I just got hit by this famous error again. And I am not the only one:

Now, I know I should put my patches where my mouth is. And that’s exactly what I’m trying to do here. My application is on the 1.2 branch, and I get this error if I have the Response Logger plugin loaded. Trying again with Edge Rails, I again get the error. If I try with WEBrick or Mongrel, same error. Loading the console produces the same error. Using Windows or Linux changes nothing: same error.

The exact backtrace is:

 1 $ ruby script\console
 2 Loading development environment.
 3 ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:249:in `load_missing_constant': Expected ./script/../config/../config/../vendor/plugins/response_logger/lib/response_logger.rb to define ResponseLogger (LoadError)
 4         from ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:452:in `const_missing'
 5         from ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:464:in `const_missing'
 6         from ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:260:in `load_missing_constant'
 7         from ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:452:in `const_missing'
 8         from ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:260:in `load_missing_constant'
 9         from ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:452:in `const_missing'
10         from ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:260:in `load_missing_constant'
11         from ./script/../config/../config/../vendor/rails/activerecord/lib/../../activesupport/lib/active_support/dependencies.rb:468:in `const_missing'
12          ... 14 levels...
13         from C:/ruby/lib/ruby/1.8/irb/init.rb:250:in `load_modules'
14         from C:/ruby/lib/ruby/1.8/irb/init.rb:21:in `setup'
15         from C:/ruby/lib/ruby/1.8/irb.rb:54:in `start'
16         from C:/ruby/bin/irb.bat:20

In this application, I am using Engines, along with LoginEngine. You really need the right version of Engines with the right version of Rails for things to work out well: Rails 1.2 requires Engines 1.2.


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I am François Beausoleil, a Ruby on Rails and Scala developer. During the day, I work on Seevibes, a platform to measure social interactions related to TV shows. At night, I am interested many things. Read my biography.

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