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Merged
Created Sep 29, 2026 by wangzp@wangzpOwner0 of 2 tasks completed0/2 tasks

fix: multipart 解析失败时返回统一的 400 提示

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  • Changes 1

Summary

  • MultipartException 在定位 Controller 之前抛出,带 RestController 限定的 CommonExceptionSupport 接不住,请求会落到 Spring Boot 默认 500。
  • 新增不带限定的 MultipartExceptionSupport,返回统一业务响应:status=400,文案为「请求格式错误,请使用 application/json」。

Test plan

  • 对 @RequestBody 接口(如 POST /box/v1/_box_login)以 multipart/form-data 且不带 boundary 发请求,响应为业务 400,不再是默认 Internal Server Error
  • 同接口用 application/json 正常请求不受影响
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Source branch: fix/multipart-exception-support