我的Travis Build成功了。但是当我从浏览器加载应用程序时，heroku显示应用程序错误。
Travis Build
https://travis-ci.org/AfolabiOlaoluwa/LawVille/builds/166451784
heroku logs --app lawvile
F:\Rails Programs\RubymineProjects\LawVille>heroku logs --app lawville
2016-10-10T13:28:28.725622+00:00 heroku[slug-compiler]: Slug compilation started
2016-10-10T13:47:23.175281+00:00 heroku[api]: Set LANG, RACK_ENV, RAILS_ENV, RAILS_SERVE_STATIC_FILES, SECRET_KEY_BASE config vars by contact@afolabiolaoluwa.com
2016-10-10T13:47:23.175368+00:00 heroku[api]: Release v3 created by contact@afolabiolaoluwa.com
2016-10-10T13:47:24.126291+00:00 heroku[api]: Attach DATABASE (@ref:postgresql-sinuous-51843) by contact@afolabiolaoluwa.com
2016-10-10T13:47:24.126417+00:00 heroku[api]: Release v4 created by contact@afolabiolaoluwa.com
2016-10-10T13:47:24.715939+00:00 heroku[api]: Scale to web=1 by contact@afolabiolaoluwa.com
2016-10-10T13:47:24.716704+00:00 heroku[api]: Deploy a6f7b39 by contact@afolabiolaoluwa.com
2016-10-10T13:47:24.716847+00:00 heroku[api]: Release v5 created by contact@afolabiolaoluwa.com
2016-10-10T13:47:25.285374+00:00 heroku[slug-compiler]: Slug compilation started
2016-10-10T13:47:25.285379+00:00 heroku[slug-compiler]: Slug compilation finished
2016-10-10T13:47:27.802081+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 8451 -e production`
2016-10-10T13:47:31.172158+00:00 app[web.1]: /app/config/application.rb:12:in `require': cannot load such file -- devise (LoadError)
2016-10-10T13:47:31.172172+00:00 app[web.1]: from /app/config/application.rb:12:in `<top (required)>'
2016-10-10T13:47:31.172173+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `require'
2016-10-10T13:47:31.172174+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `block in server'
2016-10-10T13:47:31.172174+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `tap'
2016-10-10T13:47:31.172174+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `server'
2016-10-10T13:47:31.172175+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
2016-10-10T13:47:31.172176+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands.rb:17:in `<top (required)>'
2016-10-10T13:47:31.172176+00:00 app[web.1]: from bin/rails:4:in `require'
2016-10-10T13:47:31.172176+00:00 app[web.1]: from bin/rails:4:in `<main>'
2016-10-10T13:47:31.285208+00:00 heroku[web.1]: State changed from starting to crashed
2016-10-10T13:47:31.286679+00:00 heroku[web.1]: State changed from crashed to starting
2016-10-10T13:47:31.270532+00:00 heroku[web.1]: Process exited with status 1
2016-10-10T13:47:34.707070+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 30791 -e production`
2016-10-10T13:47:40.135036+00:00 app[web.1]: /app/config/application.rb:12:in `require': cannot load such file -- devise (LoadError)
2016-10-10T13:47:40.135066+00:00 app[web.1]: from /app/config/application.rb:12:in `<top (required)>'
2016-10-10T13:47:40.135073+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `require'
2016-10-10T13:47:40.135080+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `block in server'
2016-10-10T13:47:40.135081+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `tap'
2016-10-10T13:47:40.135081+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `server'
2016-10-10T13:47:40.135082+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
2016-10-10T13:47:40.135082+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands.rb:17:in `<top (required)>'
2016-10-10T13:47:40.135083+00:00 app[web.1]: from bin/rails:4:in `require'
2016-10-10T13:47:40.135084+00:00 app[web.1]: from bin/rails:4:in `<main>'
2016-10-10T13:47:40.581782+00:00 heroku[web.1]: State changed from starting to crashed
2016-10-10T13:47:40.523847+00:00 heroku[web.1]: Process exited with status 1
2016-10-10T13:47:49.037500+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=lawville.herokuapp.com request_id=1e993101-c9f7-4649-9fb0-9f7f297c3000
fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T13:47:56.280283+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=701fe1f5-2cfa-491b-b1e4-b6
3f514445fb fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T13:49:39.078513+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=lawville.herokuapp.com request_id=12ae837a-957c-4b21-8d76-144828d3e788
fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T13:49:40.379397+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=88906a89-dce9-4cb5-bab5-9f
