can't upload kontact-photos in roundcubemail

[mailingliste at dreampixel.de]

Zitat von "Jeroen van Meeuwen (Kolab Systems)" <vanmeeuwen at kolabsys.com>:
> On 2012-12-13 12:43, mailingliste at dreampixel.de wrote:

> Run:
> # chown -R apache:apache /var/log/roundcubemail


ok, I do it. Restart the complet server and try it again. The same,  
nothing happens. In /var/log/httpd/error_log i get the following error:

[Thu Dec 13 16:53:57 2012] [error] [client 192.168.1.106] PHP Fatal  
error:  Call to undefined function imagecreatefromjpeg() in  
/usr/share/roundcubemail/program/lib/Roundcube/rcube_image.php on line  
137, referer:  
http://kolab.local.lan/roundcubemail/?_task=addressbook&_framed=1&_action=edit&_source=Contacts&_cid=MTE2NjA5NzQtNDQ3NC0xMWUyLWE0MTEtNTI1NDAwNDQyMTE3
QFile::remove: Empty or null file name
unnamed app(1790) KSystemTimeZonesPrivate::readConfig: readConfig():  
local zone= "UTC"
unnamed app(1790) KSystemTimeZonesPrivate::readZoneTab: readZoneTab(  
"/usr/share/zoneinfo/zone.tab" )