この警告を取り除く方法、または修正する方法を教えてください。警告:builder-2.1.2は、@cert_chainに無効なnil値を持っています
gem install rails --version=3.0.10
Fetching: activesupport-3.0.10.gem (100%)
Fetching: builder-2.1.2.gem (100%)
WARNING: builder-2.1.2 has an invalid nil value for @cert_chain
Fetching: i18n-0.5.0.gem (100%)
Fetching: activemodel-3.0.10.gem (100%)
Fetching: rack-1.2.4.gem (100%)
Fetching: rack-test-0.5.7.gem (100%)
Fetching: rack-mount-0.6.14.gem (100%)
Fetching: abstract-1.0.0.gem (100%)
WARNING: abstract-1.0.0 has an invalid nil value for @cert_chain
Fetching: erubis-2.6.6.gem (100%)
Fetching: actionpack-3.0.10.gem (100%)
http://stackoverflow.com/questions/5520333/rails-3-install-error-invalid-value-for-cert-chainを参照してください。動作させるには、Rubygems 1.6.2にダウングレードしてください。 –