OK. I really need to see those stack traces to better understand this issue.

Also, does the issue still happen on 2.3, or 2.4 RC2?

Mike

Chaula Ganatra wrote:

Lucene 2.2.0, windows XP

-----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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