更新rubygems后Ruby on Rails错误：“找不到gems []> = 0”

Question

I just installed Ruby on Rails, and while trying to follow this tutorial I kept running into a warning telling me to update rubygems and then run gem pristine --all . I updated using sudo gem install rubygems-update and tried running gem pristine --all , which resulted in the following error:

ERROR:  While executing gem ... (Gem::Exception)
    Failed to find gems [] >= 0

I also tried running bin/rails server on a blog application and I got the following error:

/usr/local/lib/site_ruby/1.9.1/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- bundler (LoadError)
    from /usr/local/lib/site_ruby/1.9.1/rubygems/core_ext/kernel_require.rb:55:in `require'
    from /home/mariana/Documents/RD-anagram/rails-test/blog/bin/spring:8:in `<top (required)>'
    from bin/rails:3:in `load'
    from bin/rails:3:in `<main>'

I also cannot run rails --version , because I get this error:

/usr/local/lib/site_ruby/1.9.1/rubygems/dependency.rb:319:in `to_specs': Could not find 'railties' (>= 0) among 0 total gem(s) (Gem::LoadError)
Checked in 'GEM_PATH=/home/mariana/.gem/ruby/1.9.1:/usr/lib/ruby/gems/1.9.1', execute `gem env` for more information
    from /usr/local/lib/site_ruby/1.9.1/rubygems/dependency.rb:328:in `to_spec'
    from /usr/local/lib/site_ruby/1.9.1/rubygems/core_ext/kernel_gem.rb:65:in `gem'
    from /usr/local/bin/rails:22:in `<main>'

Does anyone know how to solve this? Did I do something wrong?

Answer 1

Looks like you have the bundler gem missing.

Do:-

gem install rails    
[sudo] gem install bundler
bundle install
gem install railties

If the above code doesnt work, you can do a rvm implode to reinstall rvm. Note that the command recursively delete all rvm environments.