Ruby on rails 在轨道上安装juggernaut时出错。juggernaut-g juggernaut.yml

我按照说明在rails中创建了一个基本的juggernaut聊天，但是在运行

juggernaut-g juggernaut.yml之前的所有步骤时，我都遇到了以下错误。任何帮助都将不胜感激

MacPro:simplechat fred$ juggernaut -g juggernaut.yml
/Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/lib/juggernaut/server.rb:128: warning: else without rescue is useless
/Users/fred/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:54:in `require': /Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/lib/juggernaut/server.rb:122: syntax error, unexpected ':', expecting keyword_then or ',' or ';' or '\n' (SyntaxError)
        when :broadcast: broadcast_command
                        ^
/Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/lib/juggernaut/server.rb:363: syntax error, unexpected keyword_end, expecting $end
    from /Users/fred/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:54:in `require'
    from /Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/lib/juggernaut.rb:157:in `<top (required)>'
    from /Users/fred/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:54:in `require'
    from /Users/fred/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:54:in `require'
    from /Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/bin/juggernaut:3:in `<top (required)>'
    from /Users/fred/.rvm/gems/ruby-1.9.2-p180/bin/juggernaut:19:in `load'
    from /Users/fred/.rvm/gems/ruby-1.9.2-p180/bin/juggernaut:19:in `<main>'

MacPro:simplechat fred$juggernaut-g juggernaut.yml
/Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/lib/juggernaut/server.rb:128：警告：否则没有救援就没有用
/Users/fred/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_-ruby/1.9.1/rubygems/custom_-require.rb:54:in'require'：/Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/lib/juggernaut/server或“\n”（语法错误）
时间：广播：广播命令
^
/Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/lib/juggernaut/server.rb:363:语法错误，意外关键字\u end，应为$end
from/Users/fred/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site\u ruby/1.9.1/rubygems/custom\u require.rb:54:in'require'
from/Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/lib/juggernaut.rb:157:in`'
from/Users/fred/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site\u ruby/1.9.1/rubygems/custom\u require.rb:54:in'require'
from/Users/fred/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site\u ruby/1.9.1/rubygems/custom\u require.rb:54:in'require'
from/Users/fred/.rvm/gems/ruby-1.9.2-p180/gems/maccman-juggernaut-0.5.9/bin/juggernaut:3:in`'
from/Users/fred/.rvm/gems/ruby-1.9.2-p180/bin/juggernaut:19:in'load'
from/Users/fred/.rvm/gems/ruby-1.9.2-p180/bin/juggernaut:19:in`'