Lizmap-web-client: Composer layouts not recognized at all when using QGIS3

[danzig666]

Composer layouts not recognized at all when using QGIS3.
A print button doesn't even show up in LizMap.

[Gustry]

@danzig666 Which version of Lizmap are you using?

3liz, do you confirm that only the master branch of LWC (aka 3.3) will be fully compatible with QGIS 3?

Do you have a known list of issues with QGIS 3 and Lizmap 3.2?

[danzig666]

@danzig666 Which version of Lizmap are you using?
3.2.0
3.1.16 did not work either.

[rldhont]

@danzig666 and @Gustry the next release 3.3.0 will be designed to be fully compatible with QGIS 3. Layouts are the main point to fix in 3.3.0

[nboisteault]

Here are two prints with montpellier project made in QGIS 2.18. Only server versions differ.

montpellier_Landscape_A4_QGIS_2.18_QGIS-Server_2.18.pdf
montpellier_Landscape_A4_QGIS_2.18_QGIS-Server_3.4.5.pdf

[rldhont]

@nboisteault the PR [Bugfix] Print with QGIS Server 3.0 and Project 2.18 #1115 fixing your example.

[nboisteault]

@rldhont : I have tested your PR. I changed QGIS version in admin to ≥ 3.0. The print is the same than it was.

[rldhont]

After changing the QGIS Server version you have to clean the vartmp to remove the cache

[nboisteault]

@rldhont : it is way better ! The only difference I see is the red rectangle above the map in the bottom right corner.
montpellier_Landscape_A4_QGIS-Server_3.4.5-with-bugfix.pdf

[rldhont]

Yes, QGIS Server 3 does not recognize 2.18 overview definition

So it works!

[rldhont]

Fixed by [Bugfix] Parsing QGS file build with QGIS 3 for printing #1137