Rails server crashes due to captcha? - ruby-on-rails

Over the weekend I shut my localhost server down because I wasn't doing anything with it. However this week I have had a host of issues with booting it back up. My first problem with something with rmagick, I had to either install(?) or update command line tools, reinstall rmagick and nokogiri.
Now that problem seems to be behind me but every time I run rails s
It cashes after boot and I get this error:
=> Booting WEBrick
=> Rails 4.2.5.1 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/Users/tfantina/Documents/Code and Websites/Ruby & Rails Stuff/professor/config/initializers/recaptcha.rb:11:in `block in <top (required)>': undefined method `public_key=' for #<Recaptcha::Configuration:0x007fbaa89d09d0> (NoMethodError)
Did you mean? public_send
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/recaptcha-4.0.0/lib/recaptcha.rb:30:in `configure'
from /Users/tfantina/Documents/Code and Websites/Ruby & Rails Stuff/professor/config/initializers/recaptcha.rb:10:in `<top (required)>'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:268:in `load'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:268:in `block in load'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:240:in `load_dependency'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:268:in `load'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/engine.rb:652:in `block in load_config_initializer'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/notifications.rb:166:in `instrument'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/engine.rb:651:in `load_config_initializer'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/engine.rb:616:in `block (2 levels) in <class:Engine>'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/engine.rb:615:in `each'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/engine.rb:615:in `block in <class:Engine>'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/initializable.rb:30:in `instance_exec'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/initializable.rb:30:in `run'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/initializable.rb:55:in `block in run_initializers'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/initializable.rb:44:in `each'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `each'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `call'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each'
from /Users/tfantina/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/initializable.rb:54:in `run_initializers'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/application.rb:352:in `initialize!'
from /Users/tfantina/Documents/Code and Websites/Ruby & Rails Stuff/professor/config/environment.rb:5:in `<top (required)>'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:274:in `require'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:274:in `block in require'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:240:in `load_dependency'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/activesupport-4.2.5.1/lib/active_support/dependencies.rb:274:in `require'
from /Users/tfantina/Documents/Code and Websites/Ruby & Rails Stuff/professor/config.ru:3:in `block in <main>'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/rack-1.6.5/lib/rack/builder.rb:55:in `instance_eval'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/rack-1.6.5/lib/rack/builder.rb:55:in `initialize'
from /Users/tfantina/Documents/Code and Websites/Ruby & Rails Stuff/professor/config.ru:in `new'
from /Users/tfantina/Documents/Code and Websites/Ruby & Rails Stuff/professor/config.ru:in `<main>'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/rack-1.6.5/lib/rack/builder.rb:49:in `eval'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/rack-1.6.5/lib/rack/builder.rb:49:in `new_from_string'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/rack-1.6.5/lib/rack/builder.rb:40:in `parse_file'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/rack-1.6.5/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/rack-1.6.5/lib/rack/server.rb:208:in `app'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/commands/server.rb:61:in `app'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/rack-1.6.5/lib/rack/server.rb:336:in `wrapped_app'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/commands/server.rb:139:in `log_to_stdout'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/commands/server.rb:78:in `start'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:75:in `server'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /Users/tfantina/.rvm/gems/ruby-2.3.1/gems/railties-4.2.5.1/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
I haven't touched that initializer in weeks, I even checked my git status to be sure and nothing has changed. Any ideas on why this keeps crashing?

Recaptcha has been updated.
https://github.com/ambethia/recaptcha/blob/master/CHANGELOG.md
public_key to site_key
private_key to secret_key
Change your config/initializers/recaptcha.rb
Recaptcha.configure do |config|
config.site_key = 'public key'
config.secret_key = 'private key'

Related

Rails: undefined method 'to_sym' for nil:NilClass (NoMethodError) when running production server

