Any rails server doesn't start - ruby-on-rails

Getting the same error every time when trying to start ANY project on rails 4 or 5 using ruby 2.2.5 and 2.3.1 even on the fresh projects.
Tried to reinstall rbenv but didn't help. Anybody got a solution?
fedyay#fedyay-note:~/shit$ rails s
=> Booting WEBrick
=> Rails 4.2.3 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/psych.rb:370:in `parse': (<unknown>): did not find expected alphabetic or numeric character while scanning an alias at line 22 column 20 (Psych::SyntaxError)
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/psych.rb:370:in `parse_stream'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/psych.rb:318:in `parse'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/psych.rb:245:in `load'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/application.rb:391:in `secrets'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/application.rb:178:in `key_generator'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/application.rb:206:in `message_verifier'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/globalid-0.3.7/lib/global_id/railtie.rb:25:in `block (2 levels) in <class:Railtie>'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/activesupport-4.2.3/lib/active_support/lazy_load_hooks.rb:36:in `call'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/activesupport-4.2.3/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/activesupport-4.2.3/lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/activesupport-4.2.3/lib/active_support/lazy_load_hooks.rb:44:in `each'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/activesupport-4.2.3/lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/application/finisher.rb:62:in `block in <module:Finisher>'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/initializable.rb:30:in `instance_exec'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/initializable.rb:30:in `run'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/initializable.rb:55:in `block in run_initializers'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:226:in `block in tsort_each'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:429:in `each_strongly_connected_component_from'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:347:in `block in each_strongly_connected_component'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:345:in `each'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:345:in `call'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:345:in `each_strongly_connected_component'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:224:in `tsort_each'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/tsort.rb:203:in `tsort_each'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/initializable.rb:54:in `run_initializers'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/application.rb:352:in `initialize!'
from /home/fedyay/shit/config/environment.rb:5:in `<top (required)>'
from /home/fedyay/shit/config.ru:3:in `require'
from /home/fedyay/shit/config.ru:3:in `block in <main>'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize'
from /home/fedyay/shit/config.ru:in `new'
from /home/fedyay/shit/config.ru:in `<main>'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:208:in `app'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/commands/server.rb:61:in `app'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/commands/server.rb:139:in `log_to_stdout'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/commands/server.rb:78:in `start'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/commands/commands_tasks.rb:75:in `server'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/railties-4.2.3/lib/rails/commands.rb:17:in `<top (required)>'
from /home/fedyay/shit/bin/rails:9:in `require'
from /home/fedyay/shit/bin/rails:9:in `<top (required)>'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/spring-2.0.0/lib/spring/client/rails.rb:28:in `load'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/spring-2.0.0/lib/spring/client/rails.rb:28:in `call'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/spring-2.0.0/lib/spring/client/command.rb:7:in `call'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/spring-2.0.0/lib/spring/client.rb:30:in `run'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/spring-2.0.0/bin/spring:49:in `<top (required)>'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/spring-2.0.0/lib/spring/binstub.rb:31:in `load'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/spring-2.0.0/lib/spring/binstub.rb:31:in `<top (required)>'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:69:in `require'
from /home/fedyay/.rbenv/versions/2.2.5/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:69:in `require'
from /home/fedyay/shit/bin/spring:14:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'

Seems like you have tabs in your YAML file instead of spaces.
Change them to spaces from your editor settings
Solution for similar question is given here

So not realy sure what's going on but it started OK with 'sudo rails s'.

Related

Ruby On Rails Server Issue (Ubuntu Bash on Windows 10)

