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我一直有困难与运行gem
命令与红宝石1.9.x和任何版本的rubygems。我一直在使用RVM来处理红宝石和RubyGems的所有安装,但我似乎无法找出问题所在:红宝石1.9.2宝石的使用问题
rvm use 1.8.7
Using /home/kelly/.rvm/gems/ruby-1.8.7-p352
which gem
/home/kelly/.rvm/rubies/ruby-1.8.7-p352/bin/gem
gem -v
1.8.10
gem install rails #success!
rvm use 1.9.2
Using /home/kelly/.rvm/gems/ruby-1.9.2-p290
which gem
/home/kelly/.rvm/rubies/ruby-1.9.2-p290/bin/gem
gem -v
1.8.10
gem install rails
ERROR: While executing gem ... (NoMethodError)
undefined method `each' for "http://rubygems.org":String
我运行一个64位的Ubuntu 11.04安装。任何指针?