无法在 VSTS 构建中索引源和发布符号

Question

索引源和发布符号步骤间歇性失败并出现以下错误：

[error]发送请求时出错。

2018-01-31T01:03:40.9236492Z ##[debug]System.Net.Http.HttpRequestException：发送请求时出错。 ---> System.Net.Http.WinHttpException：无法解析服务器名称或地址 在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() 在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务） 在 System.Net.Http.WinHttpHandler.d__105.MoveNext() --- 内部异常堆栈跟踪结束 --- 在 Microsoft.VisualStudio.Services.Common.VssHttpRetryMessageHandler.d__4.MoveNext() --- 从先前抛出异常的位置结束堆栈跟踪 --- 在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() 在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务） 在 System.Net.Http.HttpClient.d__58.MoveNext() --- 从先前抛出异常的位置结束堆栈跟踪 --- 在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() 在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务） 在 Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.d__49.MoveNext() --- 从先前抛出异常的位置结束堆栈跟踪 --- 在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() 在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务） 在 Microsoft.VisualStudio.Services.WebApi.VssHttpClientBase.d__461.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.Location.Client.LocationHttpClient.<GetConnectionDataAsync>d__6.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.Location.VssServerDataProvider.<ConnectAsync>d__41.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.Location.VssServerDataProvider.<EnsureConnectedAsync>d__39.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.Location.VssServerDataProvider.<CheckForServerUpdatesAsync>d__38.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.Location.VssServerDataProvider.<FindServiceDefinitionAsync>d__35.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.Location.VssServerDataProvider.<LocationForCurrentConnectionAsync>d__29.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.Location.LocationService.<ResolveLocationDataAsync>d__3.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.Location.LocationService.<GetLocationDataAsync>d__2.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.VssConnection.<GetClientInstanceAsync>d__18.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.VssConnection.<GetClientServiceImplAsync>d__15.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Services.WebApi.VssConnection.<GetClientAsync>d__121.MoveNext() --- 从先前抛出异常的位置结束堆栈跟踪 --- 在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() 在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务） 在 Microsoft.VisualStudio.Services.WebApi.TaskExtensions.SyncResult[T]（任务`1 任务） 在 Microsoft.VisualStudio.Services.WebApi.VssConnection.GetClientT 在 Microsoft.VisualStudio.Services.Agent.Worker.Build.BuildServer..ctor（VssConnection 连接，Guid 项目 ID） 在 Microsoft.VisualStudio.Services.Agent.Worker.Build.ArtifactCommandExtension.d__9.MoveNext() --- 从先前抛出异常的位置结束堆栈跟踪 --- 在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() 在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务） 在 Microsoft.VisualStudio.Services.Agent.Worker.AsyncCommandContext.d__15.MoveNext() --- 从先前抛出异常的位置结束堆栈跟踪 --- 在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() 在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任务任务） 在 Microsoft.VisualStudio.Services.Agent.Worker.StepsRunner.d__1.MoveNext()

这些错误是在 VSTS 上看到的，在 TFS 2017 SP1 上设置的相同任务在前提下非常稳定。

发布符号文件的路径已将权限设置为具有读\写访问权限的“每个人”用户。

Answer 1

在重新配置我们的 DNS 以使 VSTS 链接正确后，该问题已得到解决。谢谢。