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我从 github 下载了一个 rails 示例应用程序，但它没有 GemFile，我怎样才能让它运行？我试过rake gems:install了，得到了以下错误。我不知道为什么，有人可以帮忙吗？非常感谢！

NOTE: Gem.source_index is deprecated, use Specification. It will be removed on or after 2011-11-01.
Gem.source_index called from G:/Desktop/20090319-/Rails Examples/showchart/vendor/rails/railties/lib/rails/gem_dependency.rb:21.
...
NOTE: Gem::SourceIndex#add_spec is deprecated, use Specification.add_spec. It will be removed on or after 2011-11-01.
Gem::SourceIndex#add_spec called from C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/source_index.rb:91.
WARNING: 'require 'rake/rdoctask'' is deprecated.  Please use 'require 'rdoc/task' (in RDoc 2.4.2+)' instead.
    at C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/rdoctask.rb
DEPRECATION WARNING: Rake tasks in vendor/plugins/gemsonrails/tasks, vendor/plugins/gemsonrails/tasks, vendor/plugins/gemsonrails/tasks, vendor/plugins/gemsonrails/tasks, and vendor/plugins/open_flash_chart/tasks are deprecated. Use lib/tasks instead. (called from <top (required)> at G:/Desktop/20090319-/Rails Examples/showchart/vendor/rails/railties/lib/tasks/rails.rb:10)
** Invoke gems:install (first_time)
** Invoke gems:base (first_time)
** Execute gems:base
** Invoke environment (first_time)
** Execute environment
rake aborted!
undefined method `name' for "RedCloth":String
G:/Desktop/20090319-/Rails Examples/showchart/vendor/rails/railties/lib/rails/gem_dependency.rb:277:in `=='
C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:217:in `==='
C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:217:in `block in matching_specs'
C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:410:in `block in each'
C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:409:in `each'
....
C:/Ruby192/bin/rake:19:in `load'
C:/Ruby192/bin/rake:19:in `<main>'
Tasks: TOP => environment
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1 回答 1

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只需从新的 Rails 应用程序复制/粘贴 Gemfile，然后启动应用程序并尝试找出丢失的 gem... :-S

于 2011-12-30T15:30:07.140 回答