[qgis-qwc2] Printing/Exporting Layers of different map themes

[Burghardt.Scholle at stadt.wolfsburg.de]

Hi Daniel,

this issue was fixed by Sourcepole two weeks ago. Please update the QWC2. The print-service is required. After that, printing layers from other maps works for the default tenant.

But there is still one restriction that the current user cannot be specified for external print layers. Therefore, only "public" sublayers can be displayed at the moment.

Regards
Burghardt

-----Ursprüngliche Nachricht-----
Von: qgis-qwc2 [mailto:qgis-qwc2-bounces at lists.osgeo.org] Im Auftrag von Daniel Cebulla
Gesendet: Freitag, 16. Juli 2021 08:49
An: qgis-qwc2 at lists.osgeo.org
Betreff: [qgis-qwc2] Printing/Exporting Layers of different map themes

Hello there,

May you can help me with the following issue.
We have running a QWC2 within a docker stack using the qwc-services.
Within the QWC2 there is the possibility the organize the layers in different map themes based on different QGIS projects. If the parameter "allowAddingOtherThemes" within the config.json is set to 'true', users can load other themes in addition to the current one to the map.
The issue occurs if you want to print this map now to pdf. The printing works only, if there are only layers from the initial theme in the map. 
But if I try to print the map with additional layers, I get the following error:

<ServiceExceptionReport version="1.3.0"> <ServiceException code="UnknownError"> The server encountered an internal error or misconfiguration and was unable to complete your request.
</ServiceException>
</ServiceExceptionReport>

As far as we know, this is not an error in relation to the qwc-print-service. This occurs also using the default print option without the service implemented. Is there anyone with the same issue or having ideas for a solution to fix this?

In addition there is a similar error using the raster-export tool. If you have more then one theme loaded and want to export a raster of the map, only the initial layers appear within the exported image.

Thanks in advance and greetings,
Daniel



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