问题1:
in 'to_specs': Could not find 'bundler' (1.17.2) required by your Gemfile.lock. (Gem::MissingSpecVersionError)
方案:
gem install bundler:1.17.1
问题2:
Could not find public_suffix-4.0.3 in any of the sources (Bundler::GemNotFound)
方案:
bundle update
问题3:
in `block in materialize': Could not find concurrent-ruby-1.1.3 in any of the sources (Bundler::GemNotFound)
方案:
bundle update
问题4:
in 'require': cannot load such file -- webrick (LoadError)
方案:
bundle add webrick