我仍然是新手，所以我不确定发生了什么。翻阅了Eric Mathes撰写的PCC书籍，这很棒，但是，由于使用了本书的第1版而不是最新的第2版，即使在将本书放到发球台上时，我也到处都遇到了一些错误。无论如何，我已经尝试了好几天了，才能弄清楚这个h10错误，但我不明白这是怎么回事。当我做“ Heroku打开”时，出现应用程序错误，而当我调查时，这就是我得到的： 预先感谢！
(11_env) Rezas-MacBook-Pro:learning_log papichulo$ heroku logs --tail
2019-10-04T09:29:06.956667+00:00 heroku[web.1]: Process exited with status 3
2019-10-04T09:41:27.299718+00:00 heroku[web.1]: State changed from crashed to starting
2019-10-04T09:41:32.445405+00:00 heroku[web.1]: Starting process with command `gunicorn learning_log.wsgi --log-file -`
2019-10-04T09:41:35.802943+00:00 heroku[web.1]: State changed from starting to up
2019-10-04T09:41:35.155219+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [4] [INFO] Starting gunicorn 19.9.0
2019-10-04T09:41:35.157841+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [4] [INFO] Listening at: http://0.0.0.0:11830 (4)
2019-10-04T09:41:35.158031+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [4] [INFO] Using worker: sync
2019-10-04T09:41:35.163938+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [10] [INFO] Booting worker with pid: 10
2019-10-04T09:41:35.181361+00:00 app[web.1]: [2019-10-04 09:41:35 +0000] [11] [INFO] Booting worker with pid: 11
2019-10-04T09:41:36.545969+00:00 heroku[web.1]: State changed from up to crashed
2019-10-04T09:41:36.519031+00:00 heroku[web.1]: Process exited with status 3
2019-10-04T09:41:36.252946+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [10] [ERROR] Exception in worker process
2019-10-04T09:41:36.252972+00:00 app[web.1]: Traceback (most recent call last):
2019-10-04T09:41:36.252978+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
2019-10-04T09:41:36.252981+00:00 app[web.1]: worker.init_process()
2019-10-04T09:41:36.252983+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/workers/base.py", line 129, in init_process
2019-10-04T09:41:36.252985+00:00 app[web.1]: self.load_wsgi()
2019-10-04T09:41:36.252987+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
2019-10-04T09:41:36.252989+00:00 app[web.1]: self.wsgi = self.app.wsgi()
2019-10-04T09:41:36.252992+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
2019-10-04T09:41:36.252994+00:00 app[web.1]: self.callable = self.load()
2019-10-04T09:41:36.252996+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
2019-10-04T09:41:36.252998+00:00 app[web.1]: return self.load_wsgiapp()
2019-10-04T09:41:36.253000+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
2019-10-04T09:41:36.253002+00:00 app[web.1]: return util.import_app(self.app_uri)
2019-10-04T09:41:36.253004+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/util.py", line 350, in import_app
2019-10-04T09:41:36.253006+00:00 app[web.1]: __import__(module)
2019-10-04T09:41:36.253009+00:00 app[web.1]: File "/app/learning_log/wsgi.py", line 16, in <module>
2019-10-04T09:41:36.253011+00:00 app[web.1]: application = Cling(get_wsgi_application())
2019-10-04T09:41:36.253013+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/core/wsgi.py", line 12, in get_wsgi_application
2019-10-04T09:41:36.253016+00:00 app[web.1]: django.setup(set_prefix=False)
2019-10-04T09:41:36.253018+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/__init__.py", line 19, in setup
2019-10-04T09:41:36.253020+00:00 app[web.1]: configure_logging(settings.LOGGING_CONFIG, settings.LOGGING)
2019-10-04T09:41:36.253022+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 79, in __getattr__
2019-10-04T09:41:36.253024+00:00 app[web.1]: self._setup(name)
2019-10-04T09:41:36.253026+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 66, in _setup
2019-10-04T09:41:36.253029+00:00 app[web.1]: self._wrapped = Settings(settings_module)
2019-10-04T09:41:36.253031+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 157, in __init__
2019-10-04T09:41:36.253033+00:00 app[web.1]: mod = importlib.import_module(self.SETTINGS_MODULE)
2019-10-04T09:41:36.253036+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/importlib/__init__.py", line 127, in import_module
2019-10-04T09:41:36.253038+00:00 app[web.1]: return _bootstrap._gcd_import(name[level:], package, level)
2019-10-04T09:41:36.253040+00:00 app[web.1]: File "/app/learning_log/settings.py", line 141, in <module>
2019-10-04T09:41:36.253042+00:00 app[web.1]: django_heroku.settings(locals())
2019-10-04T09:41:36.253044+00:00 app[web.1]: NameError: name 'django_heroku' is not defined
2019-10-04T09:41:36.253651+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [10] [INFO] Worker exiting (pid: 10)
2019-10-04T09:41:36.270886+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [11] [ERROR] Exception in worker process
2019-10-04T09:41:36.270891+00:00 app[web.1]: Traceback (most recent call last):
2019-10-04T09:41:36.270893+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
2019-10-04T09:41:36.270896+00:00 app[web.1]: worker.init_process()
