[MapServer-users] Failed to download capabilities:Download of capabilities failed: Connection on mapfile with more than 1000 layers

Oskar Ravhed oskar.ravhed at t-kartor.com
Tue Dec 20 07:01:10 PST 2022


Hi it took 40 s


Merry Christmas

On 20/12/2022 15:38, Rahkonen Jukka wrote:
>
> Hi,
>
> The time is not a constant (number of layers * x milliseconds). For 
> example, it is faster to generate the layer BoundingBox into 
> GetCapabilities if the wms_extent metadata is set for the layer 
> https://www.mapserver.org/ogc/wms_server.html but how much faster it 
> is depends on the data source.
>
> I think that instead of 1200 layers you could have just one time 
> enabled layer https://www.mapserver.org/ogc/wms_time.html.
>
> -Jukka Rahkonen-
>
> *Lähettäjä:* MapServer-users <mapserver-users-bounces at lists.osgeo.org> 
> *Puolesta *Marcin Niemyjski via MapServer-users
> *Lähetetty:* tiistai 20. joulukuuta 2022 16.18
> *Vastaanottaja:* Oskar Ravhed <oskar.ravhed at t-kartor.com>; 
> mapserver-users at lists.osgeo.org
> *Aihe:* Re: [MapServer-users] Failed to download capabilities:Download 
> of capabilities failed: Connection on mapfile with more than 1000 layers
>
> Great advice, thank you Oskar.
>
> Could you tell me how long it takes to load the WMS into qgis or 
> GetCap with that many layers?
>
> I am also interested in what purpose you are using the WMS with this 
> amount of data. Could you share it? In my case it is daily Sentinel-1 
> imagery for the whole world from the beginning of 2021.
>
> Merry Christmas to all,
>
> Marcin
>
> ------------------------------------------------------------------------
>
> *From:*MapServer-users <mapserver-users-bounces at lists.osgeo.org> on 
> behalf of Oskar Ravhed <oskar.ravhed at t-kartor.com>
> *Sent:* Tuesday, December 20, 2022 1:08 PM
> *To:* mapserver-users at lists.osgeo.org <mapserver-users at lists.osgeo.org>
> *Subject:* Re: [MapServer-users] Failed to download 
> capabilities:Download of capabilities failed: Connection on mapfile 
> with more than 1000 layers
>
> Hello!
>
> I have 3234 layers in a service and it works fine. also works fine with
> 10.000 layers
>
> 1 try the getcap in browser
> 2a if step 1 is success change network timeout in qgis
> 2b if step 1 does not work change timeouts on server and check mapserver
> log
>
> On 20/12/2022 09:59, Jörg Thomsen (WhereGroup) wrote:
> > Hi,
> >
> > funny, how you type twelve.
> >
> > 1200 are very much and I guess no one has tried this before.
> > So to your question: I would say yes.
> >
> > I suggest to split it into several services / mapfiles. The
> > capability-xml ist very big I think and most clients will habe
> > problems with it. The usability is bad, the users have to scroll
> > through 1200 Layers, puh. And I don't know whether a getMap with
> > http-get will work (is there a current length-limit in http-get?).
> >
> >
> > Jörg
> >
> >
> >  Am 20.12.22 um 09:42 schrieb Marcin Niemyjski via MapServer-users:
> >> Hello,
> >>
> >> I have a mapfile which constist of 1200 layers. While loading to qgis
> >> error "Failed to download capabilities:Download of capabilities
> >> failed: Connection" is recived.
> >>
> >> Does this happen becaues of quantitu of layers in mapfile? Is there
> >> any workaround?
> >>
> >> Best,
> >> Marcin
> >>
> >> _______________________________________________
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