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我在 Mac Big Sur 上使用 VSCode 1.61.1 和 Rails 4.2 应用程序（ruby-debug-ide 0.7.3，debase 0.2.2.beta10），与 Unicorn 应用程序服务器一起运行。Rails 应用程序在虚拟服务器上运行（通过 Vagrant 构建）。我已经暴露了所有必要的端口。我在我的 launch.json 中配置了这个

  "configurations": [
    {
      "name": "Listen for rdebug-ide",
      "type": "Ruby",
      "request": "attach",
      "cwd": "${workspaceRoot}",
      "remoteHost": "127.0.0.1",
      "remotePort": "1234",
      "remoteWorkspaceRoot": "/home/my-app",
      "showDebuggerOutput": true
    },

然后在我的虚拟服务器中，我使用

rdebug-ide --debug --host 0.0.0.0 --port 1234 -- bin/rails s -p 3000 -b 0.0.0.0

从 VS Code 中，然后我通过单击附加调试器

在此处输入图像描述

在我的 Rails 服务器上，我可以看到这个调试输出

15:08:31 rails.1      | Connected from local client
15:08:31 rails.1      | 5360: Starting control thread
15:08:31 rails.1      | 5360: Processing in control: start
15:08:31 rails.1      | 5360: Starting: running program script
15:08:31 rails.1      | 5360: Processing in control: thread list
15:08:31 rails.1      | 5360: <threads>
15:08:31 rails.1      | 5360: <thread id="1" status="sleep" pid="5360" />
15:08:31 rails.1      | 5360: </threads>
15:08:39 rails.1      | => Booting Unicorn
15:08:39 rails.1      | => Rails 4.2.10 application starting in development on http://0.0.0.0:3000
15:08:39 rails.1      | => Run `rails server -h` for more startup options
15:08:39 rails.1      | => Ctrl-C to shutdown server
15:08:39 rails.1      | W, [2021-10-18T15:08:39.643324 #5360]  WARN -- ddtrace: [ddtrace] Unable to patch Datadog::Contrib::Faraday::Integration (Available?: true, Loaded? true, Compatible? false, Patchable? false)
15:08:41 rails.1      | I, [2021-10-18T15:08:41.538531 #5360]  INFO -- : unlinking existing socket=/home/my-app/tmp/sockets/unicorn.sock
15:08:41 rails.1      | I, [2021-10-18T15:08:41.538665 #5360]  INFO -- : listening on addr=/home/my-app/tmp/sockets/unicorn.sock fd=14
15:08:41 rails.1      | I, [2021-10-18T15:08:41.538782 #5360]  INFO -- : listening on addr=0.0.0.0:3000 fd=15
15:08:41 rails.1      | Disconnected from Redis
15:08:41 rails.1      | I, [2021-10-18T15:08:41.544540 #5360]  INFO -- : master process ready
15:08:41 rails.1      | Connected to Redis
15:08:41 rails.1      | I, [2021-10-18T15:08:41.551381 #6487]  INFO -- : worker=0 ready

然后从 VSCode，当我添加断点时，我在我的 Rails 应用程序上看到了这个输出

15:09:16 rails.1      | 5360: Processing in control: break /home/my-app/app/controllers/api/v1/products_controller.rb:10
15:09:16 rails.1      | 5360: <breakpointAdded no="1" location="/home/my-app/app/controllers/api/v1/products_controller.rb:10"/>

但是当我真正访问应该达到断点的网页时，什么也没有发生。我现在调用代码是因为我看到“打印”语句输出到日志。但不确定我还需要做什么才能让 VSCode 的调试器在适当的断点处进行操作。

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