[Lizmap] Printing complex base maps

[René-Luc Dhont]

Thanks Poalo,

The plan is firstly to create a test then try to fix it, like this QGIS 
Server issue https://github.com/qgis/QGIS/pull/35060

Regards,
René-Luc

Le 19/03/2020 à 12:00, Paolo Cavallini a écrit :
> Hi René-Luc
> we have found the issue: when >1 layers are grouped, they are not
> printed. So it looks definitely issue
> https://github.com/3liz/lizmap-web-client/issues/1555
> https://github.com/qgis/QGIS/issues/35107
> What are the plans for this?
> Cheers.
>
> Il 17/03/20 09:40, René-Luc Dhont ha scritto:
>> Hi Paolo,
>>
>> Probably, can you reproduce the issue about print ? not crash ?
>>
>> Regards
>> René-Luc
>>
>> Le 16/03/2020 à 19:30, Paolo Cavallini a écrit :
>>> Hi,
>>> could this be somewhat related to bug
>>> https://github.com/3liz/lizmap-web-client/issues/1555 ?
>>> Cheers.
>>>
>>> Il 09/03/20 12:55, Paolo Cavallini ha scritto:
>>>> Hi René-Luc,
>>>> I have done several tests, and while raster-based background layers are
>>>> printed correctly, a couple of layers coming from pg layers with complex
>>>> symbology are not rendered at all, even raising timeout to 1  min;
>>>> printing is fas, as if the backgrounds were not taken into account at
>>>> all.
>>>> I'm at loss here, any hint would be greatly appreciated.
>>>> Cheers.
>>>>
>>>> Il 04/03/20 11:52, René-Luc Dhont ha scritto:
>>>>> Hi Paolo,
>>>>>
>>>>> Do you have check your QGIS Server configuration stored in the
>>>>> QGIS3.ini
>>>>> file ?
>>>>>
>>>>> [qgis]
>>>>> networkAndProxy\networkTimeout=30000
>>>>> defaultTileExpiry=168
>>>>> defaultTileMaxRetry=2
>>>>> defaultCapabilitiesExpiry=24
>>>>> compileExpressions=true
>>>>> enable_render_caching=true
>>>>> parallel_rendering=true
>>>>>
>>>>> Reagrds,
>>>>> René-Luc
>>>>> Le 04/03/2020 à 11:25, Paolo Cavallini a écrit :
>>>>>> Hi all,
>>>>>> now trying to solve the issue in a stable way. Is there a guide on how
>>>>>> to do it? Caching does not seem to help much. Is the process I/O, CPU,
>>>>>> or RAM-bound?
>>>>>> Thanks for any hint.
>>>>>> Cheers.
>>>>>>
>>>>>> forget about it, it's just a timeout.
>>>>>> it would be nice to log it, anyway.
>>>>>> cheers.
>>>>>>
>>>>>> Il 02/03/20 09:54, Paolo Cavallini ha scritto:
>>>>>>> Hi all,
>>>>>>> I have a project with several complex and slow base maps (two
>>>>>>> external
>>>>>>> WMS anfd one local vector). Printing works fine, except for the fact
>>>>>>> that the base maps are not printed, even at low resolution (100 DPI).
>>>>>>> Nothing shown in the log, except for a probably not relevant:
>>>>>>> 2020-03-02 08:13:26    10.10.72.5    warning    2020-03-02
>>>>>>> 08:13:26    [2]
>>>>>>> file_get_contents(http://127.0.0.1/cgi-bin/qgis_mapserv.fcgi?service=WMS&request=GetCapabilitiesAtlas&map=%2Fhome%2Flizmap%2Fgeoportale%2FTest%2Eqgs):
>>>>>>>
>>>>>>>
>>>>>>> failed to open stream: HTTP request failed! HTTP/1.1 501 Not
>>>>>>> Implemented
>>>>>>>
>>>>>>> Is there any suggestion? Can increasing the timeout defaults solve
>>>>>>> the
>>>>>>> issue? Unfortunately the project is not public, so I cannot let
>>>>>>> you try.
>>>>>>> Thanks in advance.
>>>>>>> Cheers.
>>>>>>>
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