数値変換エラー

Question

私はUbuntuのインスタンス上で RAILS_ENV=production rake db:migrateを実行しようとすると、次のエラー出力取得してい

：

/usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in `block (2 levels) in <class:Numeric>' 

をし、同様に次のような出力：

/usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.6/lib/active_support/core_ext/numeric/conversions.rb:131:in `block (2 levels) in <class:Numeric>' 
/usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.6/lib/active_support/cache/strategy/local_cache.rb:138:in `local_cache_key' 
/usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.6/lib/active_support/cache/strategy/local_cache.rb:74:in `middleware' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/application/bootstrap.rb:79:in `block in <module:Bootstrap>' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/initializable.rb:30:in `instance_exec' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/initializable.rb:30:in `run' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/initializable.rb:55:in `block in run_initializers' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/initializable.rb:54:in `run_initializers' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/application.rb:352:in `initialize!' 
/home/rails/gsc_surveying/config/environment.rb:5:in `<top (required)>' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/application.rb:328:in `require' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/application.rb:328:in `require_environment!' 
/usr/local/rvm/gems/ruby-2.4.0/gems/railties-4.2.6/lib/rails/application.rb:457:in `block in run_tasks_blocks' 
/usr/local/rvm/gems/ruby-2.4.0/gems/rake-12.0.0/exe/rake:27:in `<top (required)>' 
Tasks: TOP => db:migrate => environment 

Answer 1

切り替えRuby 2.3.1ではこの問題が修正されました。