[Qgis-user] failed to add WMS layer

[Bo Victor Thomsen]

Stewart..

It's the wms server that doesn't work. It has (probably) nothing to to 
with QGIS. I've tried the activate the wms address directly in a Firefox 
browser and it does not return a getcapabilities document (it doesn't 
return anything) .

The wmts adress works though.

Both the WMS and the WMTS addresses are correct according to this http 
page: 
https://basemap.nationalmap.gov/arcgis/rest/services/USGSTopo/MapServer

So I conclude, the USGS has a server/network problem. Since others on 
the list can get a list of layers using the same http address with QGIS 
it's probably a routing problem in the internal network of USGS.

Regards

Bo Victor Thomsen
AestasGIS, Denmark


Den 01-08-2019 kl. 20:08 skrev Stewart Holt:
> I use USGS WMS and WMTS layers. At some point in the recent past the 
> WMS layers stopped working. I am almost sure they have worked in QGIS 
> V3. I usually use WMTS because of the speed, but for final publishing, 
> I have seen some cases where a corresponding WMS layer is higher 
> definition, so I would like to be able to use it. Also the long 
> timeout while starting the project is unfortunate and I don't want to 
> delete the WMS layer. Here is a WMS layer which fails:
>
> https://basemap.nationalmap.gov/arcgis/services/USGSTopo/MapServer/WMSServer?request=GetCapabilities&service=WMS
>
> And a corresponding WMTS layer which works:
>
> https://basemap.nationalmap.gov/arcgis/rest/services/USGSTopo/MapServer/WMTS/1.0.0/WMTSCapabilities.xml
>
> On the failing WMS layer, I have removed it and added it back. When I 
> test it I get a message saying that a get capabilities request has 
> failed. I hope someone who might be able to figure out what is going 
> on can give this URL a try.
>
> Thanks,
>
> Stewart
>
> On Thu, Jul 25, 2019 at 12:20 PM Alessandro Pasotti 
> <apasotti at gmail.com <mailto:apasotti at gmail.com>> wrote:
>
>
>
>     On Thu, Jul 25, 2019 at 12:34 PM Manuel Fernandez
>     <mfc652000 at gmail.com <mailto:mfc652000 at gmail.com>> wrote:
>
>         Hi, everyone. I have a problem
>         When adding a WMS layer, I get this error:
>         Capabilities could not be downloaded: Capabilities download
>         failed: Connection closed.
>         It used to work.
>
>
>     Can you provide the WMS address?
>
>     BTW, I've recently hit a similar issues and it ended up being an
>     upstream QT issue: https://bugreports.qt.io/browse/QTBUG-76821
>
>
>         Thanks in advance
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>
>     -- 
>     Alessandro Pasotti
>     w3: www.itopen.it <http://www.itopen.it>
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-- 
Med venlig hilsen / Kind regards

Bo Victor Thomsen

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