I'm trying to run my Rails app locally such that it will point to the database used by the deployed app on Heroku. Using heroku pg:credentials DATABASE, I was able to get the information about the production database and use that to populate the production info in database.yml. However, when I run rails s -e production, I get the following error:
=> Booting Puma
=> Rails 4.2.6 application starting in production on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/Users/Robert/.rvm/gems/ruby-2.2.2/gems/braintree-2.68.2/lib/braintree/configuration.rb:59:in `environment=': undefined method `to_sym' for nil:NilClass (NoMethodError)
from /Users/Robert/Developer/Git-Repositories/inspectx-live/config/initializers/braintree.rb:1:in `<top (required)>'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:268:in `load'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:268:in `block in load'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:240:in `load_dependency'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:268:in `load'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/engine.rb:652:in `block in load_config_initializer'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/notifications.rb:166:in `instrument'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/engine.rb:651:in `load_config_initializer'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/engine.rb:616:in `block (2 levels) in <class:Engine>'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/engine.rb:615:in `each'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/engine.rb:615:in `block in <class:Engine>'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/initializable.rb:30:in `instance_exec'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/initializable.rb:30:in `run'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/initializable.rb:55:in `block in run_initializers'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:226:in `block in tsort_each'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:420:in `block (2 levels) in each_strongly_connected_component_from'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:429:in `each_strongly_connected_component_from'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:419:in `block in each_strongly_connected_component_from'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/initializable.rb:44:in `each'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/initializable.rb:44:in `tsort_each_child'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:413:in `call'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:413:in `each_strongly_connected_component_from'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:347:in `block in each_strongly_connected_component'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:345:in `each'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:345:in `call'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:345:in `each_strongly_connected_component'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:224:in `tsort_each'
from /Users/Robert/.rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/tsort.rb:203:in `tsort_each'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/initializable.rb:54:in `run_initializers'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/application.rb:352:in `initialize!'
from /Users/Robert/Developer/Git-Repositories/inspectx-live/config/environment.rb:5:in `<top (required)>'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `require'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `block in require'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:240:in `load_dependency'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `require'
from /Users/Robert/Developer/Git-Repositories/inspectx-live/config.ru:3:in `block in <main>'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize'
from /Users/Robert/Developer/Git-Repositories/inspectx-live/config.ru:in `new'
from /Users/Robert/Developer/Git-Repositories/inspectx-live/config.ru:in `<main>'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/server.rb:208:in `app'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/commands/server.rb:61:in `app'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/rack-1.6.4/lib/rack/server.rb:272:in `start'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/commands/server.rb:80:in `start'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:75:in `server'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/railties-4.2.6/lib/rails/commands.rb:17:in `<top (required)>'
from /Users/Robert/Developer/Git-Repositories/inspectx-live/bin/rails:9:in `require'
from /Users/Robert/Developer/Git-Repositories/inspectx-live/bin/rails:9:in `<top (required)>'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/spring-1.7.1/lib/spring/client/rails.rb:28:in `load'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/spring-1.7.1/lib/spring/client/rails.rb:28:in `call'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/spring-1.7.1/lib/spring/client/command.rb:7:in `call'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/spring-1.7.1/lib/spring/client.rb:30:in `run'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/spring-1.7.1/bin/spring:49:in `<top (required)>'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/spring-1.7.1/lib/spring/binstub.rb:11:in `load'
from /Users/Robert/.rvm/gems/ruby-2.2.2/gems/spring-1.7.1/lib/spring/binstub.rb:11:in `<top (required)>'
from /Users/Robert/Developer/Git-Repositories/inspectx-live/bin/spring:13:in `require'
from /Users/Robert/Developer/Git-Repositories/inspectx-live/bin/spring:13:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'
I'm relatively new to Rails so I'm not sure what to do. I think this has something to do with Braintree integration, but I'm really not sure.
Edit: Here are the contents of config/initializers/braintree.rb:
Braintree::Configuration.environment = ENV['BRAINTREE_ENV']
Braintree::Configuration.merchant_id = ENV['BRAINTREE_MERCHANT_ID']
Braintree::Configuration.public_key = ENV['BRAINTREE_PUBLIC_KEY']
Braintree::Configuration.private_key = ENV['BRAINTREE_PRIVATE_KEY']
A note about braintree.rb: there was no private info to obscure. The above is exactly how it appears in braintree.rb. I didn't originally set up the Braintree integration, so I'm not sure if there was supposed to be private info in the ENV fields.

