Rake db：種子耙中止！ ActiveRecord :: RecordInvalid：驗證失敗：電子郵件已被採用

Question

我是OneMonth學習條形支付的初學者。現在，我正在學習如何創建產品表併爲數據庫創建種子。一切都一帆風順，到目前爲止，直到我跑耙分貝之後遇到一個問題：種子

大衛 - MBP-2：one_month_stripe_payments DKP $耙分貝：種子 耙中止！ ActiveRecord :: RecordInvalid：驗證失敗：電子郵件已被採用 /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/validations.rb： 79：在raise_record_invalid' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/validations.rb:43:in保存！' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/attribute_methods/dirty.rb:29:in save!' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/transactions.rb:291:in block in save！' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/transactions.rb:351:in block in with_transaction_returning_status' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in交易' /Users/DKP /中的區塊。 rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/transaction.rb：184：在within_new_transaction' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in交易' /Users/DKP/.rvm/gems/ruby -2.3.0@global/gems/activerecord-4.2.5/lib/active_record/transactions.rb：220：在transaction' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/transactions.rb:348:in with_transaction_returning_status' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/ activerecord-4.2.5/lib/active_record/transactions.rb：291：在save!' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/persistence.rb:51:in創建！' /Users/DKP/Desktop/one_month/one_month_stripe_payments/db/seeds.rb:8:in <top (required)>' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:268:in load' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activesupport-4.2.5 /lib/active_support/dependencies.rb:268:in block in load' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:240:in load_dependency' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activesupport-4.2.5/lib/active_support/dependencies.rb： 268：load' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/railties-4.2.5/lib/rails/engine.rb:547:in load_seed' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/tasks/database_tasks.rb:250:in load_seed' /Users/DKP/.rvm/gems/ruby-2.3.0@global/gems/activerecord-4.2.5/lib/active_record/railties/databases.rake:183:in block（2）水平）' /Users/DKP/.rvm/gems/ruby-2.3.0/bin/ruby_executable_hooks:15:in eval' /Users/DKP/.rvm/gems/ruby-2.3.0/bin/ruby_executable_hooks:15:in' 任務：TOP => db：seed （請參閱完整跟蹤，通過使用 - 跟蹤）

我試過rake db：reset，然後rake：db migrate，然後再次rake db：seed。但我仍然有同樣的錯誤。

任何人都可以幫助我解決這個問題嗎？我感覺卡住了，我不知道該怎麼做。

非常感謝！

Answer 1

當你做rake db:reset，什麼軌道是rake db:drop - >rake db:create - >rake db:migrate - >rake db:seed。

你不需要再次rake db:seed。

你可以通過做rails c檢查你的控制檯，看看你的種子數據是否已經在裏面。 Product.all

Answer 2

'電子郵件已被採納'意味着你有一個已經存在的電子郵件記錄。

執行Rails控制檯並檢查記錄是否存在。 如果沒有，請執行rake db：drop - > rake db：create - > rake db：migrate - > rake db：seed。這將解決您的問題。