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I created a new rails application using Rails Composer and it was able to see all the project files.

However, if I start rails server, I'm getting following error - 

/Users/aniruddhabarapatre1/RubyRails/rails-bootstrap/config/application.rb:7:in `<top    (required)>': uninitialized constant Bundler (NameError)
from /Users/aniruddhabarapatre1/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/aniruddhabarapatre1/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/aniruddhabarapatre1/.rvm/gems/ruby-2.0.0-p247@rails-bootstrap/gems/railties-4.0.3/lib/rails/commands.rb:74:in `block in <top (required)>'
from /Users/aniruddhabarapatre1/.rvm/gems/ruby-2.0.0-p247@rails-bootstrap/gems/railties-4.0.3/lib/rails/commands.rb:71:in `tap'
from /Users/aniruddhabarapatre1/.rvm/gems/ruby-2.0.0-p247@rails-bootstrap/gems/railties-4.0.3/lib/rails/commands.rb:71:in `<top (required)>'
from /Users/aniruddhabarapatre1/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:135:in `require'
from /Users/aniruddhabarapatre1/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:135:in `rescue in require'
from /Users/aniruddhabarapatre1/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:144:in `require'
from bin/rails:4:in `<main>'

I am unsure of what I'm missing here. I tried searching for solution by looking for the error, but with no success.

Aniruddha
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  • The rails-bootstrap application is intended for Rails 4.1. It looks like you are running it under rails 4.0. – Daniel Kehoe Mar 11 '14 at 04:23
  • Is it possible to upgrade by rails for this application and not for remaining projects as 4.0 is the stable version? – Aniruddha Mar 11 '14 at 04:29
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    Use RVM to switch gemsets. Make a gemset for Rails 4.1 and another for Rails 4.0. – Daniel Kehoe Mar 11 '14 at 11:00
  • @DanielKehoe I updated my Rails to 4.1 but again if I run my app, I'm getting following error - `def exec_runtime(filename) output = sh("#{shell_escape(*(binary.split(' ') << filename))} 2>&1") if $?.success? output else raise RuntimeError, output end end` – Aniruddha Mar 12 '14 at 03:34
  • This is from file - exec_runtimeexecjs (2.0.2) lib/execjs/external_runtime.rb – Aniruddha Mar 12 '14 at 04:20
  • You're on Ubuntu? Have you followed the complete install instructions here: http://railsapps.github.io/installrubyonrails-ubuntu.html and installed node.js or therubyracer? Can you build and run a simple Rails app with ```rails new```? – Daniel Kehoe Mar 12 '14 at 11:34
  • @DanielKehoe I could run my other rails app. I am on Mac OSX Maverick. – Aniruddha Mar 12 '14 at 22:18
  • You're using Rails 4.1 and you've built a new app with ```rails new```? And it runs? If so, try cloning the app from the GitHub repo and see if it runs: https://github.com/RailsApps/rails-bootstrap – Daniel Kehoe Mar 12 '14 at 23:49
  • @DanielKehoe I cloned your project and was unable to start rails server as it is asking me to install ruby 2.1.1 Downloaded your project too and that's the difference in the Gemfile too. – Aniruddha Mar 13 '14 at 00:44
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    Yes, you need Ruby 2.1.1. The README files for both Rails Composer and the rails-bootstrap application both indicate Ruby 2.1.1 is a requirement. – Daniel Kehoe Mar 13 '14 at 04:42

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