error with log4r?

I get the following 'undefined method' error with I use log4r (see
below). I verified that the gem installed properly. Any ideas?

Chirag

NoMethodError in Raw data filesController#new

undefined method `outputters=' for #<Logger:0x4eb65b4>

RAILS_ROOT: ./script/../config/..
Application Trace | Framework Trace | Full Trace

#{RAILS_ROOT}/app/controllers/raw_data_files_controller.rb:20:in
`halo_log4r'
#{RAILS_ROOT}/app/controllers/raw_data_files_controller.rb:54:in `new'