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rails generate命令无反应的解决办法
在使用如下命令的时候等待许久无反应。
rails generate scaffold Product title:string description:text image_url:string price:decimal
ctrl+c后出现如下报错
^C/home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client/run.rb:117:in `gets': Interrupt
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client/run.rb:117:in `verify_server_version'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client/run.rb:62:in `run'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client/run.rb:42:in `warm_run'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client/run.rb:35:in `call'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client/command.rb:7:in `call'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client/rails.rb:24:in `call'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client/command.rb:7:in `call'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/client.rb:30:in `run'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/bin/spring:49:in `<top (required)>'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in `load'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in `<top (required)>'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:68:in `require'
from /home/cailizhong/.rbenv/versions/2.4.1/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:68:in `require'
from /www/web/myRailsApp/depot/bin/spring:15:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'
解决办法：
执行spring stop命令即可。然后再重新执行你的命令。
参考:https://stackoverflow.com/questions/45312341/rails-hanging-when-trying-to-generate-controller
