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

[Andreas Neumann]

 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
 
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 Andreas Neumann
 Böschacherstrasse 10A
 8624 Grüt (Gossau ZH)
 Switzerland