[Qgis-user] QGIS 2.18.2 can not see GRASS data / use GRASS algorithms

[Micha Silver]

Processing Toolbox still looks for GRASS at /usr/bin/grass70.
The workaround I used is to add a softlink:
sudo ln -s /usr/bin/grass72/usr/bin/grass70
It was already pointed [1] out that the correct solution would be for 
Processing to use the generic /usr/bin/grass which will always point to 
the current version.

[1]http://lists.osgeo.org/pipermail/qgis-user/2017-January/038874.html

On 2017-01-23 12:40 PM, Robert Nuske wrote:
> Dear benefactor,
>
> thanks a lot to the kind soul who did the packaging for 2.18.3 !
> I now can see and open my GRASS data again in QGIS.
>
>
> But I still can not execute GRASS commands from the Processing Toolbox.
> I still get the same error message claiming my GRASS is not installed
> correctly. But I can open GRASS 7.2 from the command line w/o problems.
>
> Is there a setting telling QGIS where to look for GRASS?
> I didn't find anything in the processing options. The GRASS GIS 7 commands are
> already activated and the path to the GRASS 7 docs is fine.
>
> cheers
>    robert
>
>
> Am Donnerstag, 12. Januar 2017, 16:25:07 CET schrieb Robert Nuske:
>> Dear List
>>
>> I can not see/load my GRASS data from within QGIS anymore and can not use
>> the GRASS algorithms offered in the Processing Toolbox (GRASS GIS 7
>> commands are activated in the Processing options).
>>
>> Trying to run v.info from the Toolbox I get the following error message:
>> ---
>> This algorithm cannot be run :-(
>> It seems that GRASS GIS 7 is not correctly installed and configured in your
>> system. Please install it before running GRASS GIS 7 algorithms.
>> ---
>>
>> Starting QGIS on the command line does not produce suspicious output:
>> ---
>> $ qgis
>> Warning: loading of qgis translation failed
>> [/usr/share/qgis/i18n//qgis_en_US] Warning: loading of qt translation
>> failed [/usr/share/qt4/translations/ qt_en_US]
>> Warning: QCss::Parser - Failed to load file  "/style.qss"
>> Warning: QLayout: Attempting to add QLayout "" to QgsPanelWidgetStack
>> "mWidgetStack", which already has a layout
>> ---
>>
>> QGIS 2.18.2  was installed this week on a new computer running kubuntu
>> 16.04.1 (xenial) amd64 using the following repositories
>>    deb http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu xenial
>> main deb http://qgis.org/ubuntugis xenial main
>> Please see below for a list of qgis related installed packages.
>>
>>
>> Do I use the wrong repositories or does anything else need to be configured?
>>
>> Any hints are more than welcome.
>>
>> Thanks
>>    Robert
>>
>> -----------------------------------------------------------
>>
>> $ dpkg -s qgis
>> Package: qgis
>> Status: install ok installed
>> Priority: optional
>> Section: science
>> Installed-Size: 18417
>> Maintainer: QGIS developers <qgis-developer at lists.osgeo.org>
>> Architecture: amd64
>> Version: 1:2.18.2+24xenial-ubuntugis
>>
>> $ dpkg -s grass
>> Package: grass
>> Status: install ok installed
>> Priority: optional
>> Section: metapackages
>> Installed-Size: 35
>> Maintainer: Debian GIS Project <pkg-grass-devel at lists.alioth.debian.org>
>> Architecture: all
>> Version: 7.2.0-1~xenial2
>>
>>
>> $ aptitude search qgis | grep ^i
>> i A libqgis-analysis2.18.2          - QGIS - shared analysis library
>> i A libqgis-app2.18.2               - QGIS - shared app library
>> i A libqgis-core2.18.2              - QGIS - shared core library
>> i A libqgis-customwidgets           - QGIS custom widgets for Qt Designer
>> i A libqgis-gui2.18.2               - QGIS - shared gui library
>> i A libqgis-networkanalysis2.18.2   - QGIS - shared network analysis library
>> i A libqgis-server2.18.2            - QGIS - shared server library i A
>> libqgisgrass7-2.18.2            - QGIS - shared grass library
>> i A libqgispython2.18.2             - QGIS - shared Python library
>> i A python-qgis                     - Python bindings to QGIS
>> i A python-qgis-common              - Python bindings to QGIS - architecture
>> i   qgis                            - Geografisches Informationssystem
>> (GIS) i A qgis-common                     - QGIS - architecture-independent
>> data i A qgis-plugin-globe               - OSG globe plugin for QGIS
>> i A qgis-plugin-globe-common        - OSG globe plugin for QGIS - arch
>> i A qgis-plugin-grass               - GRASS plugin for QGIS
>> i A qgis-plugin-grass-common        - GRASS plugin for QGIS - architecture
>> i A qgis-provider-grass             - GRASS provider for QGIS
>> i A qgis-providers                  - collection of data providers to QGIS
>> i A qgis-providers-common           - collection of data providers to QGIS
>>
>>
>> $ aptitude search grass | grep ^i
>> i   grass                           - Geographic Resources Analysis Support
>> i A grass-core                      - GRASS-GIS-Kernkomponenten
>> i A grass-doc                       - GRASS GIS user documentation
>> i A grass-gui                       - GRASS GIS graphical user interfaces
>> i A libqgisgrass7-2.18.2            - QGIS - shared grass library
>> i A qgis-plugin-grass               - GRASS plugin for QGIS
>> i A qgis-plugin-grass-common        - GRASS plugin for QGIS - architecture-
>> i A qgis-provider-grass             - GRASS provider for QGIS
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