c6f7c522b8 fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T13:51:02.284694+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=lawville.herokuapp.com request_id=356d4532-bebc-44f7-bdbd-5f7b7f3d30fb
fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T13:51:03.727018+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=accd4761-4efd-4e3a-9caa-07
5cf21f3b3c fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T13:53:24.881077+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/admin" host=lawville.herokuapp.com request_id=7ff2c2d6-12bd-4772-9f18-5dcfdd45
1adc fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T13:53:26.085156+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=477835f2-a354-4ca1-82ad-c1
1265b232bb fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T14:15:49.417252+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=lawville.herokuapp.com request_id=a52a5cb1-7b0b-4d96-b627-147b6949f035
fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T14:15:50.565853+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=2e1a8463-85e0-4df0-b933-5f
f7a58ceda3 fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T14:20:23.198506+00:00 heroku[web.1]: State changed from crashed to starting
2016-10-10T14:20:26.091969+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 19883 -e production`
2016-10-10T14:20:28.708894+00:00 app[web.1]: /app/config/application.rb:12:in `require': cannot load such file -- devise (LoadError)
2016-10-10T14:20:28.708934+00:00 app[web.1]: from /app/config/application.rb:12:in `<top (required)>'
2016-10-10T14:20:28.708935+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `require'
2016-10-10T14:20:28.708936+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `block in server'
2016-10-10T14:20:28.708937+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `tap'
2016-10-10T14:20:28.708937+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `server'
2016-10-10T14:20:28.708938+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
2016-10-10T14:20:28.708939+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands.rb:17:in `<top (required)>'
2016-10-10T14:20:28.708939+00:00 app[web.1]: from bin/rails:4:in `require'
2016-10-10T14:20:28.708940+00:00 app[web.1]: from bin/rails:4:in `<main>'
2016-10-10T14:20:28.797167+00:00 heroku[web.1]: State changed from starting to crashed
2016-10-10T14:20:28.783943+00:00 heroku[web.1]: Process exited with status 1
2016-10-10T15:03:48.225803+00:00 heroku[api]: Deploy 5e3acd3 by contact@afolabiolaoluwa.com
2016-10-10T15:03:48.225803+00:00 heroku[api]: Release v6 created by contact@afolabiolaoluwa.com
2016-10-10T15:03:48.465261+00:00 heroku[web.1]: State changed from crashed to starting
2016-10-10T15:03:48.438793+00:00 heroku[slug-compiler]: Slug compilation started
2016-10-10T15:03:48.438798+00:00 heroku[slug-compiler]: Slug compilation finished
2016-10-10T15:03:52.227531+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 46060 -e production`
2016-10-10T15:03:55.374104+00:00 app[web.1]: /app/config/application.rb:12:in `require': cannot load such file -- devise (LoadError)
2016-10-10T15:03:55.374126+00:00 app[web.1]: from /app/config/application.rb:12:in `<top (required)>'
2016-10-10T15:03:55.374127+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `require'
2016-10-10T15:03:55.374128+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `block in server'
2016-10-10T15:03:55.374129+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `tap'
2016-10-10T15:03:55.374130+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `server'
2016-10-10T15:03:55.374130+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
2016-10-10T15:03:55.374131+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands.rb:17:in `<top (required)>'
2016-10-10T15:03:55.374132+00:00 app[web.1]: from bin/rails:4:in `require'
2016-10-10T15:03:55.374132+00:00 app[web.1]: from bin/rails:4:in `<main>'
2016-10-10T15:03:55.483980+00:00 heroku[web.1]: State changed from starting to crashed
2016-10-10T15:03:55.485324+00:00 heroku[web.1]: State changed from crashed to starting
2016-10-10T15:03:55.503567+00:00 heroku[web.1]: Process exited with status 1
2016-10-10T15:03:58.599659+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 3992 -e production`
