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我正在尝试遵循 Michael Hartl 的 rails 教程，但是每当我发出 rails server 命令时，都会返回以下错误。任何帮助将非常感激。

C:\Users\Justin\Documents\rails_projects\first_app>rails server
C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requirement.rb:81:
in `parse': Illformed requirement ["2.0.0."] (ArgumentError)
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:106:in `block in initialize'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:106:in `map!'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:106:in `initialize'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:44:in `new'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:44:in `create'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/depen
dency.rb:50:in `initialize'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dependency.rb:28:in `initialize'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dsl.rb:58:in `new'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dsl.rb:58:in `gem'
        from C:/Users/Justin/Documents/rails_projects/first_app/Gemfile:25:in `e
valuate'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dsl.rb:7:in `instance_eval'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dsl.rb:7:in `evaluate'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/definition.rb:17:in `build'
        from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
4

1 回答 1

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格式错误的 gemfile 是正确的，添加了一个额外的 . 在版本“2.0.0”之后。

于 2012-07-02T11:22:44.257 回答