无法打开 rails 控制台答案

【问题标题】：Unable to open the rails console无法打开 rails 控制台
【发布时间】：2013-09-16 20:16:40
【问题描述】：

无法打开rails控制台，抛出如下错误

$ rails c

/home/#/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/irb/completion.rb:9:in `require':   cannot load such file -- readline (LoadError)
from /home/#/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/irb/completion.rb:9:in `<top (required)>'
from /home/#/.rvm/gems/ruby-2.0.0-p0@aer-ui/gems/railties-3.2.13/lib/rails/commands/console.rb:3:in `require'
from /home/#/.rvm/gems/ruby-2.0.0-p0@aer-ui/gems/railties-3.2.13/lib/rails/commands/console.rb:3:in `<top (required)>'
from /home/#/.rvm/gems/ruby-2.0.0-p0@aer-ui/gems/railties-3.2.13/lib/rails/commands.rb:38:in `require'
from /home/#/.rvm/gems/ruby-2.0.0-p0@aer-ui/gems/railties-3.2.13/lib/rails/commands.rb:38:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'

【问题讨论】：

这是一个已知问题。试试stackoverflow.com/questions/4922700/…

标签： ruby-on-rails ruby ruby-on-rails-3

【解决方案1】：

编译 Ruby 时需要安装 readline 库。

关注此博客：

fixing-readline-for-the-ruby-on-rails-console

【讨论】：