React-rails: rails g react:install fails with "uninitialized constant React::Rails::Application"

Created on 27 Jan 2016 · 4Comments · Source: reactjs/react-rails

Wanted to try react-rails gem, and I followed a beginners tutorial and ran early into this problem:

on issuing: rails g react:install

C:/Users/Apophis/Downloads/Projects/react/config/application.rb:10:in `<module:React>': uninitialized constant React::Rails::Application (NameError)
        from C:/Users/Apophis/Downloads/Projects/react/config/application.rb:9:in `<top (required)>'
        from C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:141:in `require'
        from C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:141:in `require_application_and_environment!'
        from C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:128:in `generate_or_destroy'
        from C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:50:in `generate'
        from C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.2.5.1/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
        from C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/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>'

Freshly created rails app with Rails 4.2.5.1 / react-rails is the only gem I added by hand to the Gemfile. The bundle install worked without a problem "Using react-rails 1.5.0"
I searched for a bug and landed on Report #331 - It does not look like they are related, reorder did not help and I have only the standard gems in the Gemfile.

The installation is on windows, and here is my Gemfile.lock

Source

FreeApophis

Most helpful comment

The Problem was indeed in that File:

module React
  class Application < Rails::Application
  end
end

The problem was that I created a new app with the name react: Solution DO NOT create an application with the name react, any other name works like a charm. That was bad luck.

rails new react

Thanks, case closed

FreeApophis on 28 Jan 2016

👍8 😄3

All 4 comments

Huh, I wonder where that's coming from. Could you share this file too?

C:/Users/Apophis/Downloads/Projects/react/config/application.rb

That looks like the first trigger of the bug, but I'm not sure what's in that file!

rmosolgo on 28 Jan 2016

The Problem was indeed in that File:

module React
  class Application < Rails::Application
  end
end

The problem was that I created a new app with the name react: Solution DO NOT create an application with the name react, any other name works like a charm. That was bad luck.