无法弄清楚这个错误是什么意思（rails Net::OpenTimeout: execution expired）

【问题标题】：Can't figure out what this error means (rails Net::OpenTimeout: execution expired)无法弄清楚这个错误是什么意思（rails Net::OpenTimeout: execution expired）
【发布时间】：2014-04-17 21:56:12
【问题描述】：

我的 Rails 应用出现错误：Net::OpenTimeout: execution expired

我研究了这个错误，每个人都将它与 Mailer 联系起来，我认为它与我无关。这是错误堆栈跟踪：

/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:878 in "initialize"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:878 in "open"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:878 in "block in connect"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:877 in "connect"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:862 in "do_start"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:851 in "start"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:1367 in "request"
/vendor/bundle/ruby/2.0.0/gems/rest-client-1.6.7/lib/restclient/net_http_ext.rb:51 in "request"
/vendor/bundle/ruby/2.0.0/gems/twilio-ruby-3.11.5/lib/twilio-ruby/rest/client.rb:216 in "connect_and_send"
/vendor/bundle/ruby/2.0.0/gems/twilio-ruby-3.11.5/lib/twilio-ruby/rest/client.rb:168 in "block (2 levels) in <class:Client>"
/vendor/bundle/ruby/2.0.0/gems/twilio-ruby-3.11.5/lib/twilio-ruby/rest/list_resource.rb:91 in "create"
/app/models/message.rb:52 in "send_sms"
/app/controllers/messages_controller.rb:91 in "block in api_send_message"
/app/controllers/messages_controller.rb:81 in "each"
/app/controllers/messages_controller.rb:81 in "api_send_message"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal/implicit_render.rb:4 in "send_action"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/abstract_controller/base.rb:189 in "process_action"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal/rendering.rb:10 in "process_action"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/abstract_controller/callbacks.rb:18 in "block in process_action"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/callbacks.rb:463 in "_run__4571876806874491795__process_action__callbacks"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/callbacks.rb:80 in "run_callbacks"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/abstract_controller/callbacks.rb:17 in "process_action"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal/rescue.rb:29 in "process_action"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal/instrumentation.rb:31 in "block in process_action"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/notifications.rb:159 in "block in instrument"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/notifications/instrumenter.rb:20 in "instrument"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/notifications.rb:159 in "instrument"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal/instrumentation.rb:30 in "process_action"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal/params_wrapper.rb:245 in "process_action"
/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.3/lib/active_record/railties/controller_runtime.rb:18 in "process_action"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/abstract_controller/base.rb:136 in "process"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/abstract_controller/rendering.rb:44 in "process"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal.rb:195 in "dispatch"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal/rack_delegation.rb:13 in "dispatch"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_controller/metal.rb:231 in "block in action"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/routing/route_set.rb:80 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/routing/route_set.rb:80 in "dispatch"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/routing/route_set.rb:48 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/journey/router.rb:71 in "block in call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/journey/router.rb:59 in "each"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/journey/router.rb:59 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/routing/route_set.rb:680 in "call"
/vendor/bundle/ruby/2.0.0/bundler/gems/omnicontacts-0338b3a3ee81/lib/omnicontacts/middleware/base_oauth.rb:41 in "call"
/vendor/bundle/ruby/2.0.0/bundler/gems/omnicontacts-0338b3a3ee81/lib/omnicontacts/builder.rb:27 in "call"
/vendor/bundle/ruby/2.0.0/gems/warden-1.2.3/lib/warden/manager.rb:35 in "block in call"
/vendor/bundle/ruby/2.0.0/gems/warden-1.2.3/lib/warden/manager.rb:34 in "catch"
/vendor/bundle/ruby/2.0.0/gems/warden-1.2.3/lib/warden/manager.rb:34 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/etag.rb:23 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/conditionalget.rb:35 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/head.rb:11 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/params_parser.rb:27 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/flash.rb:241 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/session/abstract/id.rb:225 in "context"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/session/abstract/id.rb:220 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/cookies.rb:486 in "call"
/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.3/lib/active_record/query_cache.rb:36 in "call"
/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:626 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/callbacks.rb:29 in "block in call"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/callbacks.rb:373 in "_run__2265971570262465834__call__callbacks"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/callbacks.rb:80 in "run_callbacks"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/callbacks.rb:27 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/remote_ip.rb:76 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/debug_exceptions.rb:17 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/show_exceptions.rb:30 in "call"
/vendor/bundle/ruby/2.0.0/gems/railties-4.0.3/lib/rails/rack/logger.rb:38 in "call_app"
/vendor/bundle/ruby/2.0.0/gems/railties-4.0.3/lib/rails/rack/logger.rb:20 in "block in call"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/tagged_logging.rb:67 in "block in tagged"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/tagged_logging.rb:25 in "tagged"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/tagged_logging.rb:67 in "tagged"
/vendor/bundle/ruby/2.0.0/gems/railties-4.0.3/lib/rails/rack/logger.rb:20 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/request_id.rb:21 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/methodoverride.rb:21 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/runtime.rb:17 in "call"
/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/cache/strategy/local_cache.rb:83 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/static.rb:64 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/sendfile.rb:112 in "call"
/vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.3/lib/action_dispatch/middleware/ssl.rb:24 in "call"
/vendor/bundle/ruby/2.0.0/gems/railties-4.0.3/lib/rails/engine.rb:511 in "call"
/vendor/bundle/ruby/2.0.0/gems/railties-4.0.3/lib/rails/application.rb:97 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/lock.rb:17 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/content_length.rb:14 in "call"
/vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60 in "service"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/httpserver.rb:138 in "service"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/httpserver.rb:94 in "run"
/vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/server.rb:295 in "block in start_thread"

它发生在我通过 twilio 发送短信时，并且只发生过一次。在此之前我已经发送了 6k 条 SMS 消息，没有任何问题。这不是问题吗？是什么原因造成的？

【问题讨论】：

  • /vendor/ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:878 in "block in connect" 在我看来，它只是没有得到 twilio 的响应来验证它是否真的在发送您的消息。连接问题？可能是 API 限制？

标签： ruby-on-rails ruby-on-rails-3 twilio


【解决方案1】：

不知道这个错误是什么意思 Net::OpenTimeout: execution expired

这只是一个超时错误。当第三方服务器需要时间来响应时，就会发生这种情况。

解决方案

  1. 后台作业中的第一个移动方法。
  2. 在发出下一个请求时添加一些延迟。延迟取决于您每秒向第三方服务器拨打电话的能力或限制。 sleep 5 在大多数情况下都有效。
  3. 如果可能，请发送batch 请求。

参考文献

  1. What are the limits on outbound calls and SMS messages per-second?
  2. Using Twilio SMS API, can I specify multiple destination phones in one post?
  3. How to send bulk SMS with twilio API

【讨论】：

    【解决方案2】：

    没有收到来自 SMS 服务 url 的响应。由于没有响应并且超出了请求的等待时间，请求处理失败。服务的连接问题，因此您遇到了超时

    【讨论】：

      【解决方案3】：

      我在我的 API 中使用此 SMS 服务在手机上发送消息，之前遇到过此错误。这是与服务器的连接问题。应用程序正在向服务 url 发送请求并且它已经等待了一定的时间，当没有收到响应并且超过等待时间时，请求执行由于超时而停止，rails 给出了这个错误。

      【讨论】：

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