我使用 Ruby 2.2.2 与 Rails 4.2 当我尝试运行任何rake任务时，我有这个错误消息 这是为什么？我该怎么办？
错误消息
rake aborted!
LoadError: libncursesw.so.5: cannot open shared object file: No such file or directory - /home/adham/.rbenv/versions/2.2.2/lib/ruby/2.2.0/x86_64-linux/readline.so
/home/adham/.gem/ruby/2.2.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:76:in `require'
/home/adham/.gem/ruby/2.2.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
/home/adham/.gem/ruby/2.2.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:72:in `each'
/home/adham/.gem/ruby/2.2.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:72:in `block in require'
/home/adham/.gem/ruby/2.2.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:61:in `each'
/home/adham/.gem/ruby/2.2.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:61:in `require'
/home/adham/.gem/ruby/2.2.0/gems/bundler-1.10.6/lib/bundler.rb:134:in `require'
/home/code/kahareb/config/application.rb:7:in `<top (required)>'
/home/code/kahareb/Rakefile:4:in `<top (required)>'
(See full trace by running task with --trace)
答案 0 :(得分：6)
我在上次Arch Linux更新后尝试运行rails console时遇到了同样的错误消息，我解决了重新安装ruby的问题（使用rvm）。请尝试以下方法：
$ rvm reinstall 2.2.2