V2EX bad request

Bad Request

Definition / 释义

Bad request:常指“错误请求”。在网络与编程语境中尤指 HTTP 400 Bad Request(400 错误请求)表示客户端发出的请求存在问题(如语法不合法、参数缺失/格式错误、请求体无法解析等),服务器无法理解或处理。

Pronunciation / 发音

/bd rkwst/

Examples / 例句

The server returned a bad request because the JSON was invalid.
服务器因为 JSON 无效而返回了错误请求

If the client sends missing or malformed parameters, the API may respond with 400 Bad Request, even though the server is running normally.
如果客户端发送的参数缺失或格式不正确,即使服务器运行正常,API 也可能返回 400 Bad Request(400 错误请求)

Etymology / 词源

由普通英语 bad(坏的)+ request(请求) 组成,本义是“有问题的请求”。在互联网发展后,该短语被 HTTP 协议标准化为状态码名称 “400 Bad Request”,成为技术领域的固定表达。

Related Words / 相词

Literary Works / 文学与作品例证

  • RFC 9110: HTTP Semantics(IETF 标准文档,列出并解释 400 Bad Request
  • RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content(旧版语义标准,同样包含 400 Bad Request 的用法)
  • MDN Web Docs(Mozilla Developer Network)相关页面:HTTP response status codes(开发者文档中频繁出现 400 Bad Request
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