将Rails应用程序部署到heroku错误(sqlite3 3->Postgresql)？

Question

当我在heroku上向我的rails应用程序部署一些更改时，我突然得到了一个“应用程序错误”。也不知道为什么，我也找不到合适的解决办法。

以下是日志：

   2012-10-22T20:05:26+00:00 heroku[slugc]: Slug compilation started
   2012-10-22T20:06:54+00:00 heroku[web.1]: State changed from up to starting
   2012-10-22T20:06:54+00:00 heroku[slugc]: Slug compilation finished
   2012-10-22T20:06:56+00:00 heroku[web.1]: Starting process with command `bundle e
   xec rails server -p 28612`
   2012-10-22T20:06:56+00:00 heroku[web.1]: Stopping all processes with SIGTERM
   2012-10-22T20:06:57+00:00 app[web.1]:   /usr/local/lib/ruby/1.9.1/webrick/server
   .rb:90:in `select'
   2012-10-22T20:06:57+00:00 app[web.1]: [2012-10-22 20:06:57] ERROR SignalExceptio
   n: SIGTERM
   2012-10-22T20:07:06+00:00 heroku[web.1]: Stopping remaining processes with SIGKI
   LL
   2012-10-22T20:07:06+00:00 heroku[web.1]: Error R12 (Exit timeout) -> At least on
   e process failed to exit within 10 seconds of SIGTERM
   2012-10-22T20:07:08+00:00 heroku[web.1]: Process exited with status 137
   2012-10-22T20:07:57+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process
   failed to bind to $PORT within 60 seconds of launch
   2012-10-22T20:07:57+00:00 heroku[web.1]: Stopping process with SIGKILL
   2012-10-22T20:07:58+00:00 heroku[web.1]: State changed from starting to crashed
   2012-10-22T20:07:58+00:00 heroku[web.1]: State changed from crashed to starting
   2012-10-22T20:07:58+00:00 heroku[web.1]: Process exited with status 137
   2012-10-22T20:08:01+00:00 heroku[web.1]: Starting process with command `bundle e
   xec rails server -p 26859`
   2012-10-22T20:09:01+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process
   failed to bind to $PORT within 60 seconds of launch
   2012-10-22T20:09:01+00:00 heroku[web.1]: Stopping process with SIGKILL
   2012-10-22T20:09:02+00:00 heroku[web.1]: Process exited with status 137
   2012-10-22T20:09:02+00:00 heroku[web.1]: State changed from starting to crashed
   2012-10-22T20:09:27+00:00 heroku[router]: Error H10 (App crashed) -> GET www.thr
   illengine.com/ dyno= queue= wait= service= status=503 bytes=`

在开发过程中，它工作得很好。

更新：

40分钟后，一切都恢复正常和正常工作。奇怪，考虑到我什么都没做。还有其他人经历过类似的事情吗？

Answer 1

1. 创业板文件有pg创业板吗？
2. 你在生产数据库上迁移数据库了吗？
3. 部署会出现错误吗？