routes.rb:

ActionController::Routing::Routes.draw do |map|

  map.resources :users
  map.resources :courses
  map.resources :course_instances

  map.resource :session


  map.namespace(:admin) do |admin|
    admin.recources :users
  end

  map.login "/login", :controller=>:users, :action=>:index
  map.logout "/logout", :controller=>:sessions, :action=>:destroy

  map.root :controller => :courses
end






kheldysh@kheldysh-laptop:~/rails/ilmo2$ rake routes --trace
(in /home/kheldysh/rails/ilmo2)
** Invoke routes (first_time)
** Invoke environment (first_time)
** Execute environment
rake aborted!
undefined method `[]' for :users:Symbol
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/builder.rb:159:in `build'
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:309:in `add_route'
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:317:in `add_named_route'
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:57:in `method_missing'
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/option_merger.rb:20:in `__send__'
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/option_merger.rb:20:in `method_missing'
/home/kheldysh/rails/ilmo2/config/routes.rb:12
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/core_ext/object/misc.rb:78:in `with_options'
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:51:in `namespace'
/home/kheldysh/rails/ilmo2/config/routes.rb:11
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:226:in `draw'
/home/kheldysh/rails/ilmo2/config/routes.rb:1
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/dependencies.rb:145:in `load_without_new_constant_marking'
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/dependencies.rb:145:in `load'
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/dependencies.rb:521:in `new_constants_in'
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/dependencies.rb:145:in `load'
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:286:in `load_routes!'
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:286:in `each'
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:286:in `load_routes!'
/home/kheldysh/rails/ilmo2/vendor/rails/actionpack/lib/action_controller/routing/route_set.rb:266:in `reload!'
/home/kheldysh/rails/ilmo2/config/../vendor/rails/railties/lib/initializer.rb:537:in `initialize_routing'
/home/kheldysh/rails/ilmo2/config/../vendor/rails/railties/lib/initializer.rb:188:in `process'
/home/kheldysh/rails/ilmo2/config/../vendor/rails/railties/lib/initializer.rb:113:in `send'
/home/kheldysh/rails/ilmo2/config/../vendor/rails/railties/lib/initializer.rb:113:in `run'
/home/kheldysh/rails/ilmo2/config/environment.rb:9
/usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
/usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/dependencies.rb:156:in `require'
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/dependencies.rb:521:in `new_constants_in'
/home/kheldysh/rails/ilmo2/vendor/rails/activesupport/lib/active_support/dependencies.rb:156:in `require'
/home/kheldysh/rails/ilmo2/vendor/rails/railties/lib/tasks/misc.rake:4
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:607:in `invoke_prerequisites'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `each'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `invoke_prerequisites'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:596:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31
/var/lib/gems/1.8/bin/rake:19:in `load'
/var/lib/gems/1.8/bin/rake:19