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Editorial Team
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Asked: 2026-05-25T13:39:59+00:00

I have installed rails 3.1 with apache2 and passenger on ubuntu 10.04 . using

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I have installed rails 3.1 with apache2 and passenger on ubuntu 10.04. using ruby 1.9.2 with RVM.
When I load the application in browser in production (development version works fine on my machine), it does not work.

My Production Error Log is:

Started GET "/articles" for 117.230.75.50 at 2011-09-12 13:51:34 +0000
Processing by ArticlesController#index as HTML
Rendered articles/index.html.erb within layouts/application (56.4ms)
Completed 500 Internal Server Error in 126ms

ActionView::Template::Error (application.css isn't precompiled):
    2: <html>
    3: <head>
    4:   <title>Youexpress</title>
    5:   <%= stylesheet_link_tag    "application" %>
    6:   <%= javascript_include_tag "application" %>
    7:   <%= csrf_meta_tags %>
    8: </head>
  app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb__385712067674585148_29380260'
  app/controllers/articles_controller.rb:7:in `index'

But, when I remove the link_tags in app/views/layouts/application.html.erb like this, the application works fine in production mode.

<!DOCTYPE html>
<html>
<head>
  <title>Youexpress</title>
</head>
<body>

<%= yield %>

</body>
</html>

How do I get Around this? When I do bundle exec rake assets:precompile I get the following error:

rake aborted!
no such file to load -- uglifier
  (in /home/username/youexpress/vendor/bundle/ruby/1.9.1/gems/jquery-rails-1.0.14/vendor/assets/javascripts/jquery-ui.min.js)

Note: In the above error it shows ruby/1.9.1 not 1.9.2 ( I’ve installed 1.9.2 )

Please help with my situation.

Thanks

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1 Answer

  1. Editorial Team

    I’ve found the answer myself, The reason for the error is rails app needs javascript runtime for certain features of sass, coffeescript and uglifier to work.

    There are many ways to solve this, by installing javascript runtimes like nodejs

    But, the solution I went with, and perhaps the easiest one is, adding gem 'therubyracer' to my Gemfile and then running bundle install

    Excerpt from my Gemfile is below

    # Gems used only for assets and not required
# in production environments by default.
group :assets do
  gem 'therubyracer'
  gem 'sass-rails', "  ~> 3.1.0"
  gem 'coffee-rails', "~> 3.1.0"
  gem 'uglifier'
end

    adding therubyracer also fixes rake assets:precompile

    Hope this helps. I’ve spent days searching for this solution.

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