2016-10-10T15:04:01.693779+00:00 heroku[web.1]: Process exited with status 1
2016-10-10T15:04:01.587233+00:00 app[web.1]: /app/config/application.rb:12:in `require': cannot load such file -- devise (LoadError)
2016-10-10T15:04:01.587246+00:00 app[web.1]: from /app/config/application.rb:12:in `<top (required)>'
2016-10-10T15:04:01.587249+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `require'
2016-10-10T15:04:01.587250+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:78:in `block in server'
2016-10-10T15:04:01.587251+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `tap'
2016-10-10T15:04:01.587252+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `server'
2016-10-10T15:04:01.587252+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
2016-10-10T15:04:01.587253+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/commands.rb:17:in `<top (required)>'
2016-10-10T15:04:01.587254+00:00 app[web.1]: from bin/rails:4:in `require'
2016-10-10T15:04:01.587254+00:00 app[web.1]: from bin/rails:4:in `<main>'
2016-10-10T15:04:01.692135+00:00 heroku[web.1]: State changed from starting to crashed
2016-10-10T15:04:57.570883+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=lawville.herokuapp.com request_id=296f103c-4bbc-40fb-9187-2b466ec97292
fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T15:04:58.472841+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=3c30ed34-757b-4594-bcf9-53
ac69eef483 fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T15:05:24.060431+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=lawville.herokuapp.com request_id=b0a95910-c54f-4023-bd9d-e7266cd4ccf1
fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T15:05:25.371272+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=1d3d9983-fa96-47e9-8238-29
9c9d90d0a4 fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T15:07:05.952715+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=lawville.herokuapp.com request_id=1c8113ee-d970-44f5-bc43-4d85d27d6d86
fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T15:07:07.727414+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=7d3c2b8b-7dfb-4e91-89b3-a2
1ed5665c27 fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T15:19:03.796054+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/users/sign_in" host=lawville.herokuapp.com request_id=46e5264e-3cb3-4853-abc9-
1d592eb36303 fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
2016-10-10T15:19:05.218416+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=lawville.herokuapp.com request_id=e05d5500-1fec-43d3-a2c7-37
59166d412c fwd="41.190.3.90" dyno= connect= service= status=503 bytes=
配置/环境/ production.rb
Rails.application.configure do
config.cache_classes = true
config.eager_load = true
config.consider_all_requests_local = true
config.action_controller.perform_caching = true
config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
config.assets.js_compressor = :uglifier
config.assets.compile = false
config.assets.digest = true
config.log_level = :debug
# Prepend all log lines with the following tags.
# config.log_tags = [ :subdomain, :uuid ]
# Use a different logger for distributed setups.
# config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)
# Use a different cache store in production.
# config.cache_store = :mem_cache_store
# Enable serving of images, stylesheets, and JavaScripts from an asset server.
# config.action_controller.asset_host = 'http://assets.example.com'
# Ignore bad email addresses and do not raise email delivery errors.
# Set this to true and configure the email server for immediate delivery to raise delivery errors.
# config.action_mailer.raise_delivery_errors = false
# Enable locale fallbacks for I18n (makes lookups for any locale fall back to
# the I18n.default_locale when a translation cannot be found).
config.i18n.fallbacks = true
# Send deprecation notices to registered listeners.
config.active_support.deprecation = :notify
# Use default logging formatter so that PID and timestamp are not suppressed.
config.log_formatter = ::Logger::Formatter.new
# Do not dump schema after migrations.
config.active_record.dump_schema_after_migration = false
config.action_mailer.default_url_options = { host: 'lawville.ca' }
end
重现错误，我发现错误在于Devise - Heroku。
LoadError：无法加载此类文件 - 设计
我该怎么做才能解决这个问题？