title: heroku host successfully but application error
body: <p>I successfully deploy the to Heroku. but when I run Heroku open it throws Application error occurred &quot;An error occurred in application and your page could not be served. if you are the application owner, check your logs for details</p>
  <p>my logs is here</p>
  <pre><code>2022-01-23T02:24:56.663017+00:00 app[api]: Initial release by user victchubxy@gmail.com
  2022-01-23T02:24:56.663017+00:00 app[api]: Release v1 created by user victchubxy@gmail.com
  2022-01-23T02:24:56.822006+00:00 app[api]: Release v2 created by user victchubxy@gmail.com
  2022-01-23T02:24:56.822006+00:00 app[api]: Enable Logplex by user victchubxy@gmail.com
  2022-01-24T02:06:26.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-01-24T02:06:27.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/b6179e58-ffa5-4189-964c-63cbc70d8d08
  2022-01-24T02:26:50.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-01-24T02:26:51.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/8c889fa0-73c2-4257-b19d-ca893a595436
  2022-01-24T03:22:22.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-01-24T03:22:23.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/634953f5-1324-4dd4-afbc-35bc9296c1b8
  2022-01-24T03:23:35.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-01-24T03:23:36.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/9da67c75-fb7c-4178-98c9-8e05551efb06
  2022-01-24T03:38:33.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-01-24T03:38:34.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/b84dff51-b132-417a-aca9-cba9f79e549c
  2022-01-31T02:21:07.844606+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/&quot; host=hidden-hollows-48192.herokuapp.com request_id=ef621c27-e056-43fb-af5d-feecc2a18e7f fwd=&quot;197.210.79.99&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-01-31T02:39:40.874045+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/&quot; host=hidden-hollows-48192.herokuapp.com request_id=4e6586b7-4de1-491a-a4fb-dfcfdb3820cd fwd=&quot;197.210.79.240&quot; dyno= connect= service= status=502 bytes= protocol=http
  2022-01-31T02:39:42.062534+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/favicon.ico&quot; host=hidden-hollows-48192.herokuapp.com request_id=21321b93-d58a-4c7c-b248-39b44c7bb521 fwd=&quot;197.210.84.134&quot; dyno= connect= service= status=502 bytes= protocol=http
  2022-01-31T03:02:37.593177+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/&quot; host=hidden-hollows-48192.herokuapp.com request_id=cee5f377-a3e4-4fd5-9fab-2554bc86c45d fwd=&quot;197.210.79.99&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-01-31T03:02:38.216821+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/favicon.ico&quot; host=hidden-hollows-48192.herokuapp.com request_id=24fdd906-cac4-4641-bbfc-e5aaf6c8a145 fwd=&quot;197.210.79.39&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-01-31T03:03:22.551117+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/&quot; host=hidden-hollows-48192.herokuapp.com request_id=eb30f5e5-6cb2-4a4b-961e-f79707d6b493 fwd=&quot;197.210.85.36&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-01-31T03:03:22.933652+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/favicon.ico&quot; host=hidden-hollows-48192.herokuapp.com request_id=88729f78-14f2-42ee-8bd6-7efdb15b0500 fwd=&quot;197.210.79.99&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-01-31T03:06:04.623486+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/&quot; host=hidden-hollows-48192.herokuapp.com request_id=6b1e3809-b59e-48f3-8e2f-9b052ed462c8 fwd=&quot;197.210.84.134&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-01-31T03:06:05.032151+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/favicon.ico&quot; host=hidden-hollows-48192.herokuapp.com request_id=b1366d98-f6a2-4687-b6b7-eac493eed452 fwd=&quot;197.210.84.134&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-01-31T03:11:09.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-01-31T03:11:10.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/14173c83-3f3c-4ef6-bbba-20fa3576980d
  2022-01-31T03:25:15.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-01-31T03:25:16.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/9ea12cf9-389b-47a3-8b9f-2f8930fb16f6
  2022-01-31T03:33:28.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-01-31T03:33:29.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/19ffd7ea-a1ab-4c08-b1bc-43c4f2039b51
  2022-01-31T03:34:34.339538+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/&quot; host=hidden-hollows-48192.herokuapp.com request_id=bebf984c-166a-4e25-9fef-537783a39bcd fwd=&quot;197.210.85.195&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-01-31T03:34:36.434098+00:00 heroku[router]: at=info code=H81 desc=&quot;Blank app&quot; method=GET path=&quot;/favicon.ico&quot; host=hidden-hollows-48192.herokuapp.com request_id=c4193d5f-5392-497c-9193-538e089982bb fwd=&quot;197.210.84.134&quot; dyno= connect= service= status=502 bytes= protocol=https
  2022-02-04T04:02:35.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-02-04T04:02:36.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/3b3cc9b5-d9c8-428e-bf66-a904f2845a55
  2022-02-06T00:18:37.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-02-06T00:18:52.000000+00:00 app[api]: Build failed -- check your build output: https://dashboard.heroku.com/apps/af9da633-ce1d-4e6b-bd49-51c06b87f315/activity/builds/4f5d6dfb-cb70-4e67-8f55-0160c6fcdad5
  2022-02-06T00:35:11.055418+00:00 app[api]: Set DISABLE_COLLECTSTATIC config vars by user victchubxy@gmail.com
  2022-02-06T00:35:11.055418+00:00 app[api]: Release v3 created by user victchubxy@gmail.com
  2022-02-06T00:36:08.000000+00:00 app[api]: Build started by user victchubxy@gmail.com
  2022-02-06T00:36:33.833133+00:00 app[api]: Running release v4 commands by user victchubxy@gmail.com
  2022-02-06T00:36:33.833133+00:00 app[api]: Attach DATABASE (@ref:postgresql-slippery-32090) by user victchubxy@gmail.com
  2022-02-06T00:36:33.847549+00:00 app[api]: @ref:postgresql-slippery-32090 completed provisioning, setting DATABASE_URL. by user victchubxy@gmail.com
  2022-02-06T00:36:33.847549+00:00 app[api]: Release v5 created by user victchubxy@gmail.com
  2022-02-06T00:36:34.166629+00:00 app[api]: Release v6 created by user victchubxy@gmail.com
  2022-02-06T00:36:34.166629+00:00 app[api]: Deploy 36894e62 by user victchubxy@gmail.com
  2022-02-06T00:36:43.000000+00:00 app[api]: Build succeeded
  2022-02-06T00:49:58.544777+00:00 heroku[router]: at=error code=H14 desc=&quot;No web processes running&quot; method=GET path=&quot;/&quot; host=hidden-hollows-48192.herokuapp.com request_id=3bbaf4e4-1d78-4ef8-81aa-4c83b42579ab fwd=&quot;197.210.85.173&quot; dyno= connect= service= status=503 bytes= protocol=https
  2022-02-06T00:49:59.656844+00:00 heroku[router]: at=error code=H14 desc=&quot;No web processes running&quot; method=GET path=&quot;/favicon.ico&quot; host=hidden-hollows-48192.herokuapp.com request_id=8a9b7de2-5ef4-4c92-a390-a5c197a2cb6e fwd=&quot;197.210.79.144&quot; dyno= connect= service= status=503 bytes= protocol=https
  </code></pre>