in ddm-data-factory-feign-config/src/main/java/com/epam/digital/data/platform/datafactory/feign/decoder/DataFactoryErrorDecoder.java [109:118]
private SystemException serviceUnavailable(Response response) {
SystemErrorDto errorDto = new SystemErrorDto();
errorDto.setCode(HttpStatus.resolve(response.status()).name());
var dataFactoryError = DataFactoryError.fromNameOrDefaultRuntimeError(errorDto.getCode());
var localizedMessage = messageResolver.getMessage(dataFactoryError.getTitleKey());
errorDto.setLocalizedMessage(localizedMessage);
return new SystemException(errorDto);
}