虽然阅读了很多关于这个问题的文章，但我仍然无法解决这些错误，这是heroku日志的一部分，如果信息较少，我会更新red mine源代码的其他代码。
2012-11-05T14:02:54+00:00 app[web.1]: Plugins in vendor/plugins (/app/vendor/plugins) are no longer allowed. Please, put your Redmine plugins in the `plugins` directory at the root of your Redmine directory (/app/plugins)
2012-11-05T14:02:54+00:00 app[web.1]: => Booting WEBrick
2012-11-05T14:02:54+00:00 app[web.1]: => Rails 3.2.8 application starting in production on http://0.0.0.0:40115
2012-11-05T14:02:54+00:00 app[web.1]: => Call with -d to detach
2012-11-05T14:02:54+00:00 app[web.1]: => Ctrl-C to shutdown server
2012-11-05T14:02:54+00:00 app[web.1]: Exiting
2012-11-05T14:02:55+00:00 heroku[web.1]: Process exited with status 1
2012-11-05T14:02:55+00:00 heroku[web.1]: State changed from starting to crashed
2012-11-05T14:02:56+00:00 heroku[router]: Error H10 (App crashed) -> GET ceciits.herokuapp.com/ dyno= queue= wait= service= status=503 bytes=
2012-11-05T14:06:04+00:00 heroku[web.1]: State changed from crashed to down
2012-11-05T14:06:04+00:00 heroku[web.1]: Unidling
2012-11-05T14:06:04+00:00 heroku[web.1]: State changed from down to starting
2012-11-05T14:06:07+00:00 heroku[web.1]: Starting process with command `bundle exec rails server -p 3103`
2012-11-05T14:06:12+00:00 app[web.1]: Plugins in vendor/plugins (/app/vendor/plugins) are no longer allowed. Please, put your Redmine plugins in the `plugins` directory at the root of your Redmine directory (/app/plugins)
2012-11-05T14:06:12+00:00 app[web.1]: => Booting WEBrick
2012-11-05T14:06:12+00:00 app[web.1]: => Rails 3.2.8 application starting in production on http://0.0.0.0:3103
2012-11-05T14:06:12+00:00 app[web.1]: => Call with -d to detach
2012-11-05T14:06:12+00:00 app[web.1]: => Ctrl -C to shutdown server
2012-11-05T14:06:12+00:00 app[web.1]: Exiting
2012-11-05T14:06:13+00:00 heroku[web.1]: Process exited with status 1
2012-11-05T14:06:13+00:00 heroku[web.1]: State changed from starting to crashed
我无法弄清楚导致应用程序实际崩溃的原因在哪里，谢谢您的回答...