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From mark harwood <markharw...@yahoo.co.uk>
Subject Re: Corrupt segments file full of zeros
Date Tue, 28 Jun 2011 12:08:57 GMT
According to the spec there should at least be an Int32 of  -9 to declare the 
Format - http://lucene.apache.org/java/2_9_3/fileformats.html#Segments File



----- Original Message ----
From: Uwe Schindler <uwe@thetaphi.de>
To: java-user@lucene.apache.org
Sent: Tue, 28 June, 2011 12:32:34
Subject: RE: Corrupt segments file full of zeros

So where is the problem at all? Why should a segments file not contain lots
of zeroes? If the index is not corrupt all is fine.

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Tarr, Gregory [mailto:Gregory.tarr@detica.com]
> Sent: Tuesday, June 28, 2011 11:56 AM
> To: java-user@lucene.apache.org
> Subject: RE: Corrupt segments file full of zeros
> 
> Yes I have done that, and you just get "No problems were detected with
this
> index"
> 
> Surely there is a major problem with this index?
> 
> Also the check() procedure takes a long time - is there any way you can
just
> do a health check on the segments file?
> 
> Thanks
> 
> Greg
> 
> -----Original Message-----
> From: Shai Erera [mailto:serera@gmail.com]
> Sent: 28 June 2011 10:36
> To: java-user@lucene.apache.org
> Subject: Re: Corrupt segments file full of zeros
> 
> You can try the CheckIndex tool. You feed it a directory and call
> .check() and it reports the results.
> 
> Shai
> 
> On Tue, Jun 28, 2011 at 11:46 AM, Tarr, Gregory
> <Gregory.tarr@detica.com>wrote:
> 
> > We have a problem with our fileserver where our indexes are hosted
> > remotely, using Lucene 2.9.3.
> >
> > This can mean that a segments file is written which is full of ASCII
> > zeros. Using the od -ah command, we get:
> >
> > 0000000 nul nul nul nul nul nul nul....etc
> >
> > If opened in Luke, the index opens successfully but has zero
> documents.
> >
> > Why does this open correctly in luke, and is there a procedure in the
> > lucene code that can verify a segments file, e.g. check whether it
> > refers to any segments?
> >
> > Thanks
> >
> > Greg
> >
> >
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