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.

I cannot understand this error message

When trying to boot my rails server i get an error:
home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/uri/rfc2396_parser.rb:305:in `escape': undefined method `gsub' for nil:NilClass (NoMethodError)
the full console log
=> Booting Puma
=> Rails 4.2.5 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/uri/rfc2396_parser.rb:305:in `escape': undefined method `gsub' for nil:NilClass (NoMethodError)
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/uri/common.rb:100:in `escape'
from /home/vladislav/Desktop/metartaf-develop/config/initializers/redis.rb:1:in `<top (required)>'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:268:in `load'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:268:in `block in load'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:240:in `load_dependency'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:268:in `load'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/engine.rb:652:in `block in load_config_initializer'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/notifications.rb:166:in `instrument'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/engine.rb:651:in `load_config_initializer'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/engine.rb:616:in `block (2 levels) in <class:Engine>'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/engine.rb:615:in `each'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/engine.rb:615:in `block in <class:Engine>'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `instance_exec'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `run'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/initializable.rb:55:in `block in run_initializers'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:228:in `block in tsort_each'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:431:in `each_strongly_connected_component_from'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/initializable.rb:44:in `each'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/initializable.rb:44:in `tsort_each_child'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:415:in `call'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:349:in `block in each_strongly_connected_component'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:347:in `each'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:347:in `call'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:347:in `each_strongly_connected_component'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:226:in `tsort_each'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/2.4.0/tsort.rb:205:in `tsort_each'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/initializable.rb:54:in `run_initializers'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/application.rb:352:in `initialize!'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/railtie.rb:194:in `public_send'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/railtie.rb:194:in `method_missing'
from /home/vladislav/Desktop/metartaf-develop/config/environment.rb:5:in `<top (required)>'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `block in require'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:240:in `load_dependency'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require'
from /home/vladislav/Desktop/metartaf-develop/config.ru:3:in `block in <main>'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize'
from /home/vladislav/Desktop/metartaf-develop/config.ru:in `new'
from /home/vladislav/Desktop/metartaf-develop/config.ru:in `<main>'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/rack-1.6.4/lib/rack/server.rb:208:in `app'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/commands/server.rb:61:in `app'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/commands/server.rb:139:in `log_to_stdout'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/commands/server.rb:78:in `start'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `server'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /home/vladislav/.rbenv/versions/2.3.0-dev/lib/ruby/gems/2.4.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
This is not my project, so I don't know where the mistake is. Where do I have a mistake ?
#config/environment.rb
# Load the rails application.
require File.expand_path('../application', __FILE__)
# Initialize the rails application.
Metartaf::Application.initialize!
#config/initializers/redis.rb
REDISTOGO_URL="redis://user#localhost:6379/"
uri = URI.parse(URI.encode(ENV["REDISTOGO_URL"]))
$redis = Redis.new(:host => uri.host, :port => uri.port, :password => uri.password)
You're using ENV["REDISTOGO_URL"] because the URL will be made available there in production (I guess you're using Heroku). That's fine, but then you're using the ruby constant REDISTOGO_URL for a local URL to use in development, which is not the same thing.
The error you're getting is because you're ignoring the REDISTOGO_URL constant, and still reading the value from ENV["REDISTOGO_URL"], which I guess is nil.
Try to replace:
REDISTOGO_URL="redis://user#localhost:6379/"
uri = URI.parse(URI.encode(ENV["REDISTOGO_URL"]))
with:
REDISTOGO_URL = ENV["REDISTOGO_URL"] || "redis://user#localhost:6379/"
uri = URI.parse(URI.encode(REDISTOGO_URL))

