r3@r3:~/apps/ex1$ rails c




/home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activerecord-3.0.0/lib/active_record/base.rb:1016:in `method_missing': undefined method `instance' for #<Class:0x9595f0c> (NoMethodError)
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activemodel-3.0.0/lib/active_model/observing.rb:66:in `instantiate_observer'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activemodel-3.0.0/lib/active_model/observing.rb:39:in `block in instantiate_observers'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activemodel-3.0.0/lib/active_model/observing.rb:39:in `each'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activemodel-3.0.0/lib/active_model/observing.rb:39:in `instantiate_observers'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activerecord-3.0.0/lib/active_record/railtie.rb:83:in `block (2 levels) in <class:Railtie>'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:26:in `on_load'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activerecord-3.0.0/lib/active_record/railtie.rb:82:in `block in <class:Railtie>'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:34:in `call'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:34:in `execute_hook'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:42:in `each'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/application/finisher.rb:46:in `block in <module:Finisher>'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:25:in `instance_exec'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:25:in `run'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:50:in `block in run_initializers'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:49:in `each'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:49:in `run_initializers'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/application.rb:134:in `initialize!'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/application.rb:77:in `method_missing'
	from /home/r3/apps/ex1/config/environment.rb:5:in `<top (required)>'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/application.rb:103:in `require_environment!'
	from /home/r3/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/commands.rb:22:in `<top (required)>'
	from script/rails:6:in `require'
	from script/rails:6:in `<main>'
r3@r3:~/apps/ex1$