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Asked: 2026-06-01T15:01:57+00:00

I am facing this problem upon pushing my app to Heroku: 500 internal server

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I am facing this problem upon pushing my app to Heroku:

  • 500 internal server error
  • ActionView::Template::Error…application.css isn’t precompiled (see attached Heroku logs)
  • Also, ActionController::RoutingError (No route matches [GET] “/assets/rails.png”

I am using Twitter Bootstrap 2.0.1 and Rails 3.1.1 (see Gemfile below)

Any guidance would be much appreciated!

HEROKU LOGS

2012-04-06T16:49:38+00:00 app[web.1]: 
2012-04-06T16:49:38+00:00 app[web.1]: Started GET "/" for 115.186.162.46 at 2012-04-06 09:49:38 -0700
2012-04-06T16:49:38+00:00 app[web.1]:   Processing by PostsController#new as HTML
2012-04-06T16:49:38+00:00 app[web.1]: Rendered posts/_form.html.erb (1.4ms)
2012-04-06T16:49:38+00:00 app[web.1]: Rendered posts/new.html.erb within layouts/application (1.8ms)
2012-04-06T16:49:38+00:00 app[web.1]: Completed 500 Internal Server Error in 3ms
2012-04-06T16:49:38+00:00 app[web.1]: 
2012-04-06T16:49:38+00:00 app[web.1]: ActionView::Template::Error (application.css isn't precompiled):
2012-04-06T16:49:38+00:00 app[web.1]:     6:     <title>Weddoo!</title>
2012-04-06T16:49:38+00:00 app[web.1]:     7:     <%= csrf_meta_tags %>
2012-04-06T16:49:38+00:00 app[web.1]:     8: 
2012-04-06T16:49:38+00:00 app[web.1]:     9:     <%= stylesheet_link_tag "application", :media => "all" %>
2012-04-06T16:49:38+00:00 app[web.1]:     10: 
2012-04-06T16:49:38+00:00 app[web.1]:     11:     <link href="images/favicon.ico" rel="shortcut icon">
2012-04-06T16:49:38+00:00 app[web.1]:     12:     <link href="images/apple-touch-icon.png" rel="apple-touch-icon">
2012-04-06T16:49:38+00:00 app[web.1]:   app/views/layouts/application.html.erb:9:in `_app_views_layouts_application_html_erb__819333137240276330_18641900'
2012-04-06T16:49:38+00:00 app[web.1]:   app/controllers/posts_controller.rb:24:in `new'
2012-04-06T16:49:38+00:00 app[web.1]: 
2012-04-06T16:49:38+00:00 app[web.1]: 
2012-04-06T16:49:38+00:00 app[web.1]: cache: [GET /] miss
2012-04-06T16:49:38+00:00 heroku[router]: GET weddoo.heroku.com/ dyno=web.1 queue=0 wait=0ms service=11ms status=500 bytes=728
2012-04-06T16:49:38+00:00 heroku[nginx]: 115.186.162.46 - - [06/Apr/2012:16:49:38 +0000] "GET / HTTP/1.1" 500 728 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7" weddoo.heroku.com
2012-04-06T16:49:39+00:00 app[web.1]: 
2012-04-06T16:49:39+00:00 app[web.1]: 
2012-04-06T16:49:39+00:00 app[web.1]: Started GET "/" for 115.186.162.46 at 2012-04-06 09:49:39 -0700
2012-04-06T16:49:39+00:00 app[web.1]:   Processing by PostsController#new as HTML
2012-04-06T16:49:39+00:00 app[web.1]: Rendered posts/new.html.erb within layouts/application (1.6ms)
2012-04-06T16:49:39+00:00 app[web.1]: Rendered posts/_form.html.erb (1.4ms)
2012-04-06T16:49:39+00:00 app[web.1]: Completed 500 Internal Server Error in 3ms
2012-04-06T16:49:39+00:00 app[web.1]: 
2012-04-06T16:49:39+00:00 app[web.1]: ActionView::Template::Error (application.css isn't precompiled):
2012-04-06T16:49:39+00:00 app[web.1]:     6:     <title>Weddoo!</title>
2012-04-06T16:49:39+00:00 app[web.1]:     9:     <%= stylesheet_link_tag "application", :media => "all" %>
2012-04-06T16:49:39+00:00 app[web.1]:     10: 
2012-04-06T16:49:39+00:00 app[web.1]:     11:     <link href="images/favicon.ico" rel="shortcut icon">
2012-04-06T16:49:39+00:00 app[web.1]:     7:     <%= csrf_meta_tags %>
2012-04-06T16:49:39+00:00 app[web.1]:     8: 
2012-04-06T16:49:39+00:00 app[web.1]:     12:     <link href="images/apple-touch-icon.png" rel="apple-touch-icon">
2012-04-06T16:49:39+00:00 app[web.1]:   app/views/layouts/application.html.erb:9:in `_app_views_layouts_application_html_erb__819333137240276330_18641900'
2012-04-06T16:49:39+00:00 app[web.1]:   app/controllers/posts_controller.rb:24:in `new'
2012-04-06T16:49:39+00:00 app[web.1]: 
2012-04-06T16:49:39+00:00 app[web.1]: 
2012-04-06T16:49:39+00:00 app[web.1]: cache: [GET /] miss
2012-04-06T16:49:39+00:00 heroku[router]: GET weddoo.heroku.com/ dyno=web.1 queue=0 wait=0ms service=10ms status=500 bytes=728
2012-04-06T16:49:39+00:00 heroku[nginx]: 115.186.162.46 - - [06/Apr/2012:16:49:39 +0000] "GET / HTTP/1.1" 500 728 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7" weddoo.heroku.com
2012-04-06T16:51:32+00:00 heroku[slugc]: Slug compilation started