In another thread I explained I am a newbie RoR. I had a problem with the puma 3.8.0 gem then I downgraded to fixed one issue. But, it created another problem:
/root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/app_loader.rb:40: warning: Insecure world writable dir /root/.rbenv/versions in PATH, mode 040777
=> Booting Puma
=> Rails 5.0.2 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
Exiting
/root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rb-inotify-0.9.8/lib/rb-inotify/watcher.rb:74:in `initialize': Invalid argument - Failed to watch "/root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/locale": the given event mask contains no legal events; or fd is not an inotify file descriptor. (Errno::EINVAL)
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rb-inotify-0.9.8/lib/rb-inotify/notifier.rb:190:in `new'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rb-inotify-0.9.8/lib/rb-inotify/notifier.rb:190:in `watch'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rb-inotify-0.9.8/lib/rb-inotify/notifier.rb:208:in `watch'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/adapter/linux.rb:32:in `_configure'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/adapter/base.rb:45:in `block in configure'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/adapter/base.rb:40:in `each'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/adapter/base.rb:40:in `configure'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/adapter/base.rb:63:in `start'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/backend.rb:28:in `start'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/listener.rb:67:in `block in <class:Listener>'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/fsm.rb:120:in `instance_eval'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/fsm.rb:120:in `call'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/fsm.rb:91:in `transition_with_callbacks!'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/fsm.rb:57:in `transition'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/listen-3.0.8/lib/listen/listener.rb:90:in `start'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/evented_file_update_checker.rb:90:in `boot!'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/evented_file_update_checker.rb:61:in `initialize'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/i18n_railtie.rb:59:in `new'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/i18n_railtie.rb:59:in `initialize_i18n'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/i18n_railtie.rb:15:in `block in <class:Railtie>'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:41:in `execute_hook'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:50:in `block in run_load_hooks'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:49:in `each'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:49:in `run_load_hooks'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/application/finisher.rb:65:in `block in <module:Finisher>'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/initializable.rb:30:in `instance_exec'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/initializable.rb:30:in `run'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/initializable.rb:55:in `block in run_initializers'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:228:in `block in tsort_each'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:431:in `each_strongly_connected_component_from'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:349:in `block in each_strongly_connected_component'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:347:in `each'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:347:in `call'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:347:in `each_strongly_connected_component'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:226:in `tsort_each'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/tsort.rb:205:in `tsort_each'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/initializable.rb:54:in `run_initializers'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/application.rb:352:in `initialize!'
from /root/appnew/config/environment.rb:5:in `<top (required)>'
from /root/appnew/config.ru:3:in `require_relative'
from /root/appnew/config.ru:3:in `block in <main>'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `instance_eval'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `initialize'
from /root/appnew/config.ru:in `new'
from /root/appnew/config.ru:in `<main>'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:49:in `eval'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:49:in `new_from_string'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:40:in `parse_file'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/server.rb:318:in `build_app_and_options_from_config'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/server.rb:218:in `app'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/commands/server.rb:59:in `app'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/server.rb:353:in `wrapped_app'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/commands/server.rb:124:in `log_to_stdout'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/commands/server.rb:77:in `start'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:90:in `block in server'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:85:in `tap'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:85:in `server'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.0.2/lib/rails/commands.rb:18:in `<top (required)>'
from /root/appnew/bin/rails:9:in `require'
from /root/appnew/bin/rails:9:in `<top (required)>'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/spring-2.0.1/lib/spring/client/rails.rb:28:in `load'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/spring-2.0.1/lib/spring/client/rails.rb:28:in `call'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/spring-2.0.1/lib/spring/client/command.rb:7:in `call'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/spring-2.0.1/lib/spring/client.rb:30:in `run'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/spring-2.0.1/bin/spring:49:in `<top (required)>'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/spring-2.0.1/lib/spring/binstub.rb:31:in `load'
from /root/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/spring-2.0.1/lib/spring/binstub.rb:31:in `<top (required)>'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:68:in `require'
from /root/.rbenv/versions/2.4.0/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:68:in `require'
from /root/appnew/bin/spring:15:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'
I'm not too sure what I am looking at? Hoping someone can point me in the right direction.
According to https://github.com/rails/rails/issues/26054 you can create an app with:
rails new --skip-spring --skip-listen APP_NAME
As noted in the link above this should be fixed in Windows 10 Insider builds >= 14942.
I got rails server working using the command above to create my rails app.
My ruby version is 2.4.0p0, rails version is 5.1.0.beta1 and puma version 3.7.1.

uninitialized constant Rack::Session::Abstract::Persisted to start Rails 5 server

