$ gem install rails failing。任何解决方法？

问题描述：

我有在OS X Lion的安装导轨由于某种原因，问题

...

RVM下安装...

$ gem install rails 
ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError) 
    bad response Forbidden 403 (http://production.cf.rubygems.org/gems/rdoc-3.12.gem) 

$ gem environment 
RubyGems Environment: 
    - RUBYGEMS VERSION: 1.8.12 
    - RUBY VERSION: 1.9.3 (2011-10-30 patchlevel 0) [x86_64-darwin11.2.0] 
    - INSTALLATION DIRECTORY: /Users/ethan/.rvm/gems/[email protected]_apps 
    - RUBY EXECUTABLE: /Users/ethan/.rvm/rubies/ruby-1.9.3-p0/bin/ruby 
    - EXECUTABLE DIRECTORY: /Users/ethan/.rvm/gems/[email protected]_apps/bin 
    - RUBYGEMS PLATFORMS: 
    - ruby 
    - x86_64-darwin-11 
    - GEM PATHS: 
    - /Users/ethan/.rvm/gems/[email protected]_apps 
    - /Users/ethan/.rvm/gems/[email protected] 
    - GEM CONFIGURATION: 
    - :update_sources => true 
    - :verbose => true 
    - :benchmark => false 
    - :backtrace => false 
    - :bulk_threshold => 1000 
    - :sources => ["http://gemcutter.org", "http://gems.rubyforge.org/", "http://gems.github.com"] 
    - "install" => "--no-rdoc --no-ri" 
    - "update" => "--no-rdoc --no-ri" 
    - REMOTE SOURCES: 
    - http://gemcutter.org 
    - http://gems.rubyforge.org/ 
    - http://gems.github.com

没有人见过这个？知道如何让它起作用？

答

其实，它似乎在我的系统上专门挂在rdoc上。于是我下载了宝石到我的桌面，并与...

$ gem install --local ~/Desktop/rdoc-3.12.gem

然后Rails的安装能后完成安装。

答

看起来像rubygems服务器的临时问题。
我现在有麻烦更新我的宝石。
只需几分钟到几小时之后再试一次。

$ gem install rails failing。任何解决方法？

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