[GRASS-dev] GRASS GIS 7 and QGIS connected using the Web Processing Service (WPS)

Soeren Gebbert soerengebbert at googlemail.com
Fri Apr 15 03:20:58 EDT 2011


Hi Moritz,
the problem may be related to the QGIS WPS plugin version. The plugin
is still in an experimental state and under active development, but
the latest SVN version should be usable. Which version of the plugin
do you use?

Best regards
Soeren

2011/4/14 Moritz Lennert <mlennert at club.worldonline.be>:
> Soeren,
>
> Thanks for the great work on WPS integration !
>
> On 28/01/11 11:44, Soeren Gebbert wrote:
>>
>> How to attach GRASS modules to PyWPS using the wps-grass-bridge is
>> documented here:
>> http://code.google.com/p/wps-grass-bridge/wiki/PyWPS_Integration
>>
>> Well, the code isn't stable yet but it demonstrates the possibilities
>> of this approach.
>
> I've tried following the above instructions, and the server does give a
> correct answer for GetCapabilities. I can also see the list of modules in
> the QGIS WPS plugin and get the GUI of a module. However, once I run the
> module I always get the following error, whatever the module I try:
>
>     <wps:ProcessFailed>
>            <wps:ExceptionReport>
>                <ows:Exception exceptionCode="NoApplicableCode">
>                    <ows:ExceptionText>argument 1 must be string or buffer,
> not None</ows:ExceptionText>
>                </ows:Exception>
>            </wps:ExceptionReport>
>        </wps:ProcessFailed>
>
>
> Any idea what could be wrong ? I can't find a way to see what URL the QGIS
> plugin sends to the server.
>
> Moritz
>
>


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