I am getting this error while running command rails s
=> Booting Thin
=> Rails 5.0.0.1 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
Exiting
/var/lib/gems/2.2.0/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/session/abstract_store.rb:90:in `<module:Session>': uninitialized constant Rack::Session::Abstract::Persisted (NameError)
from /var/lib/gems/2.2.0/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/session/abstract_store.rb:8:in `<module:ActionDispatch>'
from /var/lib/gems/2.2.0/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/session/abstract_store.rb:7:in `<top (required)>'
from /var/lib/gems/2.2.0/gems/actionpack-5.0.0.1/lib/action_dispatch/middleware/session/cookie_store.rb:2:in `<top (required)>'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/application/configuration.rb:181:in `const_get'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/application/configuration.rb:181:in `session_store'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/application/default_middleware_stack.rb:58:in `block in build_stack'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/application/default_middleware_stack.rb:13:in `tap'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/application/default_middleware_stack.rb:13:in `build_stack'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/application.rb:504:in `default_middleware_stack'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:506:in `block in app'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:504:in `synchronize'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:504:in `app'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/application/finisher.rb:37:in `block in <module:Finisher>'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/initializable.rb:30:in `instance_exec'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/initializable.rb:30:in `run'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/initializable.rb:55:in `block in run_initializers'
from /usr/lib/ruby/2.2.0/tsort.rb:226:in `block in tsort_each'
from /usr/lib/ruby/2.2.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
from /usr/lib/ruby/2.2.0/tsort.rb:429:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.2.0/tsort.rb:347:in `block in each_strongly_connected_component'
from /usr/lib/ruby/2.2.0/tsort.rb:345:in `each'
from /usr/lib/ruby/2.2.0/tsort.rb:345:in `call'
from /usr/lib/ruby/2.2.0/tsort.rb:345:in `each_strongly_connected_component'
from /usr/lib/ruby/2.2.0/tsort.rb:224:in `tsort_each'
from /usr/lib/ruby/2.2.0/tsort.rb:203:in `tsort_each'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/initializable.rb:54:in `run_initializers'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/application.rb:352:in `initialize!'
from /root/sites/instagramm/config/environment.rb:5:in `<top (required)>'
from /root/sites/instagramm/config.ru:3:in `require_relative'
from /root/sites/instagramm/config.ru:3:in `block in <main>'
from /usr/lib/ruby/vendor_ruby/rack/builder.rb:55:in `instance_eval'
from /usr/lib/ruby/vendor_ruby/rack/builder.rb:55:in `initialize'
from /root/sites/instagramm/config.ru:in `new'
from /root/sites/instagramm/config.ru:in `<main>'
from /usr/lib/ruby/vendor_ruby/rack/builder.rb:49:in `eval'
from /usr/lib/ruby/vendor_ruby/rack/builder.rb:49:in `new_from_string'
from /usr/lib/ruby/vendor_ruby/rack/builder.rb:40:in `parse_file'
from /var/lib/gems/2.2.0/gems/rack-2.0.1/lib/rack/server.rb:318:in `build_app_and_options_from_config'
from /var/lib/gems/2.2.0/gems/rack-2.0.1/lib/rack/server.rb:218:in `app'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/server.rb:59:in `app'
from /var/lib/gems/2.2.0/gems/rack-2.0.1/lib/rack/server.rb:353:in `wrapped_app'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/server.rb:124:in `log_to_stdout'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/server.rb:77:in `start'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:90:in `block in server'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:85:in `tap'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:85:in `server'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
from /var/lib/gems/2.2.0/gems/railties-5.0.0.1/lib/rails/commands.rb:18:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
It looks you're using rack from two places /usr/lib/ruby/vendor_ruby/rack and /var/lib/gems/2.2.0/gems/rack-2.0.1.
Removing that vendor_ruby (not confirmed) could help. Buy maybe a better choice is to install rvm or rbenv to handle your ruby/gems versions.

