(StoredFieldsWriter.java:187) >> at >> org.apache.lucene.index.DocumentsWriter$WaitQueue.writeDocument(DocumentsWriter.java:1408) >> at >> org.apache.lucene.index.DocumentsWriter$WaitQueue.add(DocumentsWriter.java:1427) >> at >> org.apache.lucene.index.DocumentsWriter.finishDocument(DocumentsWriter.java:1062) >> at >> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:768) >> at >> org.apache.lucene.index.DocumentsWriter.addDocument(DocumentsWriter.java:743) >> at >> org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1902) >> at >> org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1880) >> >> >> -- >> Best regards, >> Andrew Zhang >> >> db4o - database for Android: www.db4o.com >> http://zhanghuangzhu.blogspot.com/ >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Best regards, Andrew Zhang db4o - database for Android: www.db4o.com http://zhanghuangzhu.blogspot.com/
