Rails not booting, nothing in the logs

I just moved a working copy of a rails 3 app from a test server开发者_开发百科 to a staging server.

I'm getting the standard error screen "We're sorry, but something went wrong."

However, my development.log file has nothing added to it (the migration logs went in fine).

I've doubled checked my settings, everything's fine.

If I make a dummy rails application it works as it should.

EDIT: I'm using Passenger on Ubuntu 10.10

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I was under the impression that "We're sorry, but something went wrong." was used in the default production environment. Are the messages being logged to production.log?

As a note, I believe Passenger will launch the application in the production environment by default (as opposed to development environment).