In Teiid Designer (JBDS) installed on Windows, the "WSDL to Relational Source Model" importer fails if the WSDL file is on the file system with "An error was encountered setting up WSDl validation.: The Content Type found at file://C:\Documents and Settings\debbie\Desktop\CountryInfoService.wsdl, content/unknown, is not valid for WSDL. Expecting text/xml or application/xml.
com.metamatrix.modeler.modelgenerator.wsdl.validation.WSDLValidationException
0:0 - The WSDL document file://C:\Documents and Settings\debbie\Desktop\CountryInfoService.wsdl could not be read."

If you run the import with the URL: http://www.oorsprong.org/websamples.countryinfo/CountryInfoService.wso?WSDL
it succeeds. If you run it on a Linux JBDS from the filesystem it succeeds.