异步发送邮件时“SSL_read：cert已在哈希表中”

时间：2014-03-05 21:44:50

标签： ruby-on-rails ruby heroku openssl sidekiq

在与ActionMailer异步发送延迟电子邮件时，我不断收到OpenSSL::SSL::SSLError消息SSL_read: cert already in hash table。

我们使用Sidekiq以异步方式发送所有电子邮件。当在Sidekiq GitHub回购中将此问题作为问题提出时，我被告知Sidekiq对SSL连接一无所知或管理SSL连接。

我们的应用程序托管在运行OpenSSL 0.9.8k 25 Mar 2009的Heroku上。

我们在其他工作中多次看到此错误，并发现有时会处理作业，但有时却没有。

这是一个OpenSSL线程问题，其中多个Sidekiq线程试图使用相同的SSL连接？有没有解决这个问题？

这是我们得到的堆栈跟踪：

    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/openssl/buffering.rb:175:in `sysread_nonblock`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/openssl/buffering.rb:175:in `read_nonblock`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/protocol.rb:153:in `rbuf_fill`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/protocol.rb:134:in `readuntil`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/protocol.rb:144:in `readline`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/smtp.rb:932:in `recv_response`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/smtp.rb:903:in `block in data`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/smtp.rb:942:in `critical`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/smtp.rb:896:in `data`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/smtp.rb:663:in `block in send_message`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/smtp.rb:852:in `rcptto_list`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/smtp.rb:663:in `send_message`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/network/delivery_methods/smtp.rb:113:in `block in deliver!`
    [PROJECT_ROOT]/vendor/ruby-2.0.0/lib/ruby/2.0.0/net/smtp.rb:521:in `start`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/network/delivery_methods/smtp.rb:112:in `deliver!`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/message.rb:2129:in `do_delivery`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/message.rb:232:in `block in deliver`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/actionmailer-4.0.3/lib/action_mailer/base.rb:456:in `block in deliver_mail`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/notifications.rb:159:in `block in instrument`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/notifications/instrumenter.rb:20:in `instrument`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.3/lib/active_support/notifications.rb:159:in `instrument`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/actionmailer-4.0.3/lib/action_mailer/base.rb:454:in `deliver_mail`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/mail-2.5.4/lib/mail/message.rb:232:in `deliver`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/extensions/action_mailer.rb:20:in `perform`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/processor.rb:49:in `block (3 levels) in process`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:122:in `call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:122:in `block in invoke`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/newrelic_rpm-3.7.1.182/lib/new_relic/agent/instrumentation/sidekiq.rb:30:in `block in call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/newrelic_rpm-3.7.1.182/lib/new_relic/agent/instrumentation/controller_instrumentation.rb:339:in `perform_action_with_newrelic_trace`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/newrelic_rpm-3.7.1.182/lib/new_relic/agent/instrumentation/sidekiq.rb:21:in `call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:124:in `block in invoke`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-failures-0.3.0/lib/sidekiq/failures/middleware.rb:10:in `call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:124:in `block in invoke`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-unique-jobs-2.7.0/lib/sidekiq-unique-jobs/middleware/server/unique_jobs.rb:15:in `call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:124:in `block in invoke`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/server/active_record.rb:6:in `call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:124:in `block in invoke`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/server/retry_jobs.rb:62:in `call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:124:in `block in invoke`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/server/logging.rb:11:in `block in call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/logging.rb:22:in `with_context`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/server/logging.rb:7:in `call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:124:in `block in invoke`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:127:in `call`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/middleware/chain.rb:127:in `invoke`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/processor.rb:48:in `block (2 levels) in process`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/processor.rb:105:in `stats`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/processor.rb:47:in `block in process`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/processor.rb:86:in `do_defer`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/sidekiq-2.17.2/lib/sidekiq/processor.rb:37:in `process`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/celluloid-0.15.2/lib/celluloid/calls.rb:25:in `public_send`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/celluloid-0.15.2/lib/celluloid/calls.rb:25:in `dispatch`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/celluloid-0.15.2/lib/celluloid/calls.rb:122:in `dispatch`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/celluloid-0.15.2/lib/celluloid/actor.rb:322:in `block in handle_message`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/celluloid-0.15.2/lib/celluloid/actor.rb:416:in `block in task`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/celluloid-0.15.2/lib/celluloid/tasks.rb:55:in `block in initialize`
    [PROJECT_ROOT]/vendor/bundle/ruby/2.0.0/gems/celluloid-0.15.2/lib/celluloid/tasks/task_fiber.rb:13:in `block in create

2 个答案:

答案 0 :(得分：1)

当中间CA证书提供电子邮件服务器证书但也已在本地证书存储中时，可能会发生这种情况。这可能是这个版本的OpenSSL中的一个错误，或者是电子邮件库如何处理OpenSSL错误（它不应该是致命的）。

答案 1 :(得分：1)

这与版本2.3的补丁程序中修复的Ruby concurrency issue有关

您的日志表明您的应用正在运行2.0.0。将语言版本更新为至少稳定版本2.3将解决该问题。更改您的Gemfile Ruby声明即可轻松完成：

ruby '2.3.8'
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