409 Conflict

HTTP 409 Conflict 응답 상태 코드는 서버의 현재 상태와 요청이 충돌했음을 나타낸다.

충돌은 PUT 요청에 대응하여 발생할 가능성이 가장 높다. 예를 들어 서버에 이미 있는 파일보다 오래된 파일을 업로드할 때 409 응답이 발생하여 버전 제어 충돌이 발생할 수 있다.

Status

409 Conflict

Specifications

Specification Title
RFC 7231, section 6.5.8: 409 Conflict Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content

See also

관련 주제
  1. HTTP
  2. 가이드:
  3. 리소스와 URIs
    1. 웹의 리소스 식별하기
    2. 데이터 URIs
    3. MIME 타입 소개
    4. MIME 타입의 전체 리스트
    5. www와 non-www URL 중에서 선택하기
  4. HTTP 가이드
    1. HTTP 기본
    2. HTTP 개요
    3. HTTP의 진화
    4. HTTP 메시지
    5. 전형적인 HTTP 세션
    6. HTTP/1.x의 연결 관리
    7. 프로토콜 업그레이드 메커니즘
  5. HTTP 보안
    1. Content Security Policy (CSP)
    2. HTTP Public Key Pinning (HPKP)
    3. HTTP Strict Transport Security (HSTS)
    4. Cookie security
    5. X-Content-Type-Options
    6. X-Frame-Options
    7. X-XSS-Protection
    8. Mozilla web security guidelines
    9. Mozilla Observatory
  6. HTTP 접근 제어(CORS)
  7. HTTP 인증
  8. HTTP 캐싱
  9. HTTP 압축
  10. HTTP 조건부 요청
  11. HTTP 컨텐츠 협상
  12. HTTP 쿠키
  13. HTTP range 요청
  14. HTTP 리다이렉트
  15. HTTP 명세
  16. Feature policy
  17. 레퍼런스:
  18. HTTP 헤더
    1. Accept
    2. Accept-Charset
    3. Accept-Encoding
    4. Accept-Language
    5. Accept-Patch [Translate]
    6. Accept-Ranges
    7. Access-Control-Allow-Credentials
    8. Access-Control-Allow-Headers
    9. Access-Control-Allow-Methods [Translate]
    10. Access-Control-Allow-Origin
    11. Access-Control-Expose-Headers [Translate]
    12. Access-Control-Max-Age [Translate]
    13. Access-Control-Request-Headers [Translate]
    14. Access-Control-Request-Method [Translate]
    15. Age
    16. Allow [Translate]
    17. Alt-Svc [Translate]
    18. Authorization
    19. Cache-Control
    20. Clear-Site-Data [Translate]
    21. Connection
    22. Content-Disposition [Translate]
    23. Content-Encoding
    24. Content-Language
    25. Content-Length
    26. Content-Location
    27. Content-Range
    28. Content-Security-Policy
    29. Content-Security-Policy-Report-Only [Translate]
    30. Content-Type
    31. Cookie
    32. Cookie2 [Translate]
    33. Cross-Origin-Resource-Policy [Translate]
    34. DNT
    35. Date
    36. Digest [Translate]
    37. ETag
    38. Early-Data [Translate]
    39. Expect
    40. Expect-CT [Translate]
    41. Expires
    42. Feature-Policy [Translate]
    43. Forwarded
    44. From
    45. Host
    46. If-Match [Translate]
    47. If-Modified-Since
    48. If-None-Match [Translate]
    49. If-Range
    50. If-Unmodified-Since [Translate]
    51. Index [Translate]
    52. Keep-Alive
    53. Large-Allocation [Translate]
    54. Last-Modified
    55. Link [Translate]
    56. Location [Translate]
    57. Origin [Translate]
    58. Pragma
    59. Proxy-Authenticate [Translate]
    60. Proxy-Authorization [Translate]
    61. Public-Key-Pins [Translate]
    62. Public-Key-Pins-Report-Only [Translate]
    63. Range
    64. Referer
    65. Referrer-Policy [Translate]
    66. Retry-After
    67. Save-Data [Translate]
    68. Sec-WebSocket-Accept [Translate]
    69. Server
    70. Server-Timing [Translate]
    71. Set-Cookie
    72. Set-Cookie2 [Translate]
