SocketError: getaddrinfo while running heroku run rake db:seed on a Heroku App-Rails4

Question

我正在使用Rails4 and ruby2.0.0。我在Heroku 上推送了我的应用程序，当我运行 heroku run rake db:seed 时出现此错误

运行 rake db:seed 连接到终端...向上，run.6298

渲染的 devise/mailer/confirmation_instructions.html.erb (1.8ms)

发送邮件到 xyz@gmail.com (29.3ms) rake 中止！套接字错误： getaddrinfo：名称解析暂时失败 /app/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/network/delivery_methods/smtp.rb:112:in deliver!' /app/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/message.rb:2129:in do_delivery' /app/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/message.rb:232:in block in deliver' /app/vendor/bundle/ruby/2.0.0/gems/actionmailer-4.0.1/lib/action_mailer/base.rb:456:in block in Deliver_mail' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/notifications.rb:159:in block in instrument' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/notifications/instrumenter.rb:20:in instrument' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/notifications.rb:159:in instrument' /app/vendor/bundle/ruby/2.0.0/gems/actionmailer-4.0.1/lib/action_mailer/base.rb:454:in deliver_mail' /app/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/message.rb:232:in deliver' /app/vendor/bundle/ruby/2.0.0/gems/devise-3.2.4/lib/devise/models/authenticatable.rb:173:in send_devise_notification' /app/vendor/bundle/ruby/2.0.0/gems/devise-3.2.4/lib/devise/models/confirmable.rb:102:in send_confirmation_instructions' /app/vendor/bundle/ruby/2.0.0/gems/devise-3.2.4/lib/devise/models/confirmable.rb:158:in send_on_create_confirmation_instructions' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/callbacks.rb:386:in _run__3822695918417406283__create__callbacks' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/callbacks.rb:80:in run_callbacks' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/callbacks.rb:306:in create_record' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/timestamp.rb:57:in create_record' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/persistence.rb:477:in create_or_update' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/callbacks.rb:302:in block in create_or_update' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/callbacks.rb:383:in _run__3822695918417406283__save__callbacks' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/callbacks.rb:80:in run_callbacks' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/callbacks.rb:302:in create_or_update' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/persistence.rb:106:in save' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/validations.rb:51:in save' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/attribute_methods/dirty.rb:32:in save' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/transactions.rb:270:in block (2 levels) in save' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/transactions.rb:326:inblock in with_transaction_returning_status' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/connection_adapters/abstract/database_statements.rb:202:in block in transaction' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/connection_adapters/abstract/database_statements.rb:210:in within_new_transaction' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/connection_adapters/abstract/database_statements.rb:202:in transaction' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/transactions.rb:209:intransaction' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/transactions.rb:323:in with_transaction_returning_status' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/transactions.rb:270:inblock in save' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/transactions.rb:281:in rollback_active_record_state!' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/transactions.rb:269:insave' /app/db/seeds.rb:8:in @ 987654342@load' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/dependencies.rb:223:in block in load' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/dependencies.rb:214:inload_dependency' /app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.1/lib/active_support/dependencies.rb:223:in load' /app/vendor/bundle/ruby/2.0.0/gems/railties-4.0.1/lib/rails/engine.rb:540:in load_seed' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/tasks/database_tasks.rb:154:in load_seed' /app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.1/lib/active_record/railties/databases.rake:181:in block (2 个级别) in ' Tasks: TOP => db:seed (查看全文 通过使用 --trace 运行任务来跟踪）

Answer 1

您正在种子文件中创建设计用户。设计自动发送一些电子邮件，例如email_confirmation。

所以你必须为生产环境设置一个合适的 ActionMailer。您可能正在为此使用另一个 heroku 服务。例如mailgun

您也可以在种子文件中bypass devise email_confirmation。