Hello,
I guess the first question that I can think of is: does your service work with
the soap message that Taverna generates? If it doesn't then we will have to do
a bit more investigation ie. look at the workflow, services etc. Now, I'm not
really an expert on WSDL/SOAP but I don't think it should matter that the
prefix has changed as long as the namespaces are correct. It's not so much
that the namespace tags have changed just that the Taverna WSDL processor has
expanded everything and included the namespace tags inside each element where
they are referenced.
For example. the AcceptVersion bit has just been expanded to include any
namespace information inside it, the actual information is the same (I think).
<wps:AcceptVersions
xmlns:wps="http://www.opengis.net/wps/1.0.0";>
<ows:Version
xmlns:ows="http://www.opengis.net/ows/1.1";>1.0.0</ows:Version>
</wps:AcceptVersions>
<wps:AcceptVersions>
<ows:Version>1.0.0</ows:Version>
</wps:AcceptVersions>
If Stuart was around (he is on leave at the moment) I am sure he could tell you
exactly why Taverna does what it does but unfortunately until then you have my
slightly unsatisfactory answer.
Ian Dunlop
myGrid team
School of Computer Science
University of Manchester
On 13 Aug 2010, at 08:31, Jorge de Jesus wrote:
> Hi to all
>
> I am a newbie in Taverna and I am mainly working in Geo-Informatics.
>
> I am trying to run some GeoSpatial services with WSDL and for some
> reason that I don't understand there is a namespace change when my XML
> information is sent to the service.
>
> My workflow has an XML input file like this:
>
> <wps:GetCapabilities xmlns:ows="http://www.opengis.net/ows/1.1";
> xmlns:wps="http://www.opengis.net/wps/1.0.0";
> xmlns:xlink="http://www.w3.org/1999/xlink";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://www.opengis.net/wps/1.0.0
> ../wpsGetCapabilities_request.xsd" language="en" service="WPS">
> <wps:AcceptVersions>
> <ows:Version>1.0.0</ows:Version>
> </wps:AcceptVersions>
> </wps:GetCapabilities>
>
> BUT my service gets something like this:
>
> <soapenv:Envelope
> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/";
> xmlns:xsd="http://www.w3.org/2001/XMLSchema";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";><soapenv:Body>
> <ns1:GetCapabilities xmlns:ns1="http://www.opengis.net/wps/1.0.0";>
> <wps:AcceptVersions
> xmlns:wps="http://www.opengis.net/wps/1.0.0";>
> <ows:Version
> xmlns:ows="http://www.opengis.net/ows/1.1";>1.0.0</ows:Version>
> </wps:AcceptVersions>
> </ns1:GetCapabilities></soapenv:Body></soapenv:Envelope>
>
> The SOAP envelope is ok the problem is that element
> <wps:GetCapabilities> becomes <ns1:GetCapabilities>, the NameSpaceURI is
> correct "http://www.opengis.net/wps/1.0.0"; but the prefix has changed
> Also the namespace information has changes and xmls:wps namespace has
> jumped to the following tag (<wps:AcceptVersions>)
>
> I have the sensation that Taberna parses the XML input and then when it
> dumps it, it changes the prefix and drops/changes some of the namespace
> structure.
>
> My question is: Is this normal?!, if not is there a way that I can avoid
> it ?!
>
> Cheers
>
> Jorge
>
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