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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4467) SegmentReader.loadDeletedDocs FileNotFoundExceptio load _hko_7.del - corrupted index
Date Fri, 16 Nov 2012 12:46:12 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498776#comment-13498776
] 

Michael McCandless commented on LUCENE-4467:
--------------------------------------------

You can run CheckIndex -fix, to recover the index: it will delete any segments that it detects
corruption in.

Yes, only one IndexWriter at a time may have the index open, regardless of whether the IndexWriters
are in the same or difference processes.  The 2nd IndexWriter will wait until lock timeout
has elapsed and then give up.  The logic is very simplistic, and is really designed to protect
the Lucene index from corruption, not to make it easy to coordinate writing from multiple
writers.

But it looks like you hit corruption with a single writer?  Can you turn on IndexWriter's
infoStream, and next time the corruption happens, post that log?

Is this a local or remote filesystem?  Can you try upgrading Java (1.5.0_13 is quite old)
...
                
> SegmentReader.loadDeletedDocs FileNotFoundExceptio load _hko_7.del - corrupted index
> ------------------------------------------------------------------------------------
>
>                 Key: LUCENE-4467
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4467
>             Project: Lucene - Core
>          Issue Type: Bug
>    Affects Versions: 3.6
>         Environment: Currently using:
> java -version
> java version "1.5.0_13"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_13-b05)
> Java HotSpot(TM) Client VM (build 1.5.0_13-b05, mixed mode, sharing)
> Tomcat 5.5
> lucene 3.6.0
>            Reporter: B.Nicolotti
>         Attachments: index.zip
>
>
> We're using lucene to index XML. We've had it in test on a server for some weeks with
no problem, but today we've got the error below and the index seems no longer usable.
> Could you please tell us 
> 1) is there a way to recover the index?
> 2) is there a way to avoid this error?
> I can supply the index if needed
> many thanks
> Tue Oct 09 17:41:02 CEST 2012:com.siap.WebServices.Utility.UtiIndexerLucene caught an
exception: 32225010 java.io.FileNotFoundException
>  e.toString():java.io.FileNotFoundException: /usr/local/WS_DynPkg/logs/index/_hko_7.del
(No such file or directory),
>  e.getMessage():/usr/local/WS_DynPkg/logs/index/_hko_7.del (No such file or directory)
> java.io.RandomAccessFile.open(Native Method)
> java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
> org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput$Descriptor.<init>(SimpleFSDirectory.java:71)
> org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput.<init>(SimpleFSDirectory.java:98)
> org.apache.lucene.store.NIOFSDirectory$NIOFSIndexInput.<init>(NIOFSDirectory.java:92)
> org.apache.lucene.store.NIOFSDirectory.openInput(NIOFSDirectory.java:79)
> org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:345)
> org.apache.lucene.util.BitVector.<init>(BitVector.java:266)
> org.apache.lucene.index.SegmentReader.loadDeletedDocs(SegmentReader.java:160)
> org.apache.lucene.index.SegmentReader.get(SegmentReader.java:120)
> org.apache.lucene.index.IndexWriter$ReaderPool.get(IndexWriter.java:696)
> org.apache.lucene.index.IndexWriter$ReaderPool.get(IndexWriter.java:671)
> org.apache.lucene.index.BufferedDeletesStream.applyDeletes(BufferedDeletesStream.java:244)
> org.apache.lucene.index.IndexWriter.doFlush(IndexWriter.java:3608)
> org.apache.lucene.index.IndexWriter.flush(IndexWriter.java:3545)
> org.apache.lucene.index.IndexWriter.closeInternal(IndexWriter.java:1852)
> org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1812)
> org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1776)
> com.siap.WebServices.Utility.UtiIndexerLucene.delete(UtiIndexerLucene.java:143)
> com.siap.WebServices.Utility.UtiIndexerLucene.indexFile(UtiIndexerLucene.java:221)

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