https://ruby-china.org/zr0243 en-us <p>错误提示如下： ActiveRecord::StatementInvalid (Mysql2::Error: MySQL server has gone away: ROLLBACK):</p> <p>app/controllers/home_controller.rb:1176:in `updateRecordByID' Rendering /usr/local/rvm/gems/ruby-2.3.3/gems/actionpack-5.0.1/lib/action_dispatch/middleware/templates/rescues/diagnostics.html.erb within rescues/ layout</p> zr0243 Thu, 18 Jan 2018 11:05:52 +0800 https://ruby-china.org/topics/34905 https://ruby-china.org/topics/34905