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[[email protected] fusion] $bundle exec unicorn_rails -c config/unicorn.rb -E production -D


When I type the command, the following error appears, and even if I look at the log, the cause is unknown.

master failed to start, check stderr log for details
[ec2-user @ ip-172-31-38-30 fusion] $cd log
[[email protected] log] $tail unicorn.log
tail: Unable to open `unicorn.log' for reading: no such file or directory
[[email protected]ip-172-31-38-30 log] $tail production.log
[e43ff444-117d-4d33-a55b-65fabfb0ec32] 14:% script {: src =>"https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"}
F, [2020-11-23T08: 35: 12.9017343 # 15826] FATAL-: [e43ff444-117d-4d33-a55b-65fabfb0ec32]
F, [2020-11-23T08: 35: 12.901776 # 15826] FATAL-: [e43ff444-117d-4d33-a55b-65fabfb0ec32] app/views/layouts/application.html.haml: 11: in `_app_views_layouts_application_html_haml___1339019488460715119_43081560'
D, [2020-11-23T09: 15: 41.687917 # 16385] DEBUG-: (0.2ms) SET NAMES utf8, @@ SESSION.sql_mode = CONCAT (CONCAT (@@ sql_mode,', STRICT_ALL_TABLES'),', NO_AUTO_VALUE_ON_ZERO '), @@ SESSION.sql_auto_is_null = 0, @@ SESSION.wait_timeout = 2147483
D, [2020-11-23T09: 15: 41.690783 # 16385] DEBUG-: (0.1ms) SELECT GET_LOCK ('6560163123377544765', 0)
D, [2020-11-23T09: 15: 41.695975 # 16385] DEBUG-: (0.2ms) SELECT `schema_migrations`.`version` FROM `schema_migrations` ORDER BY` schema_migrations` .`version` ASC
D, [2020-11-23T09: 15: 41.698626 # 16385] DEBUG-: ActiveRecord :: InternalMetadata Load (0.2ms) SELECT `ar_internal_metadata`. * FROM` ar_internal_metadata` WHERE `ar_internal_metadata`.`key` ='environment' LIMIT 1
D, [2020-11-23T09: 15: 41.702505 # 16385] DEBUG-: (0.1ms) BEGIN
D, [2020-11-23T09: 15: 41.703314 # 16385] DEBUG-: (0.1ms) COMMIT
D, [2020-11-23T09: 15: 41.703538 # 16385] DEBUG-: (0.1ms) SELECT RELEASE_LOCK ('6560163123377544765')
[[email protected] log] $tail unicorn_error.log
tail: Unable to open `unicorn_error.log'for reading: no such file or directory
[[email protected] log] $tail unicorn_stderr.log
tail: Unable to open `unicorn_stderr.log'for reading: no such file or directory
[[email protected] log] $cat log/unicorn.log -n
cat: log/unicorn.log: No such files or directories
[ec2-user @ ip-172-31-38-30 log] $

I was able to do both mysql and migrate
It seems that the clone of github is also done normally

What are the other possible causes?