FaultCustom fault = wsdlcustom.forceFaultCustomization(type);
QName fqname = new QName(sns, fault.getElementName());
MessagePart part = new MessagePart("fault", fqname);
fmsg = new Message(fault.getFaultName(), wns);
fmsg.getParts().add(part);
def.addMessage(fmsg);
def.addNamespace(sns);
// make sure the corresponding mapping exists
BindingMappingDetail detail = m_bindingGenerator.getMappingDetail(fault.getDataType());
if (detail == null) {