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azure - 间歇性 HttpClient 问题 - SslStream 已处理

问题描述

我遇到了一个间歇性的问题HttpClient。SslStream它会提前随机处理。它有时每小时发生一次，有时更频繁。我在 Azure Functions 上运行我的代码，它似乎在本地完美运行，但是一旦我在 Azure 上部署它，它就开始失败。我知道的陷阱，HttpClient因此我IHttpClientFactory在我的实现中使用它，它被注入到我的 API 中。

我正在使用微服务，这个问题只影响调用另一个 Azure Function 应用程序。

我的HttpClient超时设置为 5 分钟，Azure Functions 超时设置为最大值。10分钟，但这没有帮助。

错误消息和堆栈如下：

The operation was canceled.. Inner Exception: The read operation failed, see inner exception.. Cannot access a disposed object.

Object name: 'SslStream'.
   at System.Net.Security.SslStreamInternal.ReadAsyncInternal[TReadAdapter](TReadAdapter adapter, Memory`1 buffer)
   at System.Net.Http.HttpConnection.FillAsync()
   at System.Net.Http.HttpConnection.ReadNextResponseHeaderLineAsync(Boolean foldedHeadersAllowed)
   at System.Net.Http.HttpConnection.SendAsyncCore(HttpRequestMessage request, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnection.SendAsyncCore(HttpRequestMessage request, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnectionPool.SendWithNtConnectionAuthAsync(HttpConnection connection, HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)
   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
   at Microsoft.Extensions.Http.Logging.LoggingHttpMessageHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
   at Microsoft.Extensions.Http.Logging.LoggingScopeHttpMessageHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)
   at Huedash.Core.HttpClientService.GetAsync[T](String service, String endpoint, ValueTuple`2[] parameters) in C:\_Huedash\HuedashApiGit\HuedashApiCore\Huedash.Core\HttpClientService.cs:line 43
   at HuedashConnectorsApp.WarehouseScheduleFunction.WarehouseDownload(Vendor vendor, IConfiguration configuration, IHttpClientService client, ILogger log) in C:\_Huedash\HuedashBackendGit\HuedashBackendCore\Huedash.ConnectorsApp\WarehouseScheduleFunction.cs:line 140

标签： azureazure-functionsdotnet-httpclient

解决方案

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