SpringBoot上传文件

报错

Current request is not a multipart request

@PostMapping(value = "/file/uploadchunk", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
    public ResponseResult uploadChunk(UploadReqDTO uploadReqDTO, @RequestParam("file") MultipartFile file) {
        try {
            byte[] bytes = file.getBytes();
            String fileName = StringEncryptUtil.string2MD5(uploadReqDTO.getFileName()) + uploadReqDTO.getSuffix();
            Path path = Paths.get(FileUtils.generatePath(filePath, uploadReqDTO.getFileCode(), fileName, uploadReqDTO.getPartNumber()));
            //文件写入指定路径
            Files.write(path, bytes);
            return ResponseResult.ok();
        } catch (IOException e) {
            e.printStackTrace();
            return ResponseResult.fail();
        }

    }