Puma "Early termination of worker" 调查困难重重

Question

我只更新了我的应用程序的 gem 并移至 Rails 6.1.0.rc1，现在无法运行 puma。我看到许多消息说 [7XXXX] Early termination of worker.

我可以通过运行ning bundle exec puma -p 3000 -e production 在本地复制它，但我在 log/production.log 或任何其他环境的日志中看不到任何其他输出。

此时除了等待新的 Rails rc，我不确定如何才能找到问题的根源。如果我运行 bundle exec puma -C config/puma.rb -p 3000 或 bundle exec rails s.

也没有问题

其他详细信息

在Gemfile

gem 'puma', '~> 4.1'

并在 Gemfile.lock

puma (4.3.6)

我更新到 Puma 5.0.4 所以我可以在 Control/Status Server Puma can 运行上使用 thread-backtraces 方法。它能够为我提供以下输出，稍后我将深入研究，但它似乎没有提供确凿的证据。

[
    {
        "backtrace": [
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/cluster.rb:412:in `select'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/cluster.rb:412:in `run'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/launcher.rb:171:in `run'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/cli.rb:80:in `run'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/bin/puma:10:in `<top (required)>'",
            "~/.rvm/gems/ruby-2.7.2/bin/puma:23:in `load'",
            "~/.rvm/gems/ruby-2.7.2/bin/puma:23:in `<main>'",
            "~/.rvm/gems/ruby-2.7.2/bin/ruby_executable_hooks:24:in `eval'",
            "~/.rvm/gems/ruby-2.7.2/bin/ruby_executable_hooks:24:in `<main>'"
        ],
        "name": "Thread: TID-5ic"
    },
    {
        "backtrace": [
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/plugin/tmp_restart.rb:21:in `sleep'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/plugin/tmp_restart.rb:21:in `block in start'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/plugin.rb:68:in `block (2 levels) in fire_background'"
        ],
        "name": "Thread: TID-5iw puma plugin background 0"
    },
    {
        "backtrace": [
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/reactor.rb:70:in `select'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/reactor.rb:70:in `select_loop'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/reactor.rb:34:in `block in run'"
        ],
        "name": "Thread: TID-5jg puma reactor"
    },
    {
        "backtrace": [
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/thread_pool.rb:308:in `sleep'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/thread_pool.rb:308:in `block in start!'"
        ],
        "name": "Thread: TID-5k0 puma threadpool reaper"
    },
    {
        "backtrace": [
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/thread_pool.rb:308:in `sleep'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/thread_pool.rb:308:in `block in start!'"
        ],
        "name": "Thread: TID-5kk puma threadpool trimmer"
    },
    {
        "backtrace": [
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/server.rb:323:in `select'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/server.rb:323:in `handle_servers'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/server.rb:258:in `block in run'"
        ],
        "name": "Thread: TID-5l4 puma server"
    },
    {
        "backtrace": [
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/launcher.rb:219:in `backtrace'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/launcher.rb:219:in `block in thread_status'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/launcher.rb:215:in `each'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/launcher.rb:215:in `thread_status'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/app/status.rb:59:in `call'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/request.rb:76:in `block in handle_request'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/thread_pool.rb:337:in `with_force_shutdown'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/request.rb:75:in `handle_request'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/server.rb:430:in `process_client'",
            "~/.rvm/gems/ruby-2.7.2/gems/puma-5.0.4/lib/puma/thread_pool.rb:145:in `block in spawn_thread'"
        ],
        "name": "Thread: TID-5og puma threadpool 001"
    }
]

Answer 1

出乎意料！

pumactl 并且有一个 control-url 帮助，但我的一个朋友提出了我只希望更明显的最好的想法，

are you throwing the error on a different server?

我运行 gem install thin 和 RAILS_ENV=production thin start 终于向我展示了我正在寻找的错误！

事实证明，我不应该使用像 add_template_helper 这样的 non-public 方法，因为 ActionMailer::Base 可能并不总是获得 ActionController::Base 的所有方法。我在开发中没有看到这个错误，因为 Rails 不会急切地加载你所有的类.

Puma "Early termination of worker" 调查困难重重

Puma "Early termination of worker" investigation difficult

ruby-on-rails

puma

其他详细信息

出乎意料！