    73. SourceMap [Translate]
    74. Strict-Transport-Security
    75. TE [Translate]
    76. Timing-Allow-Origin [Translate]
    77. Tk [Translate]
    78. Trailer [Translate]
    79. Transfer-Encoding
    80. Upgrade-Insecure-Requests [Translate]
    81. User-Agent [Translate]
    82. Vary
    83. Via [Translate]
    84. WWW-Authenticate [Translate]
    85. Want-Digest [Translate]
    86. Warning [Translate]
    87. X-Content-Type-Options [Translate]
    88. X-DNS-Prefetch-Control [Translate]
    89. X-Forwarded-For
    90. X-Forwarded-Host [Translate]
    91. X-Forwarded-Proto
    92. X-Frame-Options
    93. X-XSS-Protection
  19. HTTP 요청 메소드
    1. CONNECT
    2. DELETE
    3. GET
    4. HEAD
    5. OPTIONS
    6. PATCH [Translate]
    7. POST
    8. PUT
    9. TRACE [Translate]
  20. HTTP 응답 상태 코드
    1. 100 Continue
    2. 101 Switching Protocols
    3. 103 Early Hints [Translate]
    4. 200 OK
    5. 201 Created
    6. 202 Accepted [Translate]
    7. 203 Non-Authoritative Information [Translate]
    8. 204 No Content [Translate]
    9. 205 Reset Content [Translate]
    10. 206 Partial Content
    11. 300 Multiple Choices [Translate]
    12. 301 Moved Permanently
    13. 302 Found
    14. 303 See Other [Translate]
    15. 304 Not Modified
    16. 307 Temporary Redirect [Translate]
    17. 308 Permanent Redirect [Translate]
    18. 400 Bad Request
    19. 401 Unauthorized [Translate]
    20. 402 Payment Required [Translate]
    21. 403 Forbidden
    22. 404 Not Found
    23. 405 Method Not Allowed
    24. 406 Not Acceptable [Translate]
    25. 407 Proxy Authentication Required [Translate]
    26. 408 Request Timeout [Translate]
    27. 409 Conflict [Translate]
    28. 410 Gone [Translate]
    29. 411 Length Required
    30. 412 Precondition Failed [Translate]
    31. 413 Payload Too Large
    32. 414 URI Too Long [Translate]
    33. 415 Unsupported Media Type [Translate]
    34. 416 Range Not Satisfiable
    35. 417 Expectation Failed [Translate]
    36. 418 I'm a teapot
    37. 422 Unprocessable Entity
    38. 425 Too Early [Translate]
    39. 426 Upgrade Required [Translate]
    40. 428 Precondition Required [Translate]
    41. 429 Too Many Requests [Translate]
    42. 431 Request Header Fields Too Large [Translate]
    43. 451 Unavailable For Legal Reasons [Translate]
    44. 500 Internal Server Error
    45. 501 Not Implemented [Translate]
    46. 502 Bad Gateway [Translate]
    47. 503 Service Unavailable
    48. 504 Gateway Timeout [Translate]
    49. 505 HTTP Version Not Supported [Translate]
    50. 511 Network Authentication Required [Translate]
  21. CSP 지시문
    1. CSP: base-uri [Translate]
    2. CSP: block-all-mixed-content [Translate]
    3. CSP: child-src [Translate]
    4. CSP: connect-src [Translate]
    5. CSP: default-src
    6. CSP: disown-opener [Translate]
    7. CSP: font-src [Translate]
    8. CSP: form-action [Translate]
    9. CSP: frame-ancestors [Translate]
    10. CSP: frame-src [Translate]
    11. CSP: img-src
    12. CSP: manifest-src [Translate]
    13. CSP: media-src
    14. CSP: navigate-to [Translate]
    15. CSP: object-src [Translate]
