https://ruby-china.org/plqa en-us <p>$ gem install rails </p> <p>ERROR: Error installing rails: invalid gem: package is corrupt, exception while verifying: undefined method `size' for nil:NilClass (NoMethodError) in /var/lib/gems/2.3.0/cache/nokogiri-1.8.0.gem</p> <p>安装 rails 后报错，请高手指点下问题。</p> plqa Sat, 05 Aug 2017 22:12:11 +0800 https://ruby-china.org/topics/33742 https://ruby-china.org/topics/33742