Not able to start rails server in 5.0.0.1 rails but works fine with 4.2.0.beta1

I am still learning ROR and I have spent a lot of time trying to figure it out.
I have tried to install all sorts of gems from different stackoverflow answers. Is there anyone that can help me with this? Thank You
How can I get to work with the latest version (5.0.0.1) it says:
=> Booting WEBrick
=> Rails 4.2.2 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/home/ubuntu/workspace/hellp_app/config/environments/development.rb:53:in `block in <top (required)>': uninitialized constant ActiveSupport::EventedFileUpdateChecker (NameError)
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/railtie.rb:210:in `instance_eval'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/railtie.rb:210:in `configure'
from /home/ubuntu/workspace/hellp_app/config/environments/development.rb:1:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/engine.rb:598:in `block (2 levels) in <class:Engine>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/engine.rb:597:in `each'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/engine.rb:597:in `block in <class:Engine>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:30:in `instance_exec'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:30:in `run'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:55:in `block in run_initializers'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:44:in `each'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `each'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `call'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:54:in `run_initializers'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/application.rb:352:in `initialize!'
from /home/ubuntu/workspace/hellp_app/config/environment.rb:5:in `<top (required)>'
from /home/ubuntu/workspace/hellp_app/config.ru:3:in `require_relative'
from /home/ubuntu/workspace/hellp_app/config.ru:3:in `block in <main>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize'
from /home/ubuntu/workspace/hellp_app/config.ru:in `new'
from /home/ubuntu/workspace/hellp_app/config.ru:in `<main>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/server.rb:208:in `app'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/server.rb:61:in `app'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/server.rb:139:in `log_to_stdout'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/server.rb:78:in `start'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:75:in `server'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands.rb:17:in `<top (required)>'
from /home/ubuntu/workspace/hellp_app/bin/rails:9:in `require'
from /home/ubuntu/workspace/hellp_app/bin/rails:9:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `load'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `call'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/client/command.rb:7:in `call'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/client.rb:26:in `run'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/bin/spring:48:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `load'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `<top (required)>'
from /home/ubuntu/workspace/hellp_app/bin/spring:13:in `require'
from /home/ubuntu/workspace/hellp_app/bin/spring:13:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'
In the gemfile you posted, the Rails version is incorrect:
gem 'rails', '4.2.2'
Since you are attempting to start version 5.0.0.1, you should update it accordingly in your gemfile, then run:
bundle install
to install dependendies for the newest version.

Updated Rails to 4.2.1 and now it won't run

I have no idea what's going on. I updated my rail to version 4.2.1 and now I can't generate a server. I run
$rails s
like normal and it starts up fine but then immediately exits. I've pasted the message below. Any ideas would be greatly appreciated
=> Booting WEBrick
=> Rails 4.2.1 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo1.2.2/lib/tzinfo/data_source.rb:182:in `rescue in create_default_data_source': No source of timezone data could be found. (TZInfo::DataSourceNotFound)
Please refer to http://tzinfo.github.io/datasourcenotfound for help resolving this error.
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo-1.2.2/lib/tzinfo/data_source.rb:179:in `create_default_data_source'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo-1.2.2/lib/tzinfo/data_source.rb:40:in `block in get'
from <internal:prelude>:10:in `synchronize'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo-1.2.2/lib/tzinfo/data_source.rb:39:in `get'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo-1.2.2/lib/tzinfo/timezone.rb:629:in `data_source'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo-1.2.2/lib/tzinfo/timezone.rb:92:in `get'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo-1.2.2/lib/tzinfo/timezone_proxy.rb:67:in `real_timezone'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo-1.2.2/lib/tzinfo/timezone_proxy.rb:30:in `period_for_utc'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/tzinfo-1.2.2/lib/tzinfo/timezone.rb:549:in `current_period'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-4.2.1/lib/active_support/values/time_zone.rb:282:in `utc_offset'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-4.2.1/lib/active_support/values/time_zone.rb:243:in `block in []'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-4.2.1/lib/active_support/values/time_zone.rb:243:in `tap'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-4.2.1/lib/active_support/values/time_zone.rb:243:in `[]'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-4.2.1/lib/active_support/core_ext/time/zones.rb:61:in `find_zone!'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-4.2.1/lib/active_support/railtie.rb:20:in `block in <class:Railtie>'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `instance_exec'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `run'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/initializable.rb:55:in `block in run_initializers'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/tsort.rb:150:in `block in tsort_each'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/tsort.rb:219:in `each_strongly_connected_component_from'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/tsort.rb:182:in `block in each_strongly_connected_component'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/tsort.rb:180:in `each'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/tsort.rb:180:in `each_strongly_connected_component'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/tsort.rb:148:in `tsort_each'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/initializable.rb:54:in `run_initializers'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/application.rb:352:in `initialize!'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/railtie.rb:194:in `public_send'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/railtie.rb:194:in `method_missing'
from C:/Users/Scott/CustomerDatabase/config/environment.rb:5:in `<top (required)>'
from C:/Users/Scott/CustomerDatabase/config.ru:3:in `require'
from C:/Users/Scott/CustomerDatabase/config.ru:3:in `block in <main>'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.6.1/lib/rack/builder.rb:55:in `instance_eval'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.6.1/lib/rack/builder.rb:55:in `initialize'
from C:/Users/Scott/CustomerDatabase/config.ru:in `new'
from C:/Users/Scott/CustomerDatabase/config.ru:in `<main>'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.6.1/lib/rack/builder.rb:49:in `eval'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.6.1/lib/rack/builder.rb:49:in `new_from_string'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.6.1/lib/rack/builder.rb:40:in `parse_file'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.6.1/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.6.1/lib/rack/server.rb:208:in `app'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/commands/server.rb:61:in `app'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rack-1.6.1/lib/rack/server.rb:336:in `wrapped_app'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/commands/server.rb:139:in `log_to_stdout'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/commands/server.rb:78:in `start'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:in `tap'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:in `server'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/railties-4.2.1/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'

