ubuntu 12.04にレールをインストールしています。この方法を使用して手動でインストールしました: Ubuntu 12.04にruby 2.0.0を正しくインストールするにはどうすればよいですか?
それから:
gem update --system
gem install rails
コマンド「rails」を実行すると、出力は次のようになります。
/usr/local/lib/ruby/site_ruby/2.0.0/rubygems/dependency.rb:298:in `to_specs': Could not find 'thread_safe' (~> 0.1) - did find: [thread_safe-0.1.2-java] (Gem::LoadError)
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1265:in `block in activate_dependencies'
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1254:in `each'
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1254:in `activate_dependencies'
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1236:in `activate'
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1268:in `block in activate_dependencies'
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1254:in `each'
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1254:in `activate_dependencies'
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb:1236:in `activate'
from /usr/local/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_gem.rb:48:in `gem'
from /usr/local/bin/rails:22:in `<main>'
編集:
はい、試しました:
gem install --version 0.1.2 thread_safe
gem uninstall thread_safe
gem install thread_safe
thread_safe rails を再インストールした後、同じエラーが発生しました