Rails - Feb 2006 - Uninitialized constant ApplicationController?

Hello list,

I''m trying to start my Rails server after doing a long complex switch
from Postgres to MySQL, and I''m getting the following error:

=> Booting WEBrick...
/usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/dependencies.rb:200:in
`const_missing'': uninitialized constant ApplicationController
(NameError)
        from
script/../config/../vendor/plugins/user_engine/lib/user_engine.rb:74:in
`included''
        from ./script/../config/../app/helpers/application_helper.rb:5
        from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in
`require''
        from
/usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/dependencies.rb:214:in
`require''
        from
script/../config/../vendor/plugins/bundled_resource-0.9/init.rb:18:in
`load_plugin''
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/initializer.rb:311:in
`load_plugin''
        from
/usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/core_ext/kernel.rb:27:in
`silence_warnings''
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/initializer.rb:311:in
`load_plugin''
         ... 10 levels...
        from /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/server.rb:28


I''ve seen the ''Uninitialized constant ...'' message
before, but it''s
always been because of a simple typo on my part, or a version mismatch
somewhere.  I''m on Gentoo Linux, MySQL 5.0.18, Rails 1.0, current
versions of login_engine and user_engine, and that combination of
versions seems to be fine as far as I can tell.

Any suggestions where to look?

Thanks in advance

Dave M.

Mr Mitchell:
On Jan 31, 2006, at 5:03 PM, David Mitchell wrote:
> => Booting WEBrick...
> /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/ 
> dependencies.rb:200:in
> `const_missing'': uninitialized constant ApplicationController
Make sure the app/controllers/application.rb file exists.

Cheers,
Hasan Diwan <hasan.diwan@gmail.com>

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Thanks Hasan,

I checked that it is there, appears to be correct, but the problem is
still occurring.

Regards

Dave M.

On 02/02/06, Hasan Diwan <hasan.diwan@gmail.com>
wrote:
> Mr Mitchell:
> On Jan 31, 2006, at 5:03 PM, David Mitchell wrote:
> > => Booting WEBrick...
> > /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/
> > dependencies.rb:200:in
> > `const_missing'': uninitialized constant ApplicationController
>
> Make sure the app/controllers/application.rb file exists.
>
> Cheers,
> Hasan Diwan <hasan.diwan@gmail.com>
>
>
>
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