[mapserver-users] MapScript issue in multiple WCF apps (ASP.NET)

[Tamas Szekeres]

Hi Brian,

Got it, thanks. I'm going to inspect the problem and get back to you if I
have further questions.

Best regards,

Tamas




2011/3/9 Brian Poteat <Poteat.Brian at geoeye.com>

> Thanks Tamas,
>
> I put together a solution that mimics what I am doing at a very simple
> level and I got it to error fairly easily.
>
>
>
> This zip contains an example mapfile and the solution used to reproduce the
> setup. I just put everything in c:\tmp\test. The applications are .NET 4.0
> WCF endpoints and will install as IIS web services (so obviously you’ll need
> the appropriate software to build/run).
>
> http://dl.dropbox.com/u/649621/WcfMapScript.zip
>
>
>
> If you build the solution and then execute the following service requests
> in order, at some point the requests no longer return correct data. Asking
> for one layer will return the other. Sometimes the results vary but usually
> just mixing up the requested layers on the two different services will cause
> strange behavior.
>
>
>
>
> http://localhost/MapScriptService/MapScriptService.svc/ms?mapfile=C:\tmp\test\map.map&LAYERS=L54&CRS=EPSG:4326&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=60.999933182566,24.9997419977717,73.0167274,30.0446813&WIDTH=1032&HEIGHT=358<http://localhost/MapScriptService/MapScriptService.svc/ms?mapfile=C:%5Ctmp%5Ctest%5Cmap.map%26LAYERS%3DL54%26CRS%3DEPSG:4326&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=60.999933182566,24.9997419977717,73.0167274,30.0446813&WIDTH=1032&HEIGHT=358>
>
>
>
>
> http://localhost/MapScriptService2/MapScriptService.svc/ms?mapfile=C:\tmp\test\map.map&LAYERS=L57&CRS=EPSG:4326&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=60.999933182566,24.9997419977717,73.0167274,30.0446813&WIDTH=1032&HEIGHT=358<http://localhost/MapScriptService2/MapScriptService.svc/ms?mapfile=C:%5Ctmp%5Ctest%5Cmap.map%26LAYERS%3DL57%26CRS%3DEPSG:4326&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=60.999933182566,24.9997419977717,73.0167274,30.0446813&WIDTH=1032&HEIGHT=358>
>
>
>
>
> http://localhost/MapScriptService/MapScriptService.svc/ms?mapfile=C:\tmp\test\map.map&LAYERS=L57&CRS=EPSG:4326&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=60.999933182566,24.9997419977717,73.0167274,30.0446813&WIDTH=1032&HEIGHT=358<http://localhost/MapScriptService/MapScriptService.svc/ms?mapfile=C:%5Ctmp%5Ctest%5Cmap.map%26LAYERS%3DL57%26CRS%3DEPSG:4326&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=60.999933182566,24.9997419977717,73.0167274,30.0446813&WIDTH=1032&HEIGHT=358>
>
>
>
>
> http://localhost/MapScriptService2/MapScriptService.svc/ms?mapfile=C:\tmp\test\map.map&LAYERS=L54&CRS=EPSG:4326&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=60.999933182566,24.9997419977717,73.0167274,30.0446813&WIDTH=1032&HEIGHT=358<http://localhost/MapScriptService2/MapScriptService.svc/ms?mapfile=C:%5Ctmp%5Ctest%5Cmap.map%26LAYERS%3DL54%26CRS%3DEPSG:4326&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=60.999933182566,24.9997419977717,73.0167274,30.0446813&WIDTH=1032&HEIGHT=358>
>
>
>
> I apologize for the strange requests and images but I am a not really
> familiar with the mapfile format and just tried to reproduce the requests as
> closely as they were in a real environment.
>
> Brian
>
>
>
>
>
> *From:* Tamas Szekeres [mailto:szekerest at gmail.com]
> *Sent:* Tuesday, March 08, 2011 4:46 PM
> *To:* Brian Poteat
> *Cc:* mapserver-users at lists.osgeo.org
> *Subject:* Re: [mapserver-users] MapScript issue in multiple WCF apps (
> ASP.NET)
>
>
>
> Hi Brian,
>
>
> Could you provide the sequence of the requests, a mapfile example, that can
> be used to reproduce this problem?
> What do you mean by "configure them independently"? Different application
> pool for each service type?
>
> Best regards,
>
> Tamas
>
>
> 2011/3/8 Brian Poteat <Poteat.Brian at geoeye.com>
>
> I have a very strange issue while using MapScript from within some web
> service projects. I have different projects/applications for different
> services – one for each of WCF, WMS, WFS, and WMTS – so we can configure
> them independently. MapScript requests work fine for all of them separately
> but if I access MapScript from one and then another, one of them will not
> work correctly anymore. The requests will return success (result == 0) and
> the format returned is correct but the data is either null or an incorrect
> image. It doesn’t seem to be a threading issue since I can bombard any one
> of the services with asynchronous requests and they are handled fine and the
> problems don’t necessarily come while using the different applications at
> the same time – just one then the other.
>
>
>
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