2026-08-11 14:43:41.5055|Error|StartOrStopProxyService|System.Threading.Tasks.TaskCanceledException: A task was canceled.
---> System.Threading.Tasks.TaskCanceledException: A task was canceled.
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationToken cancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
at System.Net.Http.SocketsHttpHandler.<SendAsync>g__CreateHandlerAndSendAsync|115_0(HttpRequestMessage request, CancellationToken cancellationToken)
at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpClient.HandleFailure(Exception e, Boolean telemetryStarted, HttpResponseMessage response, CancellationTokenSource cts, CancellationToken cancellationToken, CancellationTokenSource pendingRequestsCts)
at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
at BD.WTTS.Services.Implementation.NetworkTestService.TestDNSOverHttpsAsync(String testDomain, String dohServer, DnsRecordType dnsRecordType, CancellationToken cancellationToken)
at BD.WTTS.Services.ProxyService.GetValidDNSAsync(String dns, CancellationToken cancellationToken) |
...(后续多行类似异常,均指向同一调用链,且包含 SocketException 995 的详细堆栈)...
🐛 描述
问题现象
在 Windows 11 IoT 企业版 LTSC (24H2) 上安装 Watt Toolkit 3.1.0 后,开启“开机自启动”功能时,程序无法成功注册系统开机自启服务。
手动在
shell:startup目录中创建程序快捷方式后,虽然系统显示已注册自启项,但实际重启后程序仍无法自动启动。关联日志线索
查看当日日志(见下方“日志信息”),发现程序启动过程中多次抛出
TaskCanceledException,主要发生在TestDNSOverHttpsAsync和GetValidDNSAsync调用链。异常根源为 Socket 操作被中止(错误码 995),可能表明在网络环境未就绪时程序过早发起 DNS 测试,导致超时或取消,进而影响了后续初始化流程,最终使得自启服务未能完全生效。📷 复现步骤
shell:startup目录,此时系统启动项列表中可见 Watt Toolkit。📄 日志信息
🚑 其他信息
WIN32_NT 10.0.26100.8894nlog-all-2026-08-11.log