[Qgis-user] WMS hangs sometimes, Timeouts

Marco Hugentobler marco at hugis.net
Tue Oct 27 09:25:38 PDT 2009


Hi Andreas

Is there a public WMS where it is possible to reproduce the hangs?
Maybe the browser has a different timeout setting and sends the request again 
after a certain time.

Marco

Am Dienstag, 27. Oktober 2009 12.19:05 schrieb Andreas Neumann:
> Hi,
>
> I extensively use WMS to display raster data. The WMS is inhouse (in the
> same LAN). Unfortunately, I experience timeouts quite frequently, in
> average every 10 pan/zooms QGIS hangs, waits for 1-2 minutes and then
> displays an error message about a HTTP-Exception, also displaying the URL.
> When I copy/paste the URL to a web-browser, the link just works fine and
> loads immediately.
>
> The thing is that the WMS just works fine from other web-based
> applications and never hangs. I wonder what may be wrong with the way QGIS
> retrieves the WMS results and why it may hang so frequently?
>
> We have a proxy to access the internet, but I added our own WMS as a proxy
> exception, so it shouldn't go through the proxy.
>
> Do other people have the same problems?
>
> I am testing with latest trunk builds on Windows XP and Linux. Similar
> problems/results. The problem existed for a while with the trunk builds.
>
> Thanks for any hints on what we could do/try to resolve the issue. I will
> test the WMS with other clients (gvSig or uDig) to see if it hangs there
> as well or not.
>
> Andreas

-- 
Dr. Marco Hugentobler
HUGIS - GIS programming and consulting
Webereistrasse 66
CH-8134 Adliswil
marco at hugis.net
http://homepage.hispeed.ch/hugis



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