Knowledgebase: Ruby on Rails
I get a 'Rails application failed to start properly' error. What does this mean?
Posted by Pacific Host on 04 December 2011 04:56 PM

This means there was a critical failure somewhere in your Rails application. Information about this error can be found in one of two places:

  • The Error Log section of your control panel
    RAILS_APP/log/
  • The log directory for your rails application
Most commonly, there is more useful information in the rails log directory. There are several files in there depending on the mode you are in. If you're using the FastCGI wrapper, you'll want the fastcgi.crash.log. If you're using the regular CGI, it's one of the other logs, depending on the mode you're in. Common errors are incorrect database settings and bugs in your code.

It's recommended that you use the regular CGI for the application, rather than FastCGI, during development. FastCGI often takes some time to show the error page when something fails, so the CGI can give you faster responses to your code changes.
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