REQUEST: POST /stk/InteropC.wsdl HTTP/1.1 Host: mssoapinterop.org Connection: Keep-Alive User-Agent: EasySoap++/0.6 Content-Type: text/xml; charset="UTF-8" SOAPAction: "http://soapinterop.org/" Content-Length: 631 This is a string in the header RESPONSE: HTTP/1.1 100 Continue Server: Microsoft-IIS/5.0 Date: Sat, 01 Dec 2001 00:37:00 GMT RESPONSE: HTTP/1.1 500 Internal Server Error Server: Microsoft-IIS/5.0 Date: Sat, 01 Dec 2001 00:37:00 GMT Content-Type: text/xml; charset="UTF-8" Content-Length: 1154 Expires: -1; SOAP-ENV:MustUnderstandSoap Header Handler: Reading soap headers failedhttp://mssoapinterop.org/stk/InteropC.wsdl-2146821188Soap Header HandlerReading soap headers failed-2146821188WSDLOperationReading the headers for method echoVoid failed-2146821188