message: Fix NPE on HTTP errors.
diff: @@ -97,8 +97,7 @@ std::shared_ptr<encoding::EncoderProvider>
  CommunicationUtils::selectEncoder(const std::shared_ptr<http::incoming::Request>& request,
  const std::shared_ptr<http::encoding::EncoderCollection>& providers)
  {
  -
  - if(providers) {
  + if(providers && request) {
  auto suggested = request->getHeaders().getAsMemoryLabel<oatpp::data::share::StringKeyLabel>(Header::ACCEPT_ENCODING);
  