失败并出现以下日志错误：
2011-11-28T22:23:21+00:00 app[web.1]: /app/config/application.rb:84:in `<class:Application>': undefined method `full_gem_path' for nil:NilClass (NoMethodError)
2011-11-28T22:23:21+00:00 app[web.1]: from /app/config/application.rb:30:in `<module:Rails3MongoidOmniauthSimple>'
2011-11-28T22:23:21+00:00 app[web.1]: from /app/config/application.rb:29:in `<top (required)>'
2011-11-28T22:23:21+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.3/lib/rails/commands.rb:52:in `require'
2011-11-28T22:23:21+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.3/lib/rails/commands.rb:52:in `block in <top (required)>'
2011-11-28T22:23:21+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.3/lib/rails/commands.rb:49:in `tap'
2011-11-28T22:23:21+00:00 app[web.1]: from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.1.3/lib/rails/commands.rb:49:in `<top (required)>'
2011-11-28T22:23:21+00:00 app[web.1]: from script/rails:6:in `require'
2011-11-28T22:23:21+00:00 app[web.1]: from script/rails:6:in `<main>'
2011-11-28T22:23:22+00:00 heroku[web.1]: State changed from starting to crashed
2011-11-28T22:23:24+00:00 heroku[router]: Error H10 (App crashed) -> GET gitwatcher.com/ dyno= queue= wait= service= status=503 bytes=
......任何想法？
答案 0 :(得分：1)
在第84行检查/app/config/application.rb。
您正在使用未定义的方法。机会是在某些gem中定义的，在生产环境中不可用。