Receiving syntax error message when trying to start application server for first Rails application after configuration [noob]

The following message pops up when I enter $ rails server in the Terminal (Mac, running latest version of Yosemite). I'm pretty lost, other topics have recommended altering the text in the config folder of my project, but what I've tried hasn't worked and I'm guessing because those are slightly dated topics.
I'm learning from the Learn Ruby on Rails book trying to get this MailChimp application working, completed up to the 13th chapter without any big issues. Any help is appreciated.
=> Booting WEBrick
=> Rails 4.1.1 application starting in development on http://0.0.0.0:3000
=> Run `rails server -h` for more startup options
=> Notice: server is listening on all interfaces (0.0.0.0). Consider using 127.0.0.1 (-- binding option)
=> Ctrl-C to shutdown server
Exiting
/Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:370:in `parse': (<unknown>): found character that cannot start any token while scanning for the next token at line 14 column 1 (Psych::SyntaxError)
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:370:in `parse_stream'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:318:in `parse'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:245:in `load'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/application.rb:313:in `secrets'
from /Users/dengel29/workspace/learn-rails/config/environments/development.rb:32:in `block in <top (required)>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/railtie.rb:210:in `instance_eval'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/railtie.rb:210:in `configure'
from /Users/dengel29/workspace/learn-rails/config/environments/development.rb:1:in `<top (required)>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `block in require'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:232:in `load_dependency'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:594:in `block (2 levels) in <class:Engine>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:593:in `each'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:593:in `block in <class:Engine>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:30:in `instance_exec'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:30:in `run'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:55:in `block in run_initializers'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:226:in `block in tsort_each'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:418:in `block (2 levels) in each_strongly_connected_component_from'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:427:in `each_strongly_connected_component_from'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:417:in `block in each_strongly_connected_component_from'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:44:in `each'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:411:in `call'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:411:in `each_strongly_connected_component_from'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:347:in `block in each_strongly_connected_component'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in `each'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in `call'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in `each_strongly_connected_component'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:224:in `tsort_each'
from /Users/dengel29/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:205:in `tsort_each'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:54:in `run_initializers'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/application.rb:288:in `initialize!'
from /Users/dengel29/workspace/learn-rails/config/environment.rb:5:in `<top (required)>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `block in require'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:232:in `load_dependency'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/dengel29/workspace/learn-rails/config.ru:3:in `block in <main>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from /Users/dengel29/workspace/learn-rails/config.ru:in `new'
from /Users/dengel29/workspace/learn-rails/config.ru:in `<main>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:50:in `app'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:130:in `log_to_stdout'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:67:in `start'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:81:in `block in server'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:76:in `tap'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:76:in `server'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands.rb:17:in `<top (required)>'
from /Users/dengel29/workspace/learn-rails/bin/rails:8:in `require'
from /Users/dengel29/workspace/learn-rails/bin/rails:8:in `<top (required)>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `load'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `call'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/command.rb:7:in `call'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client.rb:26:in `run'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/bin/spring:48:in `<top (required)>'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `load'
from /Users/dengel29/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `<top (required)>'
from /Users/dengel29/workspace/learn-rails/bin/spring:16:in `require'
from /Users/dengel29/workspace/learn-rails/bin/spring:16:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'
Perhaps your ENV variables are not set up correctly, or you have an unusual character in one of the variables. Be careful there are not tab characters or any unusual characters in the config/secrets.yml file.
I suggest you replace all ENV values in the config/secrets.yml with hardcoded strings. Don't check the file into git with your private credentials in the file. Just test it to see if you can isolate the problem.

Resources