Heroku "We're sorry, but something went wrong" for a simple rails app -


this first time using heroku, don`t know errors mean. used rails , bootstrap create site (with links, no dynamic features).

 ←[36m2013-04-17t21:47:59.413491+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands.rb:50:in `<top (required)>'  ←[36m2013-04-17t21:47:59.413491+00:00 app[web.1]:←[0m   script/rails:6:in `require'  ←[36m2013-04-17t21:47:59.413491+00:00 app[web.1]:←[0m   script/rails:6:in `<main>'  ←[36m2013-04-17t21:47:59.413199+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands/server.rb:59:in `start'  ←[36m2013-04-17t21:47:59.419753+00:00 app[web.1]:←[0m exiting  ←[36m2013-04-17t21:48:00.637162+00:00 heroku[web.1]:←[0m process exited status 1  ←[36m2013-04-17t21:48:00.653135+00:00 heroku[web.1]:←[0m state changed starting crashed  ←[36m2013-04-17t21:48:04.188831+00:00 heroku[web.1]:←[0m error r12 (exit timeout) -> @ least 1 process failed exit within 10 seconds of sigterm  ←[36m2013-04-17t21:48:04.188831+00:00 heroku[web.1]:←[0m stopping remaining processes sigkill  ←[36m2013-04-17t21:48:06.652384+00:00 heroku[web.1]:←[0m process exited status 137  ←[33m2013-04-17t21:49:24.968073+00:00 heroku[router]:←[0m at=error code=h10 desc="app crashed" method=get path=/ host=nameless-peak-6062.herokuapp.com fwd="142.151.192.92" dyno= connect= service= status=503 bytes=  ←[33m2013-04-17t21:49:25.931067+00:00 heroku[router]:←[0m at=error code=h10 desc="app crashed" method=get path=/favicon.ico host=nameless-peak-6062.herokuapp.com fwd="142.151.192.92" dyno= connect= service= status=503 bytes=  ←[33m2013-04-17t21:49:26.628879+00:00 heroku[router]:←[0m at=error code=h10 desc="app crashed" method=get path=/favicon.ico host=nameless-peak-6062.herokuapp.com fwd="142.151.192.92" dyno= connect= service= status=503 bytes=  ←[33m2013-04-17t21:49:27.165454+00:00 heroku[router]:←[0m at=error code=h10 desc="app crashed" method=get path=/favicon.ico host=nameless-peak-6062.herokuapp.com fwd="142.151.192.92" dyno= connect= service= status=503 bytes=  ←[33m2013-04-17t21:49:27.135930+00:00 heroku[router]:←[0m at=error code=h10 desc="app crashed" method=get path=/favicon.ico host=nameless-peak-6062.herokuapp.com fwd="142.151.192.92" dyno= connect= service= status=503 bytes=  ←[33m2013-04-17t21:49:30.949503+00:00 heroku[router]:←[0m at=error code=h10 desc="app crashed" method=get path=/favicon.ico host=nameless-peak-6062.herokuapp.com fwd="142.151.192.92" dyno= connect= service= status=503 bytes=  ←[32m2013-04-17t21:56:36.018416+00:00 heroku[slugc]:←[0m slug compilation started  ←[35m2013-04-17t21:57:33.471063+00:00 heroku[api]:←[0m release v10 created john.yeung628@gmail.com  ←[35m2013-04-17t21:57:33.549837+00:00 heroku[api]:←[0m deploy bf28903 john.yeung628@gmail.com  ←[36m2013-04-17t21:57:33.644790+00:00 heroku[web.1]:←[0m state changed crashed starting  ←[32m2013-04-17t21:57:34.367363+00:00 heroku[slugc]:←[0m slug compilation finished  ←[36m2013-04-17t21:57:35.689891+00:00 heroku[web.1]:←[0m starting process command `bundle exec rails server thin -p 16004 -e $rack_env`  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler/thin.rb:1:in `require': cannot load such file -- thin (loaderror)  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler.rb:20:in `const_get'  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/server.rb:272:in `server'  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands/server.rb:59:in `start'  ←[36m2013-04-17t21:57:37.504825+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands.rb:50:in `tap'  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler/thin.rb:1:in `<top (required)>'  ←[36m2013-04-17t21:57:37.504825+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands.rb:50:in `<top (required)>'  ←[36m2013-04-17t21:57:37.504825+00:00 app[web.1]:←[0m   script/rails:6:in `<main>'  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler.rb:20:in `block in get'  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler.rb:20:in `get'  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.1/lib/rails/commands.rb:55:in `block in <top (required)>'  ←[36m2013-04-17t21:57:37.504825+00:00 app[web.1]:←[0m   script/rails:6:in `require'  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler.rb:20:in `each'  ←[36m2013-04-17t21:57:37.504415+00:00 app[web.1]:←[0m   /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler.rb:20:in `inject'  ←[36m2013-04-17t21:57:37.509475+00:00 app[web.1]:←[0m exiting

that quite indecipherable mess. far can tell line tells problem appears this:

9.1/gems/rack-1.4.5/lib/rack/handler/thin.rb:1:in `require': cannot load such fi le -- thin (loaderror)

have added thin :production group in gemfile?

group :production   gem 'thin' end

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