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January 8, 2008 at 11:37AM Is your Rails app giving the error “uninitialized constant ApplicationController::AuthenticatedSystem”?

If so, then you’re having problems with the acts_as_authenticated plugin. One of our customers here at work was having problems with this.

The first thing to do is to check if the plugin’s been installed. You can do this by checking the lib directory to make sure it contains the files authenticated_system.rb and authenticated_test_helper.rb, and the vendor directory to make sure it contains the acts_as_authenticated exists within it.

If they don’t, execute the following within your application’s root directory:

$ script/plugin install http://svn.techno-weenie.net/projects/plugins/acts_as_authenticated
$ script/generate authenticated user account

And answer ‘N’ to all the questions the second command asks.

You should make sure that you upload the lib and vendor folders with your app.

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Comments

1 On May 24, 2008 at 18:49, darren wrote:

thanks... I found my lib and vendor dirs were chmod wrong so when I was uploading the files weren’t getting put in, thus giving that error.

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