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PODebugging Heroku Deployment (500 Error)
 

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    <p>I've been working on deploying my first rails app to heroku for the past few nights and am struggling to figure out how to solve this problem.</p> <p>I used Michael Hartl's tutorial (http://ruby.railstutorial.org/chapters/beginning#sec-deploying) to make sure I set up my app on the Cedar Stack.</p> <p>Per the Heroku tutorial, I'm using "thin" as the server.</p> <p>I've read a bunch of posts and have precompiled my assets using:</p> <p>heroku run bundle exec rake assets:precompile bundle exec rake assets:precompile</p> <p>I have also migrated my databases.</p> <p>My app works on my localhost.</p> <p>Here is my gemfile:</p> <pre><code>source 'https://rubygems.org' gem 'rails', '3.2.8' gem 'bootstrap-sass', '2.0.0' gem 'bcrypt-ruby' gem 'thin' group :development, :test do gem 'rspec-rails' end group :development do gem 'sqlite3' end # Bundle edge Rails instead: # gem 'rails', :git =&gt; 'git://github.com/rails/rails.git' group :production do gem 'pg' 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', :platforms =&gt; :ruby gem 'uglifier', '&gt;= 1.0.3' end gem 'jquery-rails' group :test do gem 'capybara' gem 'factory_girl_rails' end </code></pre> <p>Here are my heroku logs</p> <pre><code>2012-09-02T01:56:17+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from &lt;top (required)&gt; at /app/config/environment.rb:5) 2012-09-02T01:56:20+00:00 app[web.1]: =&gt; Booting Thin 2012-09-02T01:56:20+00:00 app[web.1]: =&gt; Rails 3.2.8 application starting in production on http://0.0.0.0:50510 2012-09-02T01:56:20+00:00 app[web.1]: =&gt; Call with -d to detach 2012-09-02T01:56:20+00:00 app[web.1]: =&gt; Ctrl-C to shutdown server 2012-09-02T01:56:20+00:00 app[web.1]: Connecting to database specified by DATABASE_URL 2012-09-02T01:56:21+00:00 app[web.1]: &gt;&gt; Thin web server (v1.4.1 codename Chromeo) 2012-09-02T01:56:21+00:00 app[web.1]: &gt;&gt; Maximum connections set to 1024 2012-09-02T01:56:21+00:00 app[web.1]: &gt;&gt; Listening on 0.0.0.0:50510, CTRL+C to stop 2012-09-02T01:56:21+00:00 heroku[web.1]: State changed from starting to up 2012-09-02T01:56:23+00:00 app[web.1]: 2012-09-02T01:56:23+00:00 app[web.1]: 2012-09-02T01:56:23+00:00 app[web.1]: Started GET "/" for 108.210.1.241 at 2012-09-02 01:56:23 +0000 2012-09-02T01:56:23+00:00 app[web.1]: Processing by StaticPagesController#home as HTML 2012-09-02T01:56:23+00:00 app[web.1]: Rendered static_pages/home.html.erb within layouts/application (14.9ms) 2012-09-02T01:56:23+00:00 app[web.1]: Completed 500 Internal Server Error in 103ms 2012-09-02T01:56:23+00:00 app[web.1]: ActionView::Template::Error (screen.css isn't precompiled): 2012-09-02T01:56:23+00:00 app[web.1]: 2012-09-02T01:56:23+00:00 app[web.1]: 2: &lt;html&gt; 2012-09-02T01:56:23+00:00 app[web.1]: 3: &lt;head&gt; 2012-09-02T01:56:23+00:00 heroku[router]: GET morning-inlet-9513.herokuapp.com/ dyno=web.1 queue=0 wait=0ms service=262ms status=500 bytes=643 2012-09-02T01:56:23+00:00 app[web.1]: 4: &lt;title&gt;GabisBag&lt;/title&gt; 2012-09-02T01:56:23+00:00 app[web.1]: 2012-09-02T01:56:23+00:00 app[web.1]: 5: &lt;%= stylesheet_link_tag "screen", :media =&gt; "screen" %&gt; 2012-09-02T01:56:23+00:00 app[web.1]: 2012-09-02T01:56:23+00:00 app[web.1]: app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb__1090905269972481286_30934000' 2012-09-02T01:56:23+00:00 app[web.1]: 6: &lt;%= stylesheet_link_tag "landing_pages", :media =&gt; "screen" %&gt; 2012-09-02T01:56:23+00:00 app[web.1]: 7: &lt;%= javascript_include_tag "application" %&gt; 2012-09-02T01:56:23+00:00 app[web.1]: 8: &lt;%= csrf_meta_tags %&gt; 2012-09-02T02:05:54+00:00 heroku[api]: Starting process with command `bundle exec rake assets:precompile` by jflores1@alumni.nd.edu 2012-09-02T02:05:57+00:00 heroku[run.1]: Awaiting client 2012-09-02T02:05:57+00:00 heroku[run.1]: Starting process with command `bundle exec rake assets:precompile` 2012-09-02T02:05:58+00:00 heroku[run.1]: State changed from starting to up 2012-09-02T02:06:14+00:00 heroku[run.1]: Client connection closed. Sending SIGHUP to all processes 2012-09-02T02:06:15+00:00 heroku[run.1]: Process exited with status 0 2012-09-02T02:06:15+00:00 heroku[run.1]: State changed from up to complete 2012-09-02T02:08:22+00:00 heroku[slugc]: Slug compilation started 2012-09-02T02:08:37+00:00 heroku[api]: D eploy 6817a8e by jflores1@alumni.nd.edu 2012-09-02T02:08:37+00:00 heroku[api]: Release v8 created by jflores1@alumni.nd.edu 2012-09-02T02:08:38+00:00 heroku[web.1]: State changed from up to starting 2012-09-02T02:08:38+00:00 heroku[slugc]: Slug compilation finished 2012-09-02T02:08:40+00:00 heroku[web.1]: Starting process with command `bundle exec rails server thin -p 42652 -e production` 2012-09-02T02:08:41+00:00 heroku[web.1]: Stopping all processes with SIGTERM 2012-09-02T02:08:41+00:00 app[web.1]: Exiting 2012-09-02T02:08:42+00:00 heroku[web.1]: Process exited with status 0 2012-09-02T02:08:44+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from &lt;top (required)&gt; at /app/config/environment.rb:5) 2012-09-02T02:08:44+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from &lt;top (required)&gt; at /app/config/environment.rb:5) 2012-09-02T02:08:47+00:00 app[web.1]: =&gt; Booting Thin 2012-09-02T02:08:47+00:00 app[web.1]: =&gt; Rails 3.2.8 application starting in production on http://0.0.0.0:42652 2012-09-02T02:08:47+00:00 app[web.1]: =&gt; Call with -d to detach 2012-09-02T02:08:47+00:00 app[web.1]: =&gt; Ctrl-C to shutdown server 2012-09-02T02:08:47+00:00 app[web.1]: Connecting to database specified by DATABASE_URL 2012-09-02T02:08:48+00:00 app[web.1]: &gt;&gt; Thin web server (v1.4.1 codename Chromeo) 2012-09-02T02:08:48+00:00 app[web.1]: &gt;&gt; Maximum connections set to 1024 2012-09-02T02:08:48+00:00 app[web.1]: &gt;&gt; Listening on 0.0.0.0:42652, CTRL+C to stop 2012-09-02T02:08:49+00:00 heroku[web.1]: State changed from starting to up 2012-09-02T02:08:50+00:00 app[web.1]: Started GET "/" for 108.210.1.241 at 2012-09-02 02:08:50 +0000 2012-09-02T02:08:50+00:00 app[web.1]: 2012-09-02T02:08:50+00:00 app[web.1]: 2012-09-02T02:08:50+00:00 app[web.1]: Processing by StaticPagesController#home as HTML 2012-09-02T02:08:50+00:00 app[web.1]: Rendered static_pages/home.html.erb within layouts/application (9.3ms) 2012-09-02T02:08:50+00:00 app[web.1]: Completed 500 Internal