Rails server not working on one project but works on another project

My rails server doesn't work for one project, but DOES work for another project.
For the project that does not work, when I run rails s in my terminal I get the the following output:
=> Booting Thin
=> Rails 4.1.0 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/christinating/.rvm/gems/ruby-2.1.3/bundler/gems/active_admin-48a8674a4566/lib/active_admin/application.rb:116:in `allow_comments=': `config.allow_comments` is no longer provided in ActiveAdmin 1.x. Use `config.comments` instead. (RuntimeError)
from /Users/christinating/scholarhood/config/initializers/active_admin.rb:104:in `block in <top (required)>'
from /Users/christinating/.rvm/gems/ruby-2.1.3/bundler/gems/active_admin-48a8674a4566/lib/active_admin.rb:71:in `setup'
from /Users/christinating/scholarhood/config/initializers/active_admin.rb:1:in `<top (required)>'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/zeus-0.15.4/lib/zeus/load_tracking.rb:50:in `load'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/zeus-0.15.4/lib/zeus/load_tracking.rb:50:in `load'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/zeus-0.15.4/lib/zeus/load_tracking.rb:43:in `load'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/activesupport-4.1.0/lib/active_support/dependencies.rb:241:in `block in load'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/activesupport-4.1.0/lib/active_support/dependencies.rb:232:in `load_dependency'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/activesupport-4.1.0/lib/active_support/dependencies.rb:241:in `load'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/engine.rb:648:in `block in load_config_initializer'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/activesupport-4.1.0/lib/active_support/notifications.rb:161:in `instrument'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/engine.rb:647:in `load_config_initializer'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/engine.rb:612:in `block (2 levels) in <class:Engine>'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/engine.rb:611:in `each'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/engine.rb:611:in `block in <class:Engine>'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/initializable.rb:30:in `instance_exec'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/initializable.rb:30:in `run'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/initializable.rb:55:in `block in run_initializers'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:226:in `block in tsort_each'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:418:in `block (2 levels) in each_strongly_connected_component_from'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:427:in `each_strongly_connected_component_from'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:417:in `block in each_strongly_connected_component_from'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/initializable.rb:44:in `each'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/initializable.rb:44:in `tsort_each_child'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:411:in `call'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:411:in `each_strongly_connected_component_from'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:347:in `block in each_strongly_connected_component'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:345:in `each'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:345:in `call'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:345:in `each_strongly_connected_component'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:224:in `tsort_each'
from /Users/christinating/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/tsort.rb:205:in `tsort_each'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/initializable.rb:54:in `run_initializers'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/application.rb:288:in `initialize!'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/railtie.rb:194:in `public_send'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/railtie.rb:194:in `method_missing'
from /Users/christinating/scholarhood/config/environment.rb:5:in `<top (required)>'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/activesupport-4.1.0/lib/active_support/dependencies.rb:247:in `require'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/activesupport-4.1.0/lib/active_support/dependencies.rb:247:in `block in require'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/activesupport-4.1.0/lib/active_support/dependencies.rb:232:in `load_dependency'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/activesupport-4.1.0/lib/active_support/dependencies.rb:247:in `require'
from /Users/christinating/scholarhood/config.ru:11:in `block in <main>'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from /Users/christinating/scholarhood/config.ru:in `new'
from /Users/christinating/scholarhood/config.ru:in `<main>'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/commands/server.rb:50:in `app'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/commands/server.rb:130:in `log_to_stdout'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/commands/server.rb:67:in `start'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/commands/commands_tasks.rb:81:in `block in server'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/commands/commands_tasks.rb:76:in `tap'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/commands/commands_tasks.rb:76:in `server'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
from /Users/christinating/.rvm/gems/ruby-2.1.3/gems/railties-4.1.0/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
This project requires version ruby 2.1.3 to work though.
Can anyone please help me?
According to the error message:
config.allow_comments is no longer provided in ActiveAdmin 1.x. Use config.comments instead.
So, you need to edit config/initializers/active_admin.rb and change:
config.allow_comments
to:
config.comments

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.

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