    16. CSP: plugin-types [Translate]
    17. CSP: prefetch-src [Translate]
    18. CSP: referrer [Translate]
    19. report-to
    20. CSP: report-uri [Translate]
    21. CSP: require-sri-for [Translate]
    22. CSP: sandbox [Translate]
    23. CSP: script-src
    24. CSP: script-src-attr [Translate]
    25. CSP: script-src-elem [Translate]
    26. CSP: style-src [Translate]
    27. CSP: style-src-attr [Translate]
    28. CSP: style-src-elem [Translate]
    29. CSP: trusted-types [Translate]
    30. CSP: upgrade-insecure-requests [Translate]
    31. CSP: worker-src [Translate]
  22. CORS 에러
    1. Reason: CORS disabled [Translate]
    2. Reason: CORS header 'Access-Control-Allow-Origin' does not match 'xyz' [Translate]
    3. Reason: CORS header 'Access-Control-Allow-Origin' missing [Translate]
    4. Reason: CORS header ‘Origin’ cannot be added [Translate]
    5. Reason: CORS preflight channel did not succeed [Translate]
    6. Reason: CORS request did not succeed
    7. Reason: CORS request external redirect not allowed [Translate]
    8. Reason: CORS request not HTTP [Translate]
    9. Reason: Credential is not supported if the CORS header ‘Access-Control-Allow-Origin’ is ‘*’ [Translate]
    10. Reason: Did not find method in CORS header ‘Access-Control-Allow-Methods’ [Translate]
    11. Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowed [Translate]
    12. Reason: expected ‘true’ in CORS header ‘Access-Control-Allow-Credentials’ [Translate]
    13. Reason: invalid token ‘xyz’ in CORS header ‘Access-Control-Allow-Headers’ [Translate]
    14. Reason: invalid token ‘xyz’ in CORS header ‘Access-Control-Allow-Methods’ [Translate]
    15. Reason: missing token ‘xyz’ in CORS header ‘Access-Control-Allow-Headers’ from CORS preflight channel [Translate]
  23. Feature-Policy 지시문
    1. Feature-Policy: accelerometer [Translate]
    2. Feature-Policy: ambient-light-sensor [Translate]
    3. Feature-Policy: autoplay [Translate]
    4. Feature-Policy: camera [Translate]
    5. Feature-Policy: display-capture [Translate]
    6. Feature-Policy: document-domain [Translate]
    7. Feature-Policy: encrypted-media [Translate]
    8. Feature-Policy: fullscreen [Translate]
    9. Feature-Policy: geolocation [Translate]
    10. Feature-Policy: gyroscope [Translate]
    11. Feature-Policy: layout-animations [Translate]
    12. Feature-Policy: legacy-image-formats [Translate]
    13. Feature-Policy: magnetometer [Translate]
    14. Feature-Policy: microphone [Translate]
    15. Feature-Policy: midi [Translate]
    16. Feature-Policy: oversized-images [Translate]
    17. Feature-Policy: payment [Translate]
    18. Feature-Policy: picture-in-picture [Translate]
    19. Feature-Policy: speaker [Translate]
    20. Feature-Policy: sync-xhr [Translate]
    21. Feature-Policy: unoptimized-images [Translate]
    22. Feature-Policy: unsized-media [Translate]
    23. Feature-Policy: usb [Translate]
    24. Feature-Policy: vibrate [Translate]
    25. Feature-Policy: vr [Translate]
    26. Feature-Policy: wake-lock [Translate]
    27. Feature-Policy: webauthn [Translate]
    28. Feature-Policy: xr [Translate]