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[英]Ruby On Rails Error 204 generate an image into a new view from controller
[英]Ruby on Rails - Lynda - Generating a Controller and View, Error on 'Rails Generate' Command
我是Ruby on Rails的新手,并且正在关注Lynda的Ruby on Rails基本培训指南视频。
在入门视频中,我们展示了“ rails generator”命令的工作方式。 我已经按照所有步骤进行操作,但是每次输入“ $ rails generate”时,都会出现以下错误:
Warning: You're using Rubygems 2.0.14 with Spring. Upgrade to at least Rubygems 2.1.0 and run `gem pristine --all` for better startup performance.
/Users/waleedrahamtullah/.rbenv/versions/2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- bundler/setup (LoadError)
from /Users/waleedrahamtullah/.rbenv/versions/2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Library/Ruby/Gems/2.0.0/gems/spring-1.1.3/lib/spring/commands.rb:33:in `<module:Spring>'
from /Library/Ruby/Gems/2.0.0/gems/spring-1.1.3/lib/spring/commands.rb:4:in `<top (required)>'
from /Users/waleedrahamtullah/.rbenv/versions/2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/waleedrahamtullah/.rbenv/versions/2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Library/Ruby/Gems/2.0.0/gems/spring-1.1.3/lib/spring/application.rb:77:in `preload'
from /Library/Ruby/Gems/2.0.0/gems/spring-1.1.3/lib/spring/application.rb:140:in `serve'
from /Library/Ruby/Gems/2.0.0/gems/spring-1.1.3/lib/spring/application.rb:128:in `block in run'
from /Library/Ruby/Gems/2.0.0/gems/spring-1.1.3/lib/spring/application.rb:122:in `loop'
from /Library/Ruby/Gems/2.0.0/gems/spring-1.1.3/lib/spring/application.rb:122:in `run'
from /Library/Ruby/Gems/2.0.0/gems/spring-1.1.3/lib/spring/application/boot.rb:18:in `<top (required)>'
from /Users/waleedrahamtullah/.rbenv/versions/2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/waleedrahamtullah/.rbenv/versions/2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from -e:1:in `<main>'
你认为我如何解决这个问题?
答案在错误中:
You're using Rubygems 2.0.14 with Spring. Upgrade to at least Rubygems 2.1.0 and run `gem pristine --all`
更新:
gem install rubygems-update
然后运行:
gem pristine --all
一切都应该很好。
当我更新
gem install rubygems-update
接着
gem pristine --all
它对我不起作用。
但是如何升级rubygems的答案有助于解决问题,但是在那之后,由于某种原因,我不得不再次安装rails并安装所有gems。
安装rubygems-update
gem install rubygems-update
update_rubygems
gem update --system
以root身份运行此命令或使用sudo。
我在rbenv中使用ruby,所以我可以以普通用户身份运行它们。 但是,生成新的Rails网站
rails new blog
显示有关旧红宝石的警告。
Warning: You're using Rubygems 2.0.14 with Spring.
嗯 检查环境:
gem env
表演
RubyGems Environment:
- RUBYGEMS VERSION: 2.0.14
不好 按照互联网上的建议,我运行:
gem install rubygems-update
gem pristine --all
update_rubygems
我不确定是否需要宝石原始的东西,但都不会损害任何东西。 立即检查更新状态
gem env
表演
RubyGems Environment:
- RUBYGEMS VERSION: 2.4.6
很好 呼唤
rails new blog
一切顺利。 完全没有警告。
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