如何定义正确的 Bundler 版本？ （Capistrano 部署问题）

Question

I'm currently trying to deploy my Rails application with Capistrano. I don't get any errors when I cap deploy but when I open the browser I see: "Your Gemfile.lock was generated by Bundler 0.10. You must delete it if you wish to use Bundler 0.9. (Bundler::GemfileError)"

I installed bundler on both machines, my local machine and the production box. I assume the latter uses a system wide gem that is of a different version. How do I define which version is the right one?

Some background:

Apache/Passenger, Rails 3.0.3, Capistrano 2.6.0, Bundler 1.0.15. The binary of the manually installed gem is found in /var/www/htdocs/web18/.gems/bin/bundle . I also added the following lines to my config/deploy.rb :

set :default_environment, {
  'GEM_HOME'    => '/var/www/htdocs/web18/.gems',
  'GEM_PATH'    => '/var/www/htdocs/web18/.gems',
  'BUNDLE_PATH' => '/var/www/htdocs/web18/.gems'
}

set :bundle_cmd, '/var/www/htdocs/web18/.gems/bin/bundle'

After deployment I see all Gems in /var/www/htdocs/web18/.gems/gems/

Any help is much appreciated

Answer 1

Consider deleting the Gemfile.lock and running bundle again to see if this works. Also, you should try to use RVM as well as being able to setup gemsets is a life saver at times like these.

If the above doesn't work do gem list and uninstall the older version of bundler if you find more than one on your system.