无法获取到供应信息!发生异常:通常每个套接字地址(协议/网络地址/端口)只允许使用一次。 at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) at System.Threading.Tasks.ValueTask`1.get_Result() at System.Net.Http.HttpConnectionPool.CreateConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Threading.Tasks.ValueTask`1.get_Result() at System.Net.Http.HttpConnectionPool.WaitForCreatedConnectionAsync(ValueTask`1 creationTask) at System.Threading.Tasks.ValueTask`1.get_Result() 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.DecompressionHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts) at TzCloud.Services.Http.StandardