Spring Cloud中使用Feign,@RequestBody无法继承的解决方案

@RequestMapping("/user")
public interface UserService {
    @RequestMapping(value = "/{userId}", method = RequestMethod.GET)
    UserDTO findUserById(@PathVariable("userId") Integer userId);
    @RequestMapping(value = "/update", method = RequestMethod.POST)
    boolean updateUser(@RequestBody UserDTO user);
}

 @Override
    public boolean updateUser(UserDTO user)
    {   
        LOGGER.info("===updateUser, id = " + user.getId() + " ,name= " + user.getUsername());
        return false;
    }

@Override
    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.hasParameterAnnotation(RequestBody.class);
    }

 @Override
    public boolean supportsParameter(MethodParameter parameter)
    {
        //springcloud的接口入参没有写@RequestBody，并且是自定义类型对象 也按JSON解析
        if (AnnotatedElementUtils.hasAnnotation(parameter.getContainingClass(), FeignClient.class) && isCustomizedType(parameter.getParameterType())) {
            return true;
        }
        return super.supportsParameter(parameter);
    }

public class XXXWebMvcConfig implements WebMvcConfigurer
{
@Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers)
    {
        StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter();
        stringHttpMessageConverter.setWriteAcceptCharset(false);
        List<HttpMessageConverter<?>> messageConverters = new ArrayList<>(5);
        messageConverters.add(new ByteArrayHttpMessageConverter());
        messageConverters.add(stringHttpMessageConverter);
        messageConverters.add(new SourceHttpMessageConverter<>());
        messageConverters.add(new AllEncompassingFormHttpMessageConverter());
        CustomizedMappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new CustomizedMappingJackson2HttpMessageConverter();
        jackson2HttpMessageConverter.setObjectMapper(defaultObjectMapper());
        messageConverters.add(jackson2HttpMessageConverter);
        ViomiMvcRequestResponseBodyMethodProcessor resolver = new ViomiMvcRequestResponseBodyMethodProcessor(messageConverters);
        resolvers.add(resolver);
    }

@RequestMapping(value = "/generate/password", method = RequestMethod.POST)
KeyResponse generatePassword(@RequestBody String passwordSeed);

hystrix.command.default.execution.isolation.thread.timeoutInMilliseconds: 5000

hystrix.command.default.execution.timeout.enabled: false

feign.hystrix.enabled: false

ApacheHttpClient.class 
  private ContentType getContentType(Request request) {
    ContentType contentType = ContentType.DEFAULT_TEXT;
    for (Map.Entry<String, Collection<String>> entry : request.headers().entrySet())
    // 这里会判断 如果没有指定 Content-Type 属性 就使用上面默认的 text/plain; charset=ISO-8859-1
    // 问题出在默认的 contentType ： 格式 text/plain; charset=ISO-8859-1 
    // 转到 ContentType.create(entry.getValue().iterator().next(), request.charset()); 方法中看
    if (entry.getKey().equalsIgnoreCase("Content-Type")) {
      Collection values = entry.getValue();
      if (values != null && !values.isEmpty()) {
        contentType = ContentType.create(entry.getValue().iterator().next(), request.charset());
        break;
      }
    }
    return contentType;
  }

ContentType.class
   public static ContentType create(final String mimeType, final Charset charset) {
        final String normalizedMimeType = Args.notBlank(mimeType, "MIME type").toLowerCase(Locale.ROOT);
 // 问题在这 check  中 valid f方法中
        Args.check(valid(normalizedMimeType), "MIME type may not contain reserved characters");
        return new ContentType(normalizedMimeType, charset);
    }
   private static boolean valid(final String s) {
        for (int i = 0; i < s.length(); i++) {
            final char ch = s.charAt(i);
     // 这里 在上面 text/plain;charset=UTF-8 中出现了 分号 导致检验没有通过 
            if (ch == '"' || ch == ',' || ch == ';') {
                return false;
            }
        }
        return true;
    }

@RequestMapping(value = "/generate/password", method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE)