I am collecting test results on this page:
- 
http://udig.refractions.net/confluence/display/COM/WPS+Testing#WPSTesting-GeoServer

Thus far I can make it through capabilities and am stuck on describe process 
... the client code is generating the wrong URL:
GENERATED: 
http://localhost:8080/geoserver/?REQUEST=DescribeProcess&IDENTIFIER=gt:buffer..
CORRECTED: 
http://localhost:8080/ows?geoserver/?REQUEST=DescribeProcess&IDENTIFIER=gt:buffer..
I checked the returned capabilities document - and that is indeed incorrect:

  <ows:Operation name="DescribeProcess">
   <ows:DCP>
    <ows:HTTP>
     <ows:Get
      
xlink:href="http://localhost:8080/geoserver/?service=wps&amp;request=DescribeProcess&amp;";
 />
     <ows:Post xlink:href="http://localhost:8080/geoserver/"; />
    </ows:HTTP>
   </ows:DCP>
  </ows:Operation>

Even with the correct URL I am getting a stack trace from GeoServer:

> org.geoserver.wps.WPSException: Could not find process parameter for type 
> LAYERS,class java.util.ArrayList
>       at 
> org.geoserver.wps.DescribeProcess.dataInputs(DescribeProcess.java:126)
>       at 
> org.geoserver.wps.DescribeProcess.processDescription(DescribeProcess.java:101)
>       at org.geoserver.wps.DescribeProcess.run(DescribeProcess.java:77)
>       at 
> org.geoserver.wps.DefaultWebProcessingService.describeProcess(DefaultWebProcessingService.java:62)

On the plus side some good news for the geotools-devel list:
- I have restored the unsupported/wps module test cases
- there is a test fixture to check against a local geoserver if you have it
- I am building up a stable of sample xml documents to parse against

Jody
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