[Qgis-user] [ubuntu] Error when starting QGIS

[Andre Joost]

Am 22.11.18 um 11:45 schrieb Martin Weis:
> Am 22.11.18 um 09:47 schrieb psantana:
>> I installed via apt-get the latest version of QGIS following this
>> documentation:
>> https://qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu
>>
>> qgis=1:3.4.1+28bionic
>> ubuntu version: 18.04
>>
>> When starting to start the app I get this exception:
>>
>> $ qgis
>> /usr/bin/qgis.bin: relocation error:
>> /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5: symbol
>> _ZTI20QOpenGLShaderProgram version Qt_5 not defined in file libQt5Gui.so.5
>> with link time referenc>
>> I have installed these packages: qgis python-qgis qgis-plugin-grass
>>
>> Do you guys know where is the problem?
>
> Not exactly, but did you add the ubuntu-gis non-ltr ppa?
>
> Below is my qgis.list with all entries to quickly change between LTR and
> 3.4 versions by switching
> deb https://qgis.org/ubuntugis xenial main
> vs.
> deb https://qgis.org/ubuntugis-ltr xenial main
>
> You need also to change xenial to bionic everywhere.
>

No. Not yet.

Ubuntugis can be used only for xenial. The Ubuntugis ppa has currently 
no bionic package for gdal, so there is no bionic package in 
https://qgis.org/ubuntugis/. You need to stick to the 
https://qgis.org/ubuntu/ repo.

HTH,
Andre Joost