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From Michael McCandless <luc...@mikemccandless.com>
Subject Re: How to restore corrupted index
Date Fri, 26 Sep 2008 16:20:25 GMT

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:lucene@mikemccandless.com]
> 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:lucene@mikemccandless.com]
>> 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:gsingers@apache.org]
>>> 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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>>
>>
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>
>
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