Troubleshooting of HTTP errors in Mandarin

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HTTP status code

🌐 Switch language: EN, 漢字


400 Bad Request

Root cause of 400 Bad Request. HTTP Error 400. The request is badly formed.

  • "the server cannot or will not process the request due to something that is perceived to be a client error (for example, malformed request syntax, invalid request message framing, or deceptive request routing)"[1]

Possibile solution:

  • Modify the request headers

403 Forbidden Error

How to fix the 403 forbidden error

404 File Not Found

解決方法：檢查存取的連結是否正確，詳見 找不到網頁的可能解決方法

405 Method Not Allowed Error

解決方法：檢查存取的文件或資源支援呼叫使用的 HTTP protocol [2]，例如限制使用 POST ，卻使用 GET 存取。

414 Request-URI Too Large

解決方法：請求協議改用 POST 而不是 GET[3]

415 Unsupported Media Type

解決方法：「於請求中設置的 Content-Type 或 Content-Encoding 或對資料的直接訪問」。參考資料：415 Unsupported Media Type - HTTP | MDN

例如：RESTful API 遇到該錯誤，可能解決方式是 HTTP Headers 加入 

Content-Type: application/json

429 Too Many Requests

原因：

  • 太頻繁存取網站資源

解決方法：

  • 調整存取頻率
  • 如果是存取網路服務 API，請閱讀文件了解 API 本身的存取頻率限制 (Rate Limits)

參考資料

502 Bad Gateway

原因：

  • 因為是網路設備間發生錯誤，使用者並無法直接處理[4]。

解決方法：

參考資料

Error 1020: Access Denied

Content-Type: application/json
200.jpg
From HTTP Cats

Related websites

其他可能原因

Related pages

References

  1. ↑ 400 Bad Request - HTTP | MDN
  2. ↑ 使用Http Post呼叫api卻收到405 method not allowed | 攻城獅的學習筆記 - 點部落
  3. ↑ 414 URI Too Long - HTTP | MDN
  4. ↑ 什麼是502 Bad Gateway錯誤以及如何解決（輕鬆修復指南）


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