feign接口调用服务上传图片 报错 the request was rejected because no multipart boundary was found

在用postman 请求这个调用接口的时候，报了the request was rejected because no multipart boundary was found

1.首先检查是否导入了下面两个包

        io.github.openfeign.form
        feign-form
        3.2.2
    
    
        io.github.openfeign.form
        feign-form-spring
        3.2.2
    

2.再检查一下feign接口是否有如下参数

	
    @PostMapping(value = "/upload", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
    public R upload(@RequestPart(value = "file") MultipartFile file);

请求体必须是@RequestPart这个注解，
并且consumes=MediaType.MULTIPART_FORM_DATA_VALUE

因为源码里面content-type会被",“或”;"进行转换为Map，在org.apache.tomcat.util.http.fileupload.FileUploadbase.FileItemIteratorImpl#FileItemIteratorImpl抛出异常，所以大家一定要注意jar包版本问题。