Node.js 在Heroku上发现应用程序错误

我第一次在Heroku托管了我的应用程序。它在我的本地主机上工作，但当我在Heroku上托管它时，它会给出应用程序错误：应用程序中发生错误，无法提供您的页面。请稍后再试。如果您是应用程序所有者，请查看日志以了解详细信息。 我检查我的日志，日志是：

$ heroku logs --app peaceful-wildwood-9840
←[36m2014-06-08T18:48:05.660654+00:00 heroku[api]:←[0m Enable Logplex by aminayo
usuf_13@hotmail.com
←[36m2014-06-08T18:48:05.660736+00:00 heroku[api]:←[0m Release v2 created by ami
 nayousuf_13@hotmail.com
  ←[33m2014-06-08T18:49:27+00:00 heroku[slug-compiler]:←[0m Slug compilation start
  ed
 ←[36m2014-06-08T18:49:33.638541+00:00 heroku[api]:←[0m Deploy 2ab14e4 by aminayo
     usuf_13@hotmail.com
   ←[36m2014-06-08T18:49:33.511107+00:00 heroku[api]:←[0m Scale to web=1 by aminayo
   usuf_13@hotmail.com
   ←[36m2014-06-08T18:49:33.638621+00:00 heroku[api]:←[0m Release v3 created by ami
   nayousuf_13@hotmail.com
   ←[33m2014-06-08T18:49:33+00:00 heroku[slug-compiler]:←[0m Slug compilation finis
  hed
  ←[32m2014-06-08T18:49:36.203628+00:00 app[web.1]:←[0m Listening to Port : 3033..
  .  
  ←[32m2014-06-08T18:49:35.293036+00:00 heroku[web.1]:←[0m Starting process with c
   ommand `node server.js`
  ←[32m2014-06-08T18:50:37.170068+00:00 heroku[web.1]:←[0m State changed from star
  ting to crashed
  ←[32m2014-06-08T18:50:37.170632+00:00 heroku[web.1]:←[0m State changed from cras  
   hed to starting
   ←[32m2014-06-08T18:50:39.419734+00:00 app[web.1]:←[0m Listening to Port : 3033..
   .
  ←[32m2014-06-08T18:50:35.901399+00:00 heroku[web.1]:←[0m Error R10 (Boot timeout )
     -> Web process failed to bind to $PORT within 60 seconds of launch
  ←[32m2014-06-08T18:50:35.901708+00:00 heroku[web.1]:←[0m Stopping process with S  
   IGKILL
   ←[32m2014-06-08T18:50:37.165375+00:00 heroku[web.1]:←[0m Process exited with sta
    tus 137
   ←[32m2014-06-08T18:50:38.558505+00:00 heroku[web.1]:←[0m Starting process with c
    ommand `node server.js`
   ←[35m2014-06-08T18:51:20.593335+00:00 heroku[router]:←[0m at=error code=H20 desc
   ="App boot timeout" method=GET path=/ host=peaceful-wildwood-9840.herokuapp.com
    request_id=aabed091-9c41-4639-9069-c02f8dd71503 fwd="39.48.218.219" dyno= connec 
    t= service= status=503 bytes=
       ←[35m2014-06-08T18:51:32.899300+00:00 heroku[router]:←[0m at=error code=H20 desc
     ="App boot timeout" method=GET path=/ host=peaceful-wildwood-9840.herokuapp.com
      request_id=db181007-c7dd-47ba-a42f-91def32077df fwd="39.48.218.219" dyno= connec
     t= service= status=503 bytes=
      ←[32m2014-06-08T18:51:39.895529+00:00 heroku[web.1]:←[0m State changed from star  
     ting to crashed
     ←[35m2014-06-08T18:51:40.797283+00:00 heroku[router]:←[0m at=error code=H10 desc
     ="App crashed" method=GET path=/favicon.ico host=peaceful-wildwood-9840.herokuap
      p.com request_id=e63e5ee2-b04e-4b13-8e61-77d1f4f4600b fwd="39.48.218.219" dyno=   
      connect= service= status=503 bytes=
      ←[35m2014-06-08T18:51:40.926423+00:00 heroku[router]:←[0m at=error code=H10 desc
      ="App crashed" method=GET path=/ host=peaceful-wildwood-9840.herokuapp.com reque
      st_id=88b77ad4-7547-4b41-b6c8-b820a38284b5 fwd="39.48.218.219" dyno= connect= se
     rvice= status=503 bytes=
      ←[35m2014-06-08T18:51:42.930361+00:00 heroku[router]:←[0m at=error code=H10 desc
     ="App crashed" method=GET path=/favicon.ico host=peaceful-wildwood-9840.herokuap
     p.com request_id=010dcdf3-e68a-47bb-a821-6dd5613b14ce fwd="39.48.218.219" dyno=
      connect= service= status=503 bytes =
     ←[32m2014-06-08T18:51:39.887550+00:00 heroku[web.1]:←[0m Process exited with sta
     tus 137
    ←[32m2014-06-08T18:51:38.819255+00:00 heroku[web.1]:←[0m Error R10 (Boot timeout
     ) -> Web process failed to bind to $PORT within 60 seconds of launch
     ←[32m2014-06-08T18:51:38.819499+00:00 heroku[web.1]:←[0m Stopping process with S
       IGKILL
    ←[35m2014-06-08T18:51:52.977231+00:00 heroku[router]:←[0m at=error code=H10 desc
     ="App crashed" method=GET path=/favicon.ico host=peaceful-wildwood-9840.herokuap
     p.com request_id=2ea71012-34e4-4361-9e04-9a1ae91716fa fwd="39.48.218.219" dyno=
     connect= service= status=503 bytes=
     ←[35m2014-06-08T18:56:28.116367+00:00 heroku[router]:←[0m at=error code=H10 desc
     ="App crashed" method=GET path=/ host=peaceful-wildwood-9840.herokuapp.com reque
      st_id=597301b8-8be8-46f0-96a9-43bb5425395a fwd="39.48.218.219" dyno= connect= se
     rvice= status=503 bytes=

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你能把你的代码的监听部分贴出来吗？这可能与端口分配有关。检查可能的副本