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POCapistrano complains about missing 'eventmachine' on asset precompile
 

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  1. POCapistrano complains about missing 'eventmachine' on asset precompile
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    <p>I'm trying to deploy to a VPS following Ryan Bates screencast.</p> <p>I'm using thin as webserver opposed to unicorn and its giving me loads of headaches... When it tries to compile the assets on the server it gives me this:</p> <pre><code>triggering after callbacks for `deploy:update_code' * executing `deploy:assets:precompile' * executing "cd /home/deployer/apps/my-app/releases/20120614062157 &amp;&amp; b undle exec rake RAILS_ENV=production RAILS_GROUPS=assets assets:precompile" servers: ["**.**.**.**"] [xx.xx.xx.xx] executing command ** [out :: **.**.**.**] rake aborted! ** [out :: **.**.**.**] cannot load such file -- eventmachine ** [out :: **.**.**.**] ** [out :: **.**.**.**] (See full trace by running task with --trace) command finished in 3891ms *** [deploy:update_code] rolling back * executing "rm -rf /home/deployer/apps/my-app/releases/20120614062157; true" servers: ["**.**.**.**"] [**.**.**.**] executing command </code></pre> <p>I cant check if eventmachine is installed in the bundle because capistrano always rolls everything back so I dont actually have the app installed after the script.. this makes it almost impossible to trace this back further...</p> <p>So I am completely lost. Googling "rake assets:precompile eventmachine" doesnt return anything relevant..</p> <p>Thank you for your help.</p> <p>Kind regards Stefano</p> <p>My gemfile:</p> <pre><code>source 'http://rubygems.org' gem 'rails', '3.2.2' # Bundle edge Rails instead: # gem 'rails', :git =&gt; 'git://github.com/rails/rails.git' # gem 'sqlite3' gem 'pg' gem 'bootstrap-sass-rails' group :development do # To generate the class diagrams. gem 'annotate', :git =&gt; 'git://github.com/jeremyolliver/annotate_models.git', :branch =&gt; 'rake_compatibility' end group :test do gem 'rspec-rails' gem 'capybara' gem 'spork', '0.9.0' gem 'factory_girl_rails' gem 'guard-spork', '0.3.2' end # Gems used only for assets and not required # in production environments by default. group :assets do gem 'sass-rails', '~&gt; 3.2.3' gem 'coffee-rails', '~&gt; 3.2.1' # See https://github.com/sstephenson/execjs#readme for more supported runtimes # gem 'therubyracer' gem 'uglifier', '&gt;= 1.0.3' end gem 'jquery-rails' #To use ActiveModel has_secure_password gem 'bcrypt-ruby', '~&gt; 3.0.0' # Form helpers gem 'simple_form' gem 'country_select' # RMagick gem 'mini_magick' # Active merchant gem 'activemerchant', :require =&gt; 'active_merchant' # To validate IBAN numbers gem 'iban-tools' # For the google maps stuff gem 'gmaps4rails' # To generate PDFs gem 'prawn', '1.0.0.rc1' # HAML test gem 'haml' gem 'haml-rails' # For HTML emails gem 'roadie' # To use Jbuilder templates for JSON # gem 'jbuilder' # Use unicorn as the app server # gem 'unicorn' # gem "thin", "1.3.1" # gem "unicorn" # Deploy with Capistrano gem 'capistrano' platform :ruby do gem "unicorn" end # To use debugger # gem 'ruby-debug19', :require =&gt; 'ruby-debug' </code></pre> <p>As you see I swaped thin for unicorn... I think I also narrowed it down to capistrano never actually calling bundle install? Because now it complains about nokogiri not being found.</p> <p>I managed to find the actual release that capistrano stores on the server under the shared/cached-copy directory and bundle install there works just fine!</p> <p>Yeah 'Deployment with rails is easy!' Easy to waste an entire week on it..