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I get an error like the one above,

heroku logs --tail


The error was displayed as follows, but I do not understand well. Thank you.

2018-08-21T16: 33: 10.640934 + 00: 00 heroku [router]: at = error code = H10 desc = "App crashed" method = GET path = "/" host = aaaaaaaaablog.herokuapp. com request_id = 58c
43b7c-c4f7-42b7-a57b-5ccca3b84c38 fwd = "126.245.12.27" dyno = connect = service = status = 503 bytes = protocol = https
2018-08-21T16: 33: 11.513252 + 00: 00 heroku [router]: at = error code = H10 desc = "App crashed" method = GET path = "/ favicon.ico" host = aaaaaaaaablog.herokuapp.com req
uest_id = ddc27402-afae-408d-b8ee-51de41373c6b fwd = "126.245.12.27" dyno = connect = service = status = 503 bytes = protocol = https
2018-08-21T16: 33: 19.929440 + 00: 00 heroku [router]: at = error code = H10 desc = "App crashed" method = GET path = "/ admin" host = aaaaaaaaablog.herokuapp.com request_i
d = 5197cbf1-a212-4508-b718-62e64e5a7b3e fwd = "126.245.12.27" dyno = connect = service = status = 503 bytes = protocol = https
2018-08-21T16: 33: 20.181777 + 00: 00 heroku [router]: at = error code = H10 desc = "App crashed" method = GET path = "/ admin" host = aaaaaaaaablog.herokuapp.com request_i
d = 0a788633-b2c9-4bcb-aae0-3160182f69e2 fwd = "126.245.12.27" dyno = connect = service = status = 503 bytes = protocol = https
2018-08-21T16: 33: 20.977270 + 00: 00 heroku [router]: at = error code = H10 desc = "App crashed" method = GET path = "/ favicon.ico" host = aaaaaaaaablog.herokuapp.com req
uest_id = 24044ab9-c2a4-4974-872d-4782f3759da2 fwd = "126.245.12.27" dyno = connect = service = status = 503 bytes = protocol = https

Repository
https://github.com/yokopi521/django-

  • Answer # 1

    When a similar error occurs, an article describing the process of finding the cause from the log [Ruby on Rails Tutorial] What to do when Application error [H10 (App crashed)] occurs after deploying to Heroku Please read it as it may be helpful.

  • Answer # 2

    Are you operating normally in a local development environment?
    In that case, the possibility around DB is high.

    Is it connected to DB?

    Is migration done?

    Please check

    .

  • Answer # 3

    Because it is difficult to read, insert a line break

    2018-08-21T16: 33: 10.640934 + 00: 00
      heroku [router]:
        at = error
        code = H10
        desc = "App crashed"
        method = GET
        path = "/"
        host = aaaaaaaaablog.herokuapp.com
        request_id = 58c43b7c-c4f7-42b7-a57b-5ccca3b84c38
        fwd = "126.245.12.27"
        dyno =
        connect =
        service =
        status = 503
        bytes = protocol = https
    2018-08-21T16: 33: 11.513252 + 00: 00
      heroku [router]:
        at = error
        code = H10
        desc = "App crashed"
        method = GET
        path = "/ favicon.ico"
        host = aaaaaaaaablog.herokuapp.com
        request_id = ddc27402-afae-408d-b8ee-51de41373c6b
        fwd = "126.245.12.27"
        dyno =
        connect =
        service =
        status = 503
        bytes =
        protocol = https
    2018-08-21T16: 33: 19.929440 + 00: 00
      heroku [router]:
        at = error
        code = H10
        desc = "App crashed"
        method = GET
        path = "/ admin"
        host = aaaaaaaaablog.herokuapp.com
        request_id = 5197cbf1-a212-4508-b718-62e64e5a7b3e
        fwd = "126.245.12.27"
        dyno =
        connect =
        service =
        status = 503
        bytes =
        protocol = https
    2018-08-21T16: 33: 20.181777 + 00: 00
      heroku [router]:
        at = error
        code = H10
        desc = "App crashed"
        method = GET
        path = "/ admin"
        host = aaaaaaaaablog.herokuapp.com
        request_id = 0a788633-b2c9-4bcb-aae0-3160182f69e2
        fwd = "126.245.12.27"
        dyno =
        connect =
        service =
        status = 503
        bytes =
        protocol = https
    2018-08-21T16: 33: 20.977270 + 00: 00
      heroku [router]:
        at = error
        code = H10
        desc = "App crashed"
        method = GET
        path = "/ favicon.ico"
        host = aaaaaaaaablog.herokuapp.com
        request_id = 24044ab9-c2a4-4974-872d-4782f3759da2
        fwd = "126.245.12.27"
        dyno =
        connect =
        service =
        status = 503
        bytes =
        protocol = https