ruby - rake 在 Rails4 中不起作用

Question

我尝试在 Ruby on Rails4 中学习，但没有成功。当我使用最初安装在我的 mac 中的 Ruby 时，没有错误。但是在我安装了 rbenv 之后，出现了这个错误。我该如何解决这个问题？？

$ bundle exec rake assets:precompile
/Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/runtime.rb:220: warning: Insecure world writable dir /usr/local in PATH, mode 040777
/Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/spec_set.rb:92:in `block in materialize': Could not find rake-10.3.1 in any of the sources (Bundler::GemNotFound)
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/spec_set.rb:85:in `map!'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/spec_set.rb:85:in `materialize'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/definition.rb:133:in `specs'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/definition.rb:178:in `specs_for'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/definition.rb:167:in `requested_specs'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/environment.rb:18:in `requested_specs'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/runtime.rb:13:in `setup'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler.rb:119:in `setup'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.5.3/lib/bundler/setup.rb:17:in `<top (required)>'
from /Users/Fumiya/.rbenv/versions/2.1.1/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/Fumiya/.rbenv/versions/2.1.1/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'

Answer 1

在你的 gemfile 中指定

gem 'rake', '10.3.1'

然后

bundle install

做

bundle exec rake assets:precompile