Server Error in 77ms 2012-09-02T02:08:50+00:00 app[web.1]: 2012-09-02T02:08:50+00:00 app[web.1]: ActionView::Template::Error (screen.css isn't precompiled): 2012-09-02T02:08:50+00:00 app[web.1]: 2: &lt;html&gt; 2012-09-02T02:08:50+00:00 app[web.1]: 3: &lt;head&gt; 2012-09-02T02:08:50+00:00 app[web.1]: 4: &lt;title&gt;GabisBag&lt;/title&gt; 2012-09-02T02:08:50+00:00 app[web.1]: 5: &lt;%= stylesheet_link_tag "screen", :media =&gt; "screen" %&gt; 2012-09-02T02:08:50+00:00 app[web.1]: 6: &lt;%= stylesheet_link_tag "landing_pages", :media =&gt; "screen" %&gt; 2012-09-02T02:08:50+00:00 app[web.1]: 7: &lt;%= javascript_include_tag "application" %&gt; 2012-09-02T02:08:50+00:00 app[web.1]: 8: &lt;%= csrf_meta_tags %&gt; 2012-09-02T02:08:50+00:00 app[web.1]: app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb__3619394764979485472_40067220' 2012-09-02T02:08:50+00:00 app[web.1]: 2012-09-02T02:08:50+00:00 app[web.1]: 2012-09-02T02:08:50+00:00 heroku[router]: GET morning-inlet-9513.herokuapp.com/ dyno=web.1 queue=0 wait=0ms service=221ms status=500 bytes=643 2012-09-02T02:14:08+00:00 heroku[api]: Starting process with command `bundle exec rake db:migrate` by jflores1@alumni.nd.edu 2012-09-02T02:14:10+00:00 heroku[run.1]: Awaiting client 2012-09-02T02:14:10+00:00 heroku[run.1]: Starting process with command `bundle exec rake db:migrate` 2012-09-02T02:14:11+00:00 heroku[run.1]: State changed from starting to up 2012-09-02T02:14:17+00:00 heroku[run.1]: Client connection closed. Sending SIGHUP to all processes 2012-09-02T02:14:18+00:00 heroku[run.1]: Process exited with status 0 2012-09-02T02:14:18+00:00 heroku[run.1]: State changed from up to complete 2012-09-02T02:14:35+00:00 app[web.1]: 2012-09-02T02:14:35+00:00 app[web.1]: Started GET "/" for 108.210.1.241 at 2012-09-02 02:14:35 +0000 2012-09-02T02:14:35+00:00 app[web.1]: 2012-09-02T02:14:35+00:00 app[web.1]: Processing by StaticPagesController#home as HTML 2012-09-02T02:14:35+00:00 app[web.1]: Rendered static_pages/home.html.erb within layouts/application (0.5ms) 2012-09-02T02:14:35+00:00 app[web.1]: Completed 500 Internal Server Error in 2ms 2012-09-02T02:14:35+00:00 app[web.1]: 2012-09-02T02:14:35+00:00 app[web.1]: ActionView::Template::Error (screen.css isn't precompiled): 2012-09-02T02:14:35+00:00 app[web.1]: 2: &lt;html&gt; 2012-09-02T02:14:35+00:00 app[web.1]: 3: &lt;head&gt; 2012-09-02T02:14:35+00:00 app[web.1]: 4: &lt;title&gt;GabisBag&lt;/title&gt; 2012-09-02T02:14:35+00:00 app[web.1]: 5: &lt;%= stylesheet_link_tag "screen", :media =&gt; "screen" %&gt; 2012-09-02T02:14:35+00:00 app[web.1]: 6: &lt;%= stylesheet_link_tag "landing_pages", :media =&gt; "screen" %&gt; 2012-09-02T02:14:35+00:00 app[web.1]: 7: &lt;%= javascript_include_tag "application" %&gt; 2012-09-02T02:14:35+00:00 app[web.1]: 8: &lt;%= csrf_meta_tags %&gt; 2012-09-02T02:14:35+00:00 app[web.1]: app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb__3619394764979485472_40067220' 2012-09-02T02:14:35+00:00 app[web.1]: 2012-09-02T02:14:35+00:00 app[web.1]: 2012-09-02T02:14:35+00:00 heroku[router]: GET morning-inlet-9513.herokuapp.com/ dyno=web.1 queue=0 wait=0ms service=11ms status=500 bytes=643 </code></pre>
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