</p> <p>Bundle install works if I do bundle exec cap deploy:</p> <pre><code> triggering after callbacks for `deploy:finalize_update' * executing `bundle:install' * executing "ls -x /home/deployer/apps/hemd-mit-stil/releases" servers: ["xx.xx.xx.xx"] [xx.xx.xx.xx] executing command command finished in 1453ms * executing "cd /home/deployer/apps/hemd-mit-stil/releases/20120615043946 &amp;&amp; b undle install --gemfile /home/deployer/apps/hemd-mit-stil/releases/2012061504394 6/Gemfile --path /home/deployer/apps/hemd-mit-stil/shared/bundle --deployment -- quiet --without development test" servers: ["xx.xx.xx.xx"] [xx.xx.xx.xx] executing command command finished in 29813ms * executing `deploy:symlink_config' * executing "ln -nfs /home/deployer/apps/hemd-mit-stil/shared/config/database. yml /home/deployer/apps/hemd-mit-stil/releases/20120615043946/config/database.ym l" servers: ["xx.xx.xx.xx"] [xx.xx.xx.xx] executing command command finished in 1484ms triggering after callbacks for `deploy:update_code' * executing `deploy:assets:precompile' * executing "cd /home/deployer/apps/hemd-mit-stil/releases/20120615043946 &amp;&amp; b undle exec rake RAILS_ENV=production RAILS_GROUPS=assets assets:precompile" servers: ["xx.xx.xx.xx"] [xx.xx.xx.xx] executing command ** [out :: xx.xx.xx.xx] rake aborted! ** [out :: xx.xx.xx.xx] cannot load such file -- nokogiri ** [out :: xx.xx.xx.xx] ** [out :: xx.xx.xx.xx] (See full trace by running task with --trace) command finished in 3563ms *** [deploy:update_code] rolling back * executing "rm -rf /home/deployer/apps/hemd-mit-stil/releases/20120615043946; true" servers: ["xx.xx.xx.xx"] [xx.xx.xx.xx] executing command command finished in 1453ms failed: "sh -c 'cd /home/deployer/apps/hemd-mit-stil/releases/20120615043946 &amp;&amp; bundle exec rake RAILS_ENV=production RAILS_GROUPS=assets assets:precompile'" on xx.xx.xx.xx </code></pre> <p>My deploy.rb file (basically straight copy from railscasts)</p> <pre><code>require "bundler/capistrano" server "xx.xx.xx.xx", :web, :app, :db, primary: true set :application, "hemd-mit-stil" set :user, "deployer" set :deploy_to, "/home/#{user}/apps/#{application}" set :deploy_via, :remote_cache set :use_sudo, false set :scm, "git" set :repository, "git@github.com:Stefano1990/#{application}.git" set :branch, "master" default_run_options[:pty] = true ssh_options[:forward_agent] = true ssh_options[:paranoid] = false after "deploy", "deploy:cleanup" # keep only the last 5 releases namespace :deploy do %w[start stop restart].each do |command| desc "#{command} unicorn server" task command, roles: :app, except: {no_release: true} do run "/etc/init.d/unicorn_#{application} #{command}" end end task :setup_config, roles: :app do sudo "ln -nfs #{current_path}/config/nginx.conf /etc/nginx/sites-enabled/#{application}" sudo "ln -nfs #{current_path}/config/unicorn_init.sh /etc/init.d/unicorn_#{application}" run "mkdir -p #{shared_path}/config" put File.read("config/database.example.yml"), "#{shared_path}/config/database.yml" puts "Now edit the config files in #{shared_path}." end after "deploy:setup", "deploy:setup_config" task :symlink_config, roles: :app do run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml" end after "deploy:finalize_update", "deploy:symlink_config" desc "Make sure local git is in sync with remote." task :check_revision, roles: :web do unless `git rev-parse HEAD` == `git rev-parse origin/master` puts "WARNING: HEAD is not the same as origin/master" puts "Run `git push` to sync changes." exit end end before "deploy", "deploy:check_revision" end </code></pre>
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    1. COCan you run rake RAILS_ENV=production RAILS_GROUPS=assets locally?
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      1. USFrederick Cheung
    2. COyes locally it works just fine. In the meantime I tried to clone the git repository manually on the server and then compile the assets and that works just fine as well.
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      1. USKimJongIl
    3. COThis sounds like some sort of problem with thin (since thin uses EM behind the scenes). I haven't come across this issue before so I don't have an answer, sorry.
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      1. USAndrew
 

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