LoadError：libncursesw.so.5：无法打开共享对象文件：没有这样的文件或目录

Question

我正在使用 Ruby 2.2.2 和 Rails 4.2 当我尝试运行任何 rake 任务时，我收到此错误消息 这是为什么？我该怎么办？

• Ruby 2.2.2
• Rails 4.2
• rbenv
• Arch Linux
• PostgreSQL 数据库

错误信息

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)

Answer 1

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，我通过重新安装 ruby​​（使用 rvm）解决了它。请尝试以下操作：

$ rvm reinstall 2.2.2