private void logRequestMessage() throws Exception {
    if (request != null) {
      log.trace("logRequestMessage()");

      MessageLog.log(requestSoap, request.getSignature(), true);
    }
  }
  private void logResponseMessage() throws Exception {
    log.trace("logResponseMessage()");

    MessageLog.log(response.getSoap(), response.getSignature(), true);
  }