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使用模板中的新 gRPC 项目启动 Azure Dev Spaces 调试器时出现异常。Azure DevSpaces 的快速入门 .Net Core 页面上的示例项目可以正确调试，而我的示例项目不在同一个集群中。示例项目似乎使用 .Net Core 2.2，而我的项目使用 3.0。以下步骤重现了该问题：

  1. 打开 Visual Studio 2019 (v16.2.3)
  2. 单击创建新项目
  3. 搜索gRPC
  4. 单击ASP.NET Core Web 应用程序
  5. 给项目起任何名字
  6. 在下一个屏幕上，单击gRPC 服务 - 用于创建 gRPC ASP.NET Core 服务的项目模板。
  7. 创建项目
  8. 使用调试选项，选择Azure Dev Spaces并将项目配置为使用已设置的集群
  9. 使用Azure Dev Spaces启动调试器

预期：在 docker 步骤完成后，调试器仍保持连接状态。

实际的：

  • Docker 步骤完成，并在输出窗口中显示一条消息等待容器...。
  • 片刻之后，一条消息显示：Service [service name] port 80 (HTTP) is available via port forwarding at [port]出现在输出窗口中。
  • 之后，调试器被分离，并且在输出窗口中出现以下异常，并伴随着一个错误模式，指出无法访问容器：
An error occurred during warmup for project 'DebugSample':
System.InvalidOperationException: Container cannot be reached.
   at Microsoft.Azure.DevSpaces.Client.Connection.ContainerConnector.<EnsureDevHostAgentConnectionAsync>d__35.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.Azure.DevSpaces.Client.Connection.ContainerConnector.<ConnectAsync>d__27.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.Azure.DevSpaces.Client.ManagementClients.ServiceManagementClientImplementation.<EnsureContainerConnectors>d__102.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
   at Microsoft.Azure.DevSpaces.Client.ManagementClients.ServiceManagementClientImplementation.<ExecuteNextIterationAsync>d__98.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Common.Client.DevSpacesServiceClient.<>c__DisplayClass28_0.<<StartDebugAsync>b__1>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Common.Logging.PerfLoggerExtensions.<ExecuteOperationAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Common.Client.DevSpacesServiceClient.<>c__DisplayClass28_0.<<StartDebugAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Common.Logging.PerfLoggerExtensions.<ExecuteOperationAsync>d__3`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Common.Logging.PerfLoggerExtensions.<ExecuteOperationAsync>d__3`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Package.Services.DebugService.<WarmupProjectAsync>d__18.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Package.Services.BackgroundWarmupService.<>c__DisplayClass12_0.<<ExecuteWarmupAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Common.Logging.PerfLoggerExtensions.<ExecuteOperationAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Common.Logging.PerfLoggerExtensions.<ExecuteOperationAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Package.Services.BackgroundWarmupService.<ExecuteWarmupAsync>d__12.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.VisualStudio.Azure.DevSpaces.Tools.Package.Services.BackgroundWarmupService.<>c__DisplayClass9_0.<<WarmupProject>b__5>d.MoveNext()
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