rails服务器启动时出现问题

Question

当我尝试启动我的rails应用程序时。它开始的网页没有加载。有人知道原因，请告诉我如何解决这个问题

Error in browser:

Application error
Change this error message for exceptions thrown outside of an action (like in Dispatcher setups or broken Ruby code) in public/500.html

Error in log:

=> Booting WEBrick...
[2011-05-27 14:11:08] INFO  WEBrick 1.3.1
[2011-05-27 14:11:08] INFO  ruby 1.8.7 (2008-08-11) [i686-linux]
[2011-05-27 14:11:08] INFO  WEBrick::HTTPServer#start: pid=13827 port=3001
=> Rails application started on http://0.0.0.0:3001
=> Ctrl-C to shutdown server; call with --help for options
127.0.0.1 - - [27/May/2011:14:11:10 IST] "GET / HTTP/1.1" 500 309
- -> /

Answer 1

日志文件log/development.log说什么？可能是Ruby版本存在问题，缺少Ruby gem或数据库。