You should run CheckIndex to quickly get back to a usable index, but
it will remove any segments that have problems loading.
But... I'd like to get to the root cause here.
It looks like this is Lucene 2.2.0.
Somehow the file _w5.cfs is entirely missing.
Can you describe how your indexing process works? Do you copy your
index after using IndexWriter?
Is it at all possible two IndexWriters are in use against the same
directory? Can multiple machines do indexing against this directory?
(It looks like (since you're using a UNC path) you have an IndexWriter
open on a remote computer's directory.)
Mike
Chaula Ganatra wrote:
Hi,
I am again getting the following error while optimization.
java.io.FileNotFoundException: \\machine01\indexes\_w5.cfs (The system
cannot find the file specified)
16:20:57,533 INFO [STDOUT] : 140 at
java.io.RandomAccessFile.open(Native Method)
16:20:57,533 INFO [STDOUT] : 140 at
java.io.RandomAccessFile.<init>(Unknown Source)
16:20:57,533 INFO [STDOUT] : 140 at
org.apache.lucene.store.FSDirectory$FSIndexInput
$Descriptor.<init>(FSDir
ectory.java:506)
16:20:57,533 INFO [STDOUT] : 140 at
org.apache.lucene.store.FSDirectory
$FSIndexInput.<init>(FSDirectory.java
:536)
16:20:57,565 INFO [STDOUT] : 140 at
org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:445)
16:20:57,565 INFO [STDOUT] : 140 at
org
.apache.lucene.index.CompoundFileReader.<init>(CompoundFileReader.jav
a:70)
16:20:57,565 INFO [STDOUT] : 140 at
org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:
181)
16:20:57,565 INFO [STDOUT] : 140 at
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:167)
16:20:57,565 INFO [STDOUT] : 140 at
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:139)
16:20:57,565 INFO [STDOUT] : 140 at
org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:
1867)
16:20:57,565 INFO [STDOUT] : 140 at
org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:1231)
If I try to optimize it again then also getting the same error.
Can anyone please help me out? It is occurring on live environment.
Regards,
Chaula
-----Original Message-----
From: Michael McCandless [mailto:[EMAIL PROTECTED]
Sent: 26 September, 2008 8:00 PM
To: java-user@lucene.apache.org
Subject: Re: How to restore corrupted index
It's perfectly fine to have a reader open on an index, while an
IndexWriter runs optimize.
Which version of Lucene are you using? And which OS & filesystem?
Mike
Chaula Ganatra wrote:
It was the Reader on same index, which I did not close so gave
exception
in writer.optimise()
Chaula
-----Original Message-----
From: Michael McCandless [mailto:[EMAIL PROTECTED]
Sent: 26 September, 2008 7:17 PM
To: java-user@lucene.apache.org
Subject: Re: How to restore corrupted index
Can you post the full stack trace in both cases?
Mike
Chaula Ganatra wrote:
I found one case when such multiple files are remained, when we call
writer.optimise() it throws exception and multiple files remained in
index dir.
After such multiple files, when we add document in index by calling
writer.addDocument it throws java.lang.NegativeArraySizeException
Regards,
Chaula
-----Original Message-----
From: Grant Ingersoll [mailto:[EMAIL PROTECTED]
Sent: 26 September, 2008 6:02 PM
To: java-user@lucene.apache.org
Subject: Re: How to restore corrupted index
There is the CheckIndex tool included in the distribution for
checking/
fixing bad indexes, but it can't solve everything.
The bigger question is why it is happening to begin with. Can you
describe your indexing process? How do you know the index is
actually
corrupted? Are you seeing exceptions when opening it?
-Grant
On Sep 26, 2008, at 6:49 AM, Chaula Ganatra wrote:
We have an application in which index will be updated frequently.
During development time, found that index files gets corrupted,
i.e.
more than one cfs files,some other extension files e.g. frq, fnm,
nrm
Remains there in index directory.
Is there any way that such issue does not occur at all or if it
happens
we can recover the index data again?
It would be a great help, if some one can.
Regards,
Chaula
--------------------------
Grant Ingersoll
http://www.lucidimagination.com
Lucene Helpful Hints:
http://wiki.apache.org/lucene-java/BasicsOfPerformance
http://wiki.apache.org/lucene-java/LuceneFAQ
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