REQUEST: POST /cgi-bin/interopserver HTTP/1.1 Host: easysoap.sourceforge.net 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/1.1 500 Internal Server Error Date: Sat, 01 Dec 2001 00:27:38 GMT Server: Apache/1.3.20 (Unix) PHP/4.0.6 SOAPServer: EasySoap++/0.6 Content-Length: 506 Connection: close Content-Type: text/xml; charset="UTF-8" Failed to understand header "{http://other.soapinterop.org/echoheader/}:echoMeStringRequest" SOAP-ENV:MustUnderstand