2019-10-04T09:41:36.270898+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/workers/base.py", line 129, in init_process
2019-10-04T09:41:36.270900+00:00 app[web.1]: self.load_wsgi()
2019-10-04T09:41:36.270903+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
2019-10-04T09:41:36.270905+00:00 app[web.1]: self.wsgi = self.app.wsgi()
2019-10-04T09:41:36.270908+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
2019-10-04T09:41:36.270910+00:00 app[web.1]: self.callable = self.load()
2019-10-04T09:41:36.270912+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
2019-10-04T09:41:36.270914+00:00 app[web.1]: return self.load_wsgiapp()
2019-10-04T09:41:36.270916+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
2019-10-04T09:41:36.270918+00:00 app[web.1]: return util.import_app(self.app_uri)
2019-10-04T09:41:36.270920+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/util.py", line 350, in import_app
2019-10-04T09:41:36.270923+00:00 app[web.1]: __import__(module)
2019-10-04T09:41:36.270926+00:00 app[web.1]: File "/app/learning_log/wsgi.py", line 16, in <module>
2019-10-04T09:41:36.270928+00:00 app[web.1]: application = Cling(get_wsgi_application())
2019-10-04T09:41:36.270930+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/core/wsgi.py", line 12, in get_wsgi_application
2019-10-04T09:41:36.270932+00:00 app[web.1]: django.setup(set_prefix=False)
2019-10-04T09:41:36.270934+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/__init__.py", line 19, in setup
2019-10-04T09:41:36.270936+00:00 app[web.1]: configure_logging(settings.LOGGING_CONFIG, settings.LOGGING)
2019-10-04T09:41:36.270938+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 79, in __getattr__
2019-10-04T09:41:36.270941+00:00 app[web.1]: self._setup(name)
2019-10-04T09:41:36.270969+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 66, in _setup
2019-10-04T09:41:36.270972+00:00 app[web.1]: self._wrapped = Settings(settings_module)
2019-10-04T09:41:36.270974+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/site-packages/django/conf/__init__.py", line 157, in __init__
2019-10-04T09:41:36.270976+00:00 app[web.1]: mod = importlib.import_module(self.SETTINGS_MODULE)
2019-10-04T09:41:36.270978+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.7/importlib/__init__.py", line 127, in import_module
2019-10-04T09:41:36.270980+00:00 app[web.1]: return _bootstrap._gcd_import(name[level:], package, level)
2019-10-04T09:41:36.270982+00:00 app[web.1]: File "/app/learning_log/settings.py", line 141, in <module>
2019-10-04T09:41:36.270985+00:00 app[web.1]: django_heroku.settings(locals())
2019-10-04T09:41:36.270987+00:00 app[web.1]: NameError: name 'django_heroku' is not defined
2019-10-04T09:41:36.271225+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [11] [INFO] Worker exiting (pid: 11)
2019-10-04T09:41:36.433031+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [4] [INFO] Shutting down: Master
2019-10-04T09:41:36.433151+00:00 app[web.1]: [2019-10-04 09:41:36 +0000] [4] [INFO] Reason: Worker failed to boot.
2019-10-04T20:08:47.606934+00:00 app[api]: Starting process with command `rails console` by user rezazandirz@gmail.com
2019-10-04T20:08:52.599170+00:00 heroku[run.8901]: State changed from starting to up
2019-10-04T20:08:52.540958+00:00 heroku[run.8901]: Awaiting client
2019-10-04T20:08:52.558325+00:00 heroku[run.8901]: Starting process with command `rails console`
2019-10-04T20:08:56.882018+00:00 heroku[run.8901]: State changed from up to complete
2019-10-04T20:08:56.861916+00:00 heroku[run.8901]: Process exited with status 127
2019-10-04T20:09:15.082875+00:00 app[api]: Starting process with command `python console` by user rezazandirz@gmail.com
2019-10-04T20:09:20.315902+00:00 heroku[run.5310]: Awaiting client
2019-10-04T20:09:20.491124+00:00 heroku[run.5310]: State changed from starting to up
2019-10-04T20:09:20.340329+00:00 heroku[run.5310]: Starting process with command `python console`
2019-10-04T20:09:24.747343+00:00 heroku[run.5310]: State changed from up to complete
2019-10-04T20:09:24.740813+00:00 heroku[run.5310]: Process exited with status 2
2019-10-04T20:09:37.338658+00:00 app[api]: Starting process with command `django console` by user rezazandirz@gmail.com
2019-10-04T20:09:41.769787+00:00 heroku[run.1451]: State changed from starting to up
2019-10-04T20:09:41.628069+00:00 heroku[run.1451]: Awaiting client
2019-10-04T20:09:41.648952+00:00 heroku[run.1451]: Starting process with command `django console`
2019-10-04T20:09:46.022357+00:00 heroku[run.1451]: State changed from up to complete
2019-10-04T20:09:45.998729+00:00 heroku[run.1451]: Process exited with status 127
2019-10-05T17:02:41.040781+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=whispering-peak-53197.herokuapp.com request_id=3e2be804-3022-48a5-b18a-f1e8e25a5373 fwd="104.129.19.20" dyno= connect= service= status=503 bytes= protocol=https