耙子中止！您已经激活了 rake 10.0.2，但是您的 Gemfile 需要 rake 0.9.2.2 [英] rake aborted! You have already activated rake 10.0.2, but your Gemfile requires rake 0.9.2.2

问题描述

我正在尝试执行rake db:migrate"，但它给了我这个错误.

I am trying to do "rake db:migrate" and it is giving me this error.

Andy:AcademyAir Andy$ rake db:migrate
/Users/Andy/.rvm/gems/ruby-1.9.2-p290/gems/bundler-1.2.2/lib/bundler/runtime.rb:197: warning: Insecure world writable dir /usr in PATH, mode 040777
rake aborted!
You have already activated rake 10.0.2, but your Gemfile requires rake 0.9.2.2. Using bundle exec may solve this.
/Users/Andy/.rvm/gems/ruby-1.9.2-p290/gems/bundler-1.2.2/lib/bundler/runtime.rb:31:in `block in setup'
/Users/Andy/.rvm/gems/ruby-1.9.2-p290/gems/bundler-1.2.2/lib/bundler/runtime.rb:17:in `setup'
/Users/Andy/.rvm/gems/ruby-1.9.2-p290/gems/bundler-1.2.2/lib/bundler.rb:116:in `setup'
/Users/Andy/.rvm/gems/ruby-1.9.2-p290/gems/bundler-1.2.2/lib/bundler/setup.rb:7:in `<top (required)>'
/Users/Andy/Desktop/AcademyAir/config/boot.rb:6:in `<top (required)>'
/Users/Andy/Desktop/AcademyAir/config/application.rb:1:in `<top (required)>'
/Users/Andy/Desktop/AcademyAir/Rakefile:5:in `<top (required)>'
(See full trace by running task with --trace)

推荐答案

试试这个 bundle exec rake db:migrate

移除 rake 10.0.2 gem

通过使用gem uninstall rake并删除10.0.2版本的rake gem

By using gem uninstall rake and remove 10.0.2 version of rake gem

然后尝试 rake db:migrate

为什么会出现错误:在您的 gem 中列出了 rake gem 安装的两个版本(10.0.2 和 0.9.2.2)，因此会出现此错误.*

Why Error comes : In you gem list two version (10.0.2 and 0.9.2.2) of rake gem install so that this error comes.*

另一个解决方案是你可以做bundle update

Another Solution is you can do bundle update

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