-jailshell-3.00$ ruby script/server
=> Booting WEBrick...
./script/../config/../vendor/plugins/engines/lib/engines.rb:138:in `start_engine': undefined method `add_path' for Controllers:Module (NoMethodError)
        from ./script/../config/../vendor/plugins/engines/lib/engines.rb:99:in `start'
        from ./script/../config/../vendor/plugins/engines/lib/engines.rb:98:in `start'
        from ./script/../config/../config/environment.rb:57
        from /usr/lib/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
        from ./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:147:in `require'
        from ./script/../config/../vendor/rails/railties/lib/commands/servers/webrick.rb:52
        from /usr/lib/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
        from ./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:147:in `require'
        from ./script/../config/../vendor/rails/railties/lib/commands/server.rb:30
        from script/server:3