Error precompiling an object from a css project - ActionView :: Template :: Error (project / screen.css is not precompiled) - Internal server error 500

Question

I am trying to deploy a rails application, but I am stuck with a precompilation error. According to the production log, the error occurs due to the "Blueprint" css script called screen.css (as you can see in the error output below). However, according to the production journal, this asset is actually compiled. I tried to explicitly add screen.css and print.css to the precompilation array, both in application.rb files and in config / environment / production.rb file as follows

config.assets.precompile = %w(screen.css print.css) 

but to no avail. I also tried precompiling my resources locally and directing all this to the server. I tried all the suggestions outlined here: the /screen.css plan was not precompiled here too: css rails 3.1 help information help and the same problem remains unresolved: Ruby on Rails 3.2 compiled assets do not work

I have no idea what to try to solve this error. Any help would be greatly appreciated! The log output is below, along with my deployment file, cap file, and application.rb file. Thanks in advance for any suggestions you may have!

This is the output from the log file after deployment, where you can see that screen.css gets precompiled. Error output:

 Compiled application.js (5ms) (pid 16431) Compiled jquery.js (2ms) (pid 16431) Compiled jquery_ujs.js (0ms) (pid 16431) Compiled microposts.js (94ms) (pid 16431) Compiled pages.js (1ms) (pid 16431) Compiled sessions.js (0ms) (pid 16431) Compiled users.js (0ms) (pid 16431) Compiled application.css (17ms) (pid 16431) Compiled blueprint/ie.css (0ms) (pid 16431) Compiled blueprint/plugins/buttons/screen.css (0ms) (pid 16431) Compiled blueprint/plugins/fancy-type/screen.css (0ms) (pid 16431) Compiled blueprint/plugins/link-icons/screen.css (0ms) (pid 16431) Compiled blueprint/plugins/rtl/screen.css (0ms) (pid 16431) Compiled blueprint/print.css (0ms) (pid 16431) Compiled blueprint/screen.css (0ms) (pid 16431) Compiled blueprint/src/forms.css (0ms) (pid 16431) Compiled blueprint/src/grid.css (0ms) (pid 16431) Compiled blueprint/src/ie.css (0ms) (pid 16431) Compiled blueprint/src/print.css (0ms) (pid 16431) Compiled blueprint/src/reset.css (0ms) (pid 16431) Compiled blueprint/src/typography.css (0ms) (pid 16431) Compiled custom.css (0ms) (pid 16431) Compiled microposts.css (13ms) (pid 16431) Compiled pages.css (1ms) (pid 16431) Compiled scaffolds.css (15ms) (pid 16431) Compiled sessions.css (1ms) (pid 16431) Compiled users.css (1ms) (pid 16431) Started GET "/" for 12.13.14.15 at 2012-04-05 14:15:50 -0700 Processing by PagesController#home as HTML Rendered pages/home.html.erb within layouts/application (1.1ms) Rendered layouts/_stylesheets.html.erb (1.3ms) Completed 500 Internal Server Error in 6ms ActionView::Template::Error (blueprint/screen.css isn't precompiled): 1: <!--[if lt IE9]> 2: <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script> 3: <![endif]--> 4: <%= stylesheet_link_tag 'blueprint/screen', :media => 'screen' %> 5: <%= stylesheet_link_tag 'blueprint/print', :media => 'print' %> 6: <!--[if lt IE 8]><%= stylesheet_link_tag 'blueprint/ie' %><![endif]--> 7: <%= stylesheet_link_tag 'custom', :media => 'screen' %> app/views/layouts/_stylesheets.html.erb:4:in `_app_views_layouts__stylesheets_html_erb___2010157553399413981_33056460' app/views/layouts/application.html.erb:6:in `_app_views_layouts_application_html_erb__4294160261947576619_31749320' 

And here is the deployment file:

 $:.unshift(File.expand_path('./lib', ENV['rvm_path'])) # Add RVM lib directory to the load path. require "rvm/capistrano" # Load RVM capistrano plugin. require "bundler/capistrano" set :application, "Project" set :scm, "git" set :repository, "ssh://server.example.ca/usr/local/git_root/project.git" set :user, "deploy" #set :rvm_bin_path, "/usr/local/rvm/bin" set :rvm_ruby_string, " ruby-1.9.2-p290@project " set :normalize_asset_timestamps, false ssh_options[:forward_agent] = true set :branch, "master" set :deploy_via, :remote_cache # If you aren't deploying to /u/apps/#{application} on the target # servers (which is the default), you can specify the actual location # via the :deploy_to variable: set :deploy_to, "/usr/local/www/sites/project.example.ca/" set :use_sudo, false set :domain, 'project.example.ca' role :app, domain role :web, domain role :db, domain, :primary => true before "deploy:symlink", "assets:precompile" namespace :assets do desc "Compile assets" task :precompile, :roles => :app do run "cd #{release_path} && bundle exec rake RAILS_ENV=#{rails_env} assets:precompile" end end 

Here is my capfile:

 load 'deploy' if respond_to?(:namespace) # cap2 differentiator Dir['vendor/plugins/*/recipes/*.rb'].each { |plugin| load(plugin) } load 'config/deploy' load 'deploy/assets' 

Here is the application.rb configuration file:

 require File.expand_path('../boot', __FILE__) require 'rails/all' if defined?(Bundler) # If you precompile assets before deploying to production, use this line Bundler.require(*Rails.groups(:assets => %w(development test))) # If you want your assets lazily compiled in production, use this line # Bundler.require(:default, :assets, Rails.env) end module Arbiterapi class Application < Rails::Application # Configure the default encoding used in templates for Ruby 1.9. config.encoding = "utf-8" # Configure sensitive parameters which will be filtered from the log file. config.filter_parameters += [:password] # Enable the asset pipeline config.assets.enabled = true # Version of your assets, change this if you want to expire all your assets config.assets.version = '1.0' # Precompile problem assets config.assets.precompile = %w(screen.css print.css) end end 

Answer 1

I ran into the same problem. But it turns out that my missing resource was compiled into application.js (since it combines all the files), so I just had to remove the link to a specific file (webcam.js in my case).

Your files are combined in application.css, etc.