[Qgis-developer] qt problem with JPEG on Ubuntu 12.04

[Marco Hugentobler]

Hi Andreas

I'm using 12.04 as well and it works for me with qgis_mapserv.fcgi 
linked against libjpeg.so.8

Could you check, if you have Qt's jpeg plugin installed 
(/usr/lib/x86_64-linux-gnu/qt4/plugins/imageformats/libqjpeg.so) ? It is 
contained in the package libqtgui4 and linked against libjpeg.so.8 too.

Regards,
Marco

On 25.12.2012 12:54, Andreas Neumann wrote:
> Hi,
>
> I upgraded my server from Ubuntu 10.04 LTS to 12.04 LTS. I recompiled 
> QGIS server with the new qt and JPEG libraries and the compile and 
> install went fine. However, since the upgrade, QGIS server cannot read 
> and write JPEG files anymore. QGIS server crashes whenever the source 
> (WMS) or the output involves a JPEG read or write. This is regardless 
> of the input raster source (could be TIFF or WMS). PNG and PNG8bit 
> output seems to work fine.
>
> I googled for qt and JPEG problems, but could not find much that 
> sounded similar to my problem.
>
> Using ldd I saw that qgis_mapserv.fcgi is linked against libjpeg.so.8 
> - is this a problem? Should it be linked against libjpeg.so.62?
>
> Thank you if you have any idea about my problem.
>
> Andreas
>


-- 
Dr. Marco Hugentobler
Sourcepole -  Linux & Open Source Solutions
Weberstrasse 5, CH-8004 Zürich, Switzerland
marco.hugentobler at sourcepole.ch http://www.sourcepole.ch
Technical Advisor QGIS Project Steering Committee