StringWriter payloadSW = new StringWriter();
callEnv.marshall(payloadSW, smr, reqCtx);
reqCtx.setRootPart(payloadSW.toString(),
Constants.HEADERVAL_CONTENT_TYPE);
st.send(url, "", null, null, smr, reqCtx);
SOAPContext respCtx = st.getResponseSOAPContext();
String payloadStr = Call.getEnvelopeString(st);
Document respDoc = xpl.read("- SOAP RPC Response Envelope -",
new StringReader(payloadStr));