https://help.heroku.com/UMAUQ4UF/why-am-i-seeing-application-error
Why am I seeing "Application Error"? - Heroku Help
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help.heroku.com
heroku logs --tail --app 앱 이름
앱이름이 = avatar일때,
heroku logs --tail --app avatar
이렇게 쓰면 됨.
heroku 서버 재시작
heroku restart
Heroku Error Codes
https://devcenter.heroku.com/articles/error-codes#h10-app-crashed
Heroku Error Codes | Heroku Dev Center
Heroku Error CodesLast updated 13 April 2020 Whenever your app experiences an error, Heroku will return a standard error page with the HTTP status code 503. To help you debug the underlying error, however, the platform will also add custom error informatio
devcenter.heroku.com
Last updated 13 April 2020
Table of Contents
- H10 - App crashed
- H11 - Backlog too deep
- H12 - Request timeout
- H13 - Connection closed without response
- H14 - No web dynos running
- H15 - Idle connection
- H16 - Redirect to herokuapp.com
- H17 - Poorly formatted HTTP response
- H18 - Server Request Interrupted
- H19 - Backend connection timeout
- H20 - App boot timeout
- H21 - Backend connection refused
- H22 - Connection limit reached
- H23 - Endpoint misconfigured
- H24 - Forced close
- H25 - HTTP Restriction
- H26 - Request Error
- H27 - Client Request Interrupted
- H28 - Client Connection Idle
- H80 - Maintenance mode
- H81 - Blank app
- H82 - Free dyno quota exhausted
- H99 - Platform error
- R10 - Boot timeout
- R12 - Exit timeout
- R13 - Attach error
- R14 - Memory quota exceeded
- R15 - Memory quota vastly exceeded
- R16 - Detached
- R17 - Checksum error
- R99 - Platform error
- L10 - Drain buffer overflow
- L11 - Tail buffer overflow
- L12 - Local buffer overflow
- L13 - Local delivery error
- L14 - Certificate validation error
- L15 - Tail buffer temporarily unavailable
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