/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/task.rb:22:in `send'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/task.rb:22:in `run'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/invocation.rb:118:in `invoke_task'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `invoke_all'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/shell.rb:14:in `map'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/core_ext/ordered_hash.rb:73:in `each'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `map'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/invocation.rb:124:in `invoke_all'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/group.rb:226:in `dispatch'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/thor-0.14.6/lib/thor/base.rb:389:in `start'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/railties-3.1.3/lib/rails/generators.rb:168:in `invoke'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/railties-3.1.3/lib/rails/commands/generate.rb:12
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `load_dependency'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:640:in `new_constants_in'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `load_dependency'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
/Users/sxu/.rvm/gems/ruby-1.8.7-p352@rails3/gems/railties-3.1.3/lib/rails/commands.rb:28
script/rails:6:in `require'
script/rails:6