[ZOO-Discuss] Zoo Kernel fails on WPS zcfg without input parameter

[Gérald Fenoy]

Hi Matthias,
thanks a lot for your feedbacks.

You're right this should be supported, in fact it is regarding the results of my tests.

Indeed, I've tested with the following ZCFG [1] and the following service [2] and it 
is working pretty well. You can check the following requests to make sure it works :

 * DescribeProcess [3]
 * Execute [4]

I've used a simple Python service here. I noticed that you didn't specify when your
error occurs, is it happening when requesting for GetCapabilities, DescribeProcess 
or Execute ? If it is happening during Execute request, then please tell us the 
programming language used (I guess it is JAVA but I'm unsure).

Hope to hear from you,
Best regards,

[1] http://zoo-project.org/zcfgs-grass/DummyProcess.zcfg
[2] http://zoo-project.org/zcfgs-grass/test_dummy.py.txt
[3] http://www.zoo-project.org/cgi-grass/zoo_loader_20110504.cgi?request=DescribeProcess&service=WPS&version=1.0.0&Identifier=DummyProcess	
[4] http://www.zoo-project.org/cgi-grass/zoo_loader_20110504.cgi?request=Execute&service=WPS&version=1.0.0&Identifier=DummyProcess&DataInputs=

Le 24 mai 2011 à 10:42, Matthias Lendholt a écrit :

> Hi list,
> 
> I know that a WPS process without any input parameter is a rather 
> curious use case. However, it should be supported :)
> 
> I tested both
> <DataInputs />
> and
> <DataInputs>
> </DataInputs>
> but in both cases it ends up in an 'internal server error'.
> 
> 
> From my apache2 error log:
> 
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] Content-Type: 
> text/xml; charset=UTF-8\r
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] Status: 200 OK\r
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] \r
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] <?xml 
> version="1.0" encoding="UTF-8"?>
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] 
> <ows:ExceptionReport xmlns:ows="http://www.opengis.net/ows/1.1" 
> xsi:schemaLocation="http://www.opengis.net/ows/1.1 
> http://schemas.opengis.net/ows/1.1.0/owsExceptionReport.xsd" 
> xml:lang="en-US" version="1.1.0">
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] 
> <ows:Exception exceptionCode="InternalError">
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] 
> <ows:ExceptionText>ZOO Kernel failed to process your request receiving 
> signal 11 = SIGSEGV</ows:ExceptionText>
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1]   </ows:Exception>
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] 
> </ows:ExceptionReport>
> [Mon May 23 18:45:51 2011] [error] [client 192.168.56.1] Premature end 
> of script headers: zoo_loader.cgi
> 
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Gérald Fenoy
gerald.fenoy at geolabs.fr

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