I am trying to proxy multipart request via feign.

```
@PostMapping(value = "{pathUri1}/{pathUri2}",consumes = MediaType.MULTIPART_FORM_DATA_VALUE,produces = MediaType.APPLICATION_JSON_VALUE)
ResponseEntity<BaseResponse<?>> uploadFileCall(@PathVariable(value = "pathUri1") String pathUri1, @PathVariable(value = "pathUri2") String pathUri2, @RequestPart(name = "file") MultipartFile file, @RequestParam Map<Object,Object> requestParam, @RequestHeader HttpHeaders httpHeaders);

```

this is service call.

```
@Configuration
class MultipartSupportConfig {

    @Autowired
    ObjectFactory<HttpMessageConverters> messageConverters;

    @Bean
    @Primary
    @Scope("prototype")
    public Encoder feignFormEncoder() {
        return new SpringFormEncoder(new SpringEncoder(messageConverters));
    }
}

```

added encoder config for multipart/form-data .

I have followed this 
<https://github.com/OpenFeign/feign-form>

But I am getting `hystrixRunTimeException` which is caused because of 
java.lang.NoClassDefFoundError: feign/Request$Body error.