[QGIS-Developer] QGIS Server 2.x and caching question

[René-Luc Dhont]

Hi Andreas,

We didn't yet find shadow layers in QGIS 3, but I don't think it has 
been fixed because it's a silent issue for desktop users.

Regards,
René-Luc

Le 12/06/2019 à 11:01, Andreas Neumann a écrit :
>
> Hi René-Luc,
>
> Thanks for the reply. Good to know that we are not the only ones 
> struggling with such issues.
>
> Is this known issue in QGIS 2.x only or also in QGIS 3.x?
>
> I will also have a look at the Layer Board plugin and see what it does 
> and how it could help us.
>
> Thanks,
>
> Andreas
>
> On 2019-06-12 10:02, René-Luc Dhont wrote:
>
>> Hi Andreas,
>>
>> It's a known issue. It is not easy to understand because it's due to 
>> SHADOW layers...
>> Some times, QGIS keeps some undisplayed layers with the same UUID and 
>> stored it in the QGIS project.
>>
>> You can use Layer Board plugin to remove them.
>>
>> Regards,
>> René-Luc
>>
>> Le 11/06/2019 à 18:28, Andreas Neumann a écrit :
>>>
>>> Hi all,
>>>
>>> At my new work place we are running a 2.x QGIS server which in two 
>>> projects behaves very strange: sometimes colors display in the color 
>>> we expected, sometimes really light. Then my colleagues discovered 
>>> that more than rules share the same UUID identifier, because the QGS 
>>> files have been copy pasted into a anew project and then aggregated 
>>> again into the same single project.
>>>
>>> Not knowing about the internals of QGIS server 2x (and 3x) I wonder 
>>> if this something we need to avoid? Are the UUID identifiers of a 
>>> symbology rule relevant and absolutely need to be unique? Do we have 
>>> to avoid such id clashes?
>>>
>>> The "human readable" nature of qgs/qml files naturally seduce people 
>>> to copy / paste and mix project stuff together in text editors ...
>>>
>>> Thank you for your feedback on this topic.
>>>
>>> Andreas
>>>
>>>
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>>
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