2012-04-06T16:51:46+00:00 heroku[api]: Release v8 created by postkhalid@yahoo.com
2012-04-06T16:51:46+00:00 heroku[api]: Deploy db6820d by postkhalid@yahoo.com
2012-04-06T16:51:46+00:00 heroku[web.1]: State changed from up to bouncing
2012-04-06T16:51:46+00:00 heroku[web.1]: State changed from bouncing to created
2012-04-06T16:51:46+00:00 heroku[web.1]: State changed from created to starting
2012-04-06T16:51:47+00:00 heroku[slugc]: Slug compilation finished
2012-04-06T16:51:48+00:00 heroku[web.1]: Stopping process with SIGTERM
2012-04-06T16:51:48+00:00 app[web.1]: >> Stopping ...
2012-04-06T16:51:50+00:00 heroku[web.1]: Process exited with status 0
2012-04-06T16:51:51+00:00 heroku[web.1]: Starting process with command `thin -p 30481 -e production -R /home/heroku_rack/heroku.ru start`
2012-04-06T16:51:55+00:00 app[web.1]: >> Thin web server (v1.2.6 codename Crazy Delicious)
2012-04-06T16:51:55+00:00 app[web.1]: >> Maximum connections set to 1024
2012-04-06T16:51:55+00:00 app[web.1]: >> Listening on 0.0.0.0:30481, CTRL+C to stop
2012-04-06T16:51:56+00:00 heroku[web.1]: State changed from starting to up
2012-04-06T16:51:56+00:00 heroku[rake.1]: State changed from created to starting
2012-04-06T16:52:02+00:00 app[rake.1]: Awaiting client
2012-04-06T16:52:02+00:00 heroku[rake.1]: State changed from starting to up
2012-04-06T16:52:02+00:00 app[rake.1]: Starting process with command `bundle exec rake db:migrate`
2012-04-06T16:52:07+00:00 heroku[rake.1]: Process exited with status 0
2012-04-06T16:52:07+00:00 heroku[rake.1]: State changed from up to complete
2012-04-06T16:52:20+00:00 app[web.1]: 
2012-04-06T16:52:20+00:00 app[web.1]: 
2012-04-06T16:52:20+00:00 app[web.1]: Started GET "/assets/rails.png" for 115.186.162.46 at 2012-04-06 09:52:20 -0700
2012-04-06T16:52:20+00:00 heroku[router]: GET weddoo.heroku.com/assets/rails.png dyno=web.1 queue=0 wait=0ms service=80ms status=404 bytes=728
2012-04-06T16:52:20+00:00 app[web.1]: 
2012-04-06T16:52:20+00:00 app[web.1]: ActionController::RoutingError (No route matches [GET] "/assets/rails.png"):
2012-04-06T16:52:20+00:00 app[web.1]:   
2012-04-06T16:52:20+00:00 app[web.1]: 
2012-04-06T16:52:20+00:00 app[web.1]: 
2012-04-06T16:52:20+00:00 app[web.1]: cache: [GET /assets/rails.png] miss
2012-04-06T16:52:21+00:00 heroku[nginx]: 115.186.162.46 - - [06/Apr/2012:16:52:21 +0000] "GET /assets/rails.png HTTP/1.1" 404 728 "http://weddoo.heroku.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7" weddoo.heroku.com
2012-04-06T16:52:23+00:00 app[web.1]: 
2012-04-06T16:52:23+00:00 app[web.1]: 
2012-04-06T16:52:23+00:00 app[web.1]: Started GET "/" for 115.186.162.46 at 2012-04-06 09:52:23 -0700
2012-04-06T16:52:23+00:00 app[web.1]:   Processing by PostsController#new as HTML
2012-04-06T16:52:23+00:00 app[web.1]: Rendered posts/_form.html.erb (25.6ms)
2012-04-06T16:52:23+00:00 app[web.1]: Rendered posts/new.html.erb within layouts/application (53.8ms)
2012-04-06T16:52:23+00:00 app[web.1]: ActionView::Template::Error (application.css isn't precompiled):
2012-04-06T16:52:23+00:00 app[web.1]: Completed 500 Internal Server Error in 150ms
2012-04-06T16:52:23+00:00 app[web.1]:     6:     <title>Weddoo!</title>
2012-04-06T16:52:23+00:00 app[web.1]: 
2012-04-06T16:52:23+00:00 app[web.1]:     7:     <%= csrf_meta_tags %>
2012-04-06T16:52:23+00:00 app[web.1]:     8: 
2012-04-06T16:52:23+00:00 app[web.1]:     10: 
2012-04-06T16:52:23+00:00 app[web.1]:     9:     <%= stylesheet_link_tag "application", :media => "all" %>
2012-04-06T16:52:23+00:00 app[web.1]:     11:     <link href="images/favicon.ico" rel="shortcut icon">
2012-04-06T16:52:23+00:00 heroku[router]: GET weddoo.heroku.com/ dyno=web.1 queue=0 wait=0ms service=206ms status=500 bytes=728
2012-04-06T16:52:23+00:00 app[web.1]:     12:     <link href="images/apple-touch-icon.png" rel="apple-touch-icon">
2012-04-06T16:52:23+00:00 app[web.1]:   app/views/layouts/application.html.erb:9:in `_app_views_layouts_application_html_erb___37461260917978840_28780360'
2012-04-06T16:52:23+00:00 app[web.1]:   app/controllers/posts_controller.rb:24:in `new'
2012-04-06T16:52:23+00:00 app[web.1]: 
2012-04-06T16:52:23+00:00 app[web.1]: 
2012-04-06T16:52:23+00:00 app[web.1]: cache: [GET /] miss
2012-04-06T16:52:24+00:00 heroku[nginx]: 115.186.162.46 - - [06/Apr/2012:16:52:24 +0000] "GET / HTTP/1.1" 500 728 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7" weddoo.heroku.com

