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List:       kstars-devel
Subject:    Re: [Kstars-devel] Could not install USNO NOMAD
From:       Akarsh Simha <akarshsimha () gmail ! com>
Date:       2009-08-11 10:57:25
Message-ID: 20090811104525.GQ10333 () PENGUIN
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On Mon, Aug 10, 2009 at 11:01:04PM +0400, Alexey Khudyakov wrote:
> ?? ?????????????????? ???? ?????????????????????? 10 ?????????????? 2009 22:43:10 \
> ?????????? JeaMY Lee ??????????????:
> > hello,
> > 
> > fresh USNO-download with kstars ends in:
> > 
> > "QFile::at: Cannot set file position -2121848832"
> > 
> > the packed file with the "USNO-NOMAD-1e8.dat" was downloaded fully and
> > without errors from the server and stored in a random file.
> > -rw-r--r--  1 jeamy users 1450631611 10. Aug 18:47 Vj8hE66fAm
> > 
> > but the decompression failed with the error above.
> > see file size of the tar file (unpacked with KNewStuff2) against the
> > unpacked file :
> > -rw-------  1 jeamy users 2173122560 10. Aug 18:49 ktar-w26300.tar
> > -rw-r--r--  1 jeamy users 2173117930 10. Aug 18:51 USNO-NOMAD-1e8.dat
> > 
> > i did the decompression it on the command line to verify the integrity
> > of the downloaded file.
> > it works perfectly.
> > 
> > conclusion: the automatic download succeeds, but the decompression fails
> > at some point.
> > jeamy
> 
> I think it's 32-bit failure. 
> > -rw-------  1 jeamy users 2173122560 10. Aug 18:49 ktar-w26300.tar
> Slightly bigger than 2^31
> 
> > "QFile::at: Cannot set file position -2121848832" 
> About -2e+9 ~ 2^31
> 
> Probably int was used for storing of position instead of qint64.
> I suspect bug in KNewStuff2. 

Hi Alexey,

Thanks for the information. I've filed a bug against KNewStuff2. It
sounds pretty convincing to me that the overflowing of int is the
trouble.

Here's a link to the bug:
https://bugs.kde.org/show_bug.cgi?id=203414

Regards
Akarsh
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