StAXSOAPModelBuilder builder2 = new StAXSOAPModelBuilder(
getTestEnvelope().getXMLStreamReaderWithoutCaching(),
DOOMAbstractFactory.getSOAP11Factory(),
SOAP11Constants.SOAP_ENVELOPE_NAMESPACE_URI);
SOAPEnvelope envelope = builder2.getSOAPEnvelope();
envelope.build();
StringWriter writer = new StringWriter();
envelope.serialize(writer);
writer.flush();