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POsimple Heroku + Rails 4 app crashing
 

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    <p>I am at the end of Chapter 2 of <a href="http://ruby.railstutorial.org/chapters/a-demo-app?version=4.0#sec-deploying_the_demo_app" rel="nofollow">Hartl's Rails Tutorial</a> the app works locally but I can't get it to deploy.</p> <p><a href="http://quiet-ocean-3277.herokuapp.com/" rel="nofollow">http://quiet-ocean-3277.herokuapp.com/</a></p> <pre class="lang-default prettyprint-override"><code>$ git push heroku master Counting objects: 3, done. Delta compression using up to 2 threads. Compressing objects: 100% (2/2), done. Writing objects: 100% (2/2), 253 bytes, done. Total 2 (delta 1), reused 0 (delta 0) -----&gt; Ruby/Rails app detected -----&gt; Using Ruby version: ruby-1.9.3 -----&gt; Installing dependencies using Bundler version 1.3.2 Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin --deployment Using rake (10.1.0) Using i18n (0.6.4) Using minitest (4.7.5) Using multi_json (1.7.7) Using atomic (1.1.10) Using thread_safe (0.1.0) Using tzinfo (0.3.37) Using activesupport (4.0.0) Using builder (3.1.4) Using erubis (2.7.0) Using rack (1.5.2) Using rack-test (0.6.2) Using actionpack (4.0.0) Using mime-types (1.23) Using polyglot (0.3.3) Using treetop (1.4.14) Using mail (2.5.4) Using actionmailer (4.0.0) Using activemodel (4.0.0) Using activerecord-deprecated_finders (1.0.3) Using arel (4.0.0) Using activerecord (4.0.0) Using coffee-script-source (1.6.3) Using execjs (1.4.0) Using coffee-script (2.2.0) Using thor (0.18.1) Using railties (4.0.0) Using coffee-rails (4.0.0) Using hike (1.2.3) Using jbuilder (1.0.2) Using jquery-rails (2.2.1) Using json (1.8.0) Using pg (0.15.1) Using bundler (1.3.2) Using tilt (1.4.1) Using sprockets (2.10.0) Using sprockets-rails (2.0.0) Using rails (4.0.0) Using rails_serve_static_assets (0.0.1) Using rails_stdout_logging (0.0.1) Using rails_12factor (0.0.2) Using rdoc (3.12.2) Using sass (3.2.9) Using sass-rails (4.0.0) Using sdoc (0.3.20) Using turbolinks (1.1.1) Using uglifier (2.1.1) Your bundle is complete! It was installed into ./vendor/bundle Cleaning up the bundler cache. -----&gt; Writing config/database.yml to read from DATABASE_URL -----&gt; Preparing app for Rails asset pipeline Running: rake assets:precompile Asset precompilation completed (7.52s) Cleaning assets -----&gt; WARNINGS: You have not declared a Ruby version in your Gemfile. To set your Ruby version add this line to your Gemfile: ruby '1.9.3' # See https://devcenter.heroku.com/articles/ruby-versions for more information." -----&gt; Discovering process types Procfile declares types -&gt; (none) Default types for Ruby/Rails -&gt; console, rake, web, worker -----&gt; Compiled slug size: 20.0MB -----&gt; Launching... done, v8 http://quiet-ocean-3277.herokuapp.com deployed to Heroku To git@heroku.com:quiet-ocean-3277.git 2d25f33..322b9e4 master -&gt; master </code></pre> <p>All looks good except the app crashes. In the logs:</p> <pre class="lang-default prettyprint-override"><code>2013-07-17T23:56:21.430674+00:00 heroku[web.1]: State changed from starting to crashed 2013-07-18T00:00:36.148404+00:00 heroku[web.1]: State changed from crashed to starting 2013-07-18T00:00:39.933663+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 40617 -e $RAILS_ENV` 2013-07-18T00:00:41.477904+00:00 app[web.1]: /usr/bin/env: ruby1.9.1: No such file or directory 2013-07-18T00:00:42.674144+00:00 heroku[web.1]: Process exited with status 127 </code></pre> <p><strong>Why is it calling Ruby 1.9.1 and crashing ?</strong> Here's the gemfile:</p> <pre class="lang-rb prettyprint-override"><code>source 'https://rubygems.org' #ruby '1.9.3' #ruby-gemset=railstutorial_rails_4_0 gem 'rails', '4.0.0' group :development do gem 'sqlite3', '1.3.7' end gem 'sass-rails', '4.0.0' gem 'uglifier', '2.1.1' gem 'coffee-rails', '4.0.0' gem 'jquery-rails', '2.2.1' gem 'turbolinks', '1.1.1' gem 'jbuilder', '1.0.2' group :doc do gem 'sdoc', '0.3.20', require: false end group :production do gem 'pg', '0.15.1' gem 'rails_12factor', '0.0.2' end </code></pre>
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