GEMFILE

source 'http://rubygems.org'

gem 'rails', '3.1.1'

# Bundle edge Rails instead:
# gem 'rails',     :git => 'git://github.com/rails/rails.git'

gem 'sqlite3'
gem 'pg'
gem 'json'
gem "twitter-bootstrap-rails", "~> 2.0.1.0"

# Gems used only for assets and not required
# in production environments by default.
group :assets do
gem 'sass-rails',   '~> 3.1.4'
gem 'coffee-rails', '~> 3.1.1'
gem 'uglifier', '>= 1.0.3'
end

gem 'jquery-rails'

# To use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# Use unicorn as the web server
# gem 'unicorn'

# Deploy with Capistrano
# gem 'capistrano'

# To use debugger
# gem 'ruby-debug'

RAKEFILE

#!/usr/bin/env rake
# Add your own tasks in files placed in lib/tasks ending in .rake,
# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.

require File.expand_path('../config/application', __FILE__)

Mysalary::Application.load_tasks

HEROKU INFO

=== weddoo
Addons:        Shared Database 5MB
Database Size: 64k
Dynos:         1
Git URL:       git@heroku.com:weddoo.git
Owner:         postkhalid@yahoo.com
Repo Size:     11M
Slug Size:     11M
Stack:         bamboo-mri-1.9.2
Web URL:       http://weddoo.heroku.com/
Workers:       0
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1 Answer

  1. Editorial Team

    So based upon the heroku info that you provided I see that you are on the bamboo stack and that stack does not support Rails 3.1+. Only the cedar stack supports Rails 3.1+. You’ll need to use the following command to create a new app on the cedar stack:

    heroku create --stack cedar
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