[Qgis-user] InvalidCRS with WMS request on QGIS-server 2.18.18

[galebellego.ext at orange.com]

Hello,

I encounter a problem with a (docker-hosted) version of QGIS-server 2.18.18 (built from Source).

When I perform a WMS request on server, I always get a InvalidCRS error :
<ServiceExceptionReport version="1.3.0"><ServiceException code="InvalidCRS">Could not create output CRS</ServiceException></ServiceExceptionReport>

The same request sent on a 3.1 version of qgis-server performs well!


http://myContainer/qgis?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image%2Fpng&TRANSPARENT=true&LAYERS=layer1&MAP=%2Fdata%2Ftest_2.18.qgs&CRS=EPSG%3A3857&STYLES=&WIDTH=2471&HEIGHT=1237&BBOX=-408661.0170981592%2C6217550.309401342%2C-361442.04287499154%2C6241188.460398533

(I also tried with version 1.1.1 and 'SRS').


When I perform getCapabilities, I saw thoses lines including an empty <CRS/> in the 2.18.18 response.
Since they are CRS-related, this might be a clue :

3.1
<Layer><Name>layer1</Name><Title>layer1</Title><CRS>CRS:84</CRS><CRS>EPSG:3857</CRS><CRS>EPSG:4326</CRS>

2.18.18
<Layer queryable="1"><Name>layer1</Name><Title>layer1</Title><CRS>CRS:84</CRS><CRS/><CRS>EPSG:4326</CRS><CRS>EPSG:3857</CRS>


The only other remarkable difference I noticed : it appeared that the QGIS_PROJECT_FILE in server 2.18.18 is not used (that's why I had to set it in the URL), when it is used in the 3.1 version.
There are other differences, but none that looked concerned with my problem ... according to me! I may be wrong indeed... thus you'll find both the response to getCapabilities enclosed!.


I have created a project from scratch, from a shapefile with a few dots, and still I have the problem..
The WMS capabilities are set, and the layer name as well as the BBOX and the file name are ok.

So if anyone has a tip here...

Thanks by Advance.


Gaël

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