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PO"No such file or directory" error when deploying Rails app with Thin server on Heroku
 

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    <p>After attempting to switch my Rails app to thin server using <a href="http://devcenter.heroku.com/articles/rails3" rel="nofollow">these instructions</a>, I'm getting getting this error on <code>heroku logs</code> and my app won't start.</p> <pre><code>2012-03-12T17:00:46+00:00 heroku[web.1]: Starting process with command `bundle exec rails server thin -p 42557 -e production/production` 2012-03-12T17:00:56+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/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from &lt;top (required)&gt; at /app/config/environment.rb:5) 2012-03-12T17:00:56+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/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from &lt;top (required)&gt; at /app/config/environment.rb:5) 2012-03-12T17:00:56+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 2012-03-12T17:01:00+00:00 app[web.1]: =&gt; Booting Thin 2012-03-12T17:01:00+00:00 app[web.1]: =&gt; Rails 3.2.1 application starting in production on http://0.0.0.0:42557 2012-03-12T17:01:00+00:00 app[web.1]: =&gt; Call with -d to detach 2012-03-12T17:01:00+00:00 app[web.1]: =&gt; Ctrl-C to shutdown server 2012-03-12T17:01:00+00:00 app[web.1]: Exiting 2012-03-12T17:01:00+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/rack/log_tailer.rb:8:in `size': No such file or directory - log/production/production.log (Errno::ENOENT) 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/rack/log_tailer.rb:8:in `initialize' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:295:in `new' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:295:in `block in build_app' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:291:in `reverse_each' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:291:in `build_app' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:301:in `wrapped_app' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:252:in `start' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands/server.rb:70:in `start' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands.rb:55:in `block in &lt;top (required)&gt;' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands.rb:50:in `tap' 2012-03-12T17:01:00+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands.rb:50:in `&lt;top (required)&gt;' 2012-03-12T17:01:00+00:00 app[web.1]: from script/rails:6:in `require' 2012-03-12T17:01:00+00:00 app[web.1]: from script/rails:6:in `&lt;main&gt;' 2012-03-12T17:01:01+00:00 heroku[web.1]: Process exited with status 1 2012-03-12T17:01:01+00:00 heroku[web.1]: State changed from starting to crashed </code></pre> <p>The actual error that's breaking things seems to be:</p> <blockquote> <p>No such file or directory - log/production/production.log (Errno::ENOENT)</p> </blockquote> <p>What do I need to do to make this go away? I even manually added an empty file in <code>log/production/production.log</code> and removed log files from the <code>.gitignore</code> so that it would exist after pushing to Heroku, and I still get the error.</p> <p>If it helps, <a href="https://github.com/mikecrittenden/minutefavors" rel="nofollow">here's the repo for the site I'm working on</a>.</p>
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    1. COWhere are you configuring the logging of your application? Why is it `log/production/production.log` and not `log/production.log` like normal
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