当我尝试bundle exec cap production deploy --trace收到错误消息时:
deploy@h2540559:/www/apps/foodsoft$ bundle exec cap production deploy --trace
** Invoke production (first_time)
** Execute production
** Invoke load:defaults (first_time)
** Execute load:defaults
** Invoke rvm:hook (first_time)
** Execute rvm:hook
cap aborted!
NoMethodError: undefined method `on' for main:Object
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/capistrano-rvm-0.1.2/lib/capistrano/tasks/rvm.rake:17:in `block (2 levels) in <top (required)>'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:248:in `call'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:248:in `block in execute'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:243:in `each'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:243:in `execute'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:187:in `block in invoke_with_call_chain'
/usr/local/rvm/rubies/ruby-2.0.0-p643/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:180:in `invoke_with_call_chain'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:173:in `invoke'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/capistrano-3.2.1/lib/capistrano/dsl/task_enhancements.rb:12:in `block in after'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:248:in `call'
/usr/local/rvm/gems/ruby-2.0.0-p643/gems/rake-11.1.1/lib/rake/task.rb:248:in `block in …