HTTP 409 Conflict 表示請求與伺服器目前狀態衝突
衝突通常發生於 PUT 請求。如上傳一個已經有舊版本存在於伺服器的檔案而導致版本控制衝突時，會回復一個 409 錯誤。
狀態
409 Conflict
規範
| Specification | Title |
|---|---|
| RFC 7231, section 6.5.8: 409 Conflict | Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content |
409 Conflict
相關主題
- HTTP
- Guides:
- HTTP access control (CORS)
- HTTP authentication
- HTTP caching
- HTTP compression
- HTTP conditional requests
- HTTP content negotiation
- HTTP cookies
- HTTP range requests
- HTTP redirects
- HTTP specifications
- Feature policy
- References:
-
HTTP headers
Accept[Translate]Accept-Charset[Translate]Accept-Encoding[Translate]Accept-Language[Translate]Accept-Patch[Translate]Accept-Ranges[Translate]Access-Control-Allow-Credentials[Translate]Access-Control-Allow-Headers[Translate]Access-Control-Allow-Methods[Translate]Access-Control-Allow-Origin[Translate]Access-Control-Expose-Headers[Translate]Access-Control-Max-Age[Translate]Access-Control-Request-Headers[Translate]Access-Control-Request-Method[Translate]Age[Translate]Allow[Translate]Alt-Svc[Translate]Authorization[Translate]Cache-Control[Translate]Clear-Site-Data[Translate]Connection[Translate]Content-Disposition[Translate]Content-Encoding[Translate]Content-Language[Translate]Content-Length[Translate]Content-Location[Translate]Content-Range[Translate]Content-Security-Policy[Translate]Content-Security-Policy-Report-Only[Translate]Content-Type[Translate]Cookie[Translate]-
Cookie2[Translate] Cross-Origin-Resource-Policy[Translate]DNTDate[Translate]ETag[Translate]Early-Data[Translate]Expect[Translate]Expect-CT[Translate]Expires[Translate]-
Feature-Policy[Translate] Forwarded[Translate]From[Translate]Host[Translate]If-Match[Translate]If-Modified-Since[Translate]If-None-Match[Translate]If-Range[Translate]If-Unmodified-Since[Translate]Index[Translate]Keep-Alive[Translate]-
Large-Allocation[Translate] Last-Modified[Translate]Link[Translate]Location[Translate]Origin[Translate]-
Pragma[Translate] Proxy-Authenticate[Translate]Proxy-Authorization[Translate]Public-Key-Pins[Translate]Public-Key-Pins-Report-Only[Translate]Range[Translate]Referer[Translate]Referrer-Policy[Translate]Retry-After[Translate]Save-Data[Translate]Sec-WebSocket-Accept[Translate]ServerServer-Timing[Translate]Set-Cookie[Translate]-
Set-Cookie2[Translate] SourceMap[Translate]Strict-Transport-Security[Translate]TE[Translate]Timing-Allow-Origin[Translate]Tk[Translate]Trailer[Translate]Transfer-Encoding[Translate]Upgrade-Insecure-Requests[Translate]用戶代理Vary[Translate]Via[Translate]WWW-Authenticate[Translate]Warning[Translate]X-Content-Type-Options[Translate]X-DNS-Prefetch-Control[Translate]-
X-Forwarded-For -
X-Forwarded-Host[Translate] -
X-Forwarded-Proto[Translate] X-Frame-Options 回應標頭X-XSS-Protection[Translate]
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HTTP response status codes
100 Continue101 Switching Protocols103 Early Hints[Translate]200 OK201 Created202 Accepted203 Non-Authoritative Information204 No Content205 Reset Content206 Partial Content300 Multiple Choices301 Moved Permanently302 Found[Translate]303 See Other[Translate]304 Not Modified[Translate]307 Temporary Redirect[Translate]308 Permanent Redirect[Translate]400 Bad Request[Translate]401 Unauthorized[Translate]402 Payment Required[Translate]403 Forbidden404 Not Found405 Method Not Allowed[Translate]406 Not Acceptable[Translate]407 Proxy Authentication Required[Translate]408 Request Timeout[Translate]409 Conflict[Translate]410 Gone[Translate]411 Length Required[Translate]412 Precondition Failed[Translate]413 Payload Too Large[Translate]414 URI Too Long[Translate]415 Unsupported Media Type[Translate]416 Range Not Satisfiable[Translate]417 Expectation Failed[Translate]418 I'm a teapot422 Unprocessable Entity[Translate]425 Too Early[Translate]426 Upgrade Required[Translate]428 Precondition Required[Translate]429 Too Many Requests[Translate]431 Request Header Fields Too Large[Translate]451 Unavailable For Legal Reasons500 Internal Server Error501 Not Implemented[Translate]502 Bad Gateway[Translate]503 Service Unavailable[Translate]504 Gateway Timeout[Translate]505 HTTP Version Not Supported[Translate]511 Network Authentication Required[Translate]
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CSP directives
CSP: base-uri[Translate]CSP: block-all-mixed-content[Translate]CSP: child-src[Translate]CSP: connect-src[Translate]CSP: default-src[Translate]CSP: font-src[Translate]CSP: form-action[Translate]CSP: frame-ancestors[Translate]CSP: frame-src[Translate]CSP: img-src[Translate]CSP: manifest-src[Translate]CSP: media-src[Translate]CSP: object-src[Translate]CSP: plugin-types[Translate]CSP: referrer[Translate]CSP: report-uri[Translate]CSP: require-sri-for[Translate]CSP: sandbox[Translate]CSP: script-src[Translate]CSP: style-src[Translate]CSP: upgrade-insecure-requests[Translate]CSP: worker-src[Translate]report-to[Translate]
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CORS errors
- Reason: CORS disabled [Translate]
- Reason: CORS header 'Access-Control-Allow-Origin' does not match 'xyz' [Translate]
- 原因：缺少 CORS 標頭 'Access-Control-Allow-Origin'
- Reason: CORS header ‘Origin’ cannot be added [Translate]
- Reason: CORS preflight channel did not succeed [Translate]
- 原因：CORS 請求未成功
- Reason: CORS request external redirect not allowed [Translate]
- Reason: CORS request not HTTP [Translate]
- 原因：CORS 'Access-Control-Allow-Origin' 設定為「*」時不支援使用帳號密碼
- Reason: Did not find method in CORS header ‘Access-Control-Allow-Methods’ [Translate]
- Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowed [Translate]
- Reason: expected ‘true’ in CORS header ‘Access-Control-Allow-Credentials’ [Translate]
- Reason: invalid token ‘xyz’ in CORS header ‘Access-Control-Allow-Headers’ [Translate]
- Reason: invalid token ‘xyz’ in CORS header ‘Access-Control-Allow-Methods’ [Translate]
- Reason: missing token ‘xyz’ in CORS header ‘Access-Control-Allow-Headers’ from CORS preflight channel [Translate]
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Feature-Policy directives
- Feature-Policy: accelerometer [Translate]
- Feature-Policy: ambient-light-sensor [Translate]
- Feature-Policy: autoplay [Translate]
- Feature-Policy: camera [Translate]
- Feature-Policy: display-capture [Translate]
- Feature-Policy: document-domain [Translate]
- Feature-Policy: encrypted-media [Translate]
- Feature-Policy: fullscreen [Translate]
- Feature-Policy: geolocation [Translate]
- Feature-Policy: gyroscope [Translate]
- Feature-Policy: layout-animations [Translate]
- Feature-Policy: legacy-image-formats [Translate]
- Feature-Policy: magnetometer [Translate]
- Feature-Policy: microphone [Translate]
- Feature-Policy: midi [Translate]
- Feature-Policy: oversized-images [Translate]
- Feature-Policy: payment [Translate]
- Feature-Policy: picture-in-picture [Translate]
- Feature-Policy: speaker [Translate]
- Feature-Policy: sync-xhr [Translate]
- Feature-Policy: unoptimized-images [Translate]
- Feature-Policy: unsized-media [Translate]
- Feature-Policy: usb [Translate]
- Feature-Policy: vibrate [Translate]
- Feature-Policy: vr [Translate]
- Feature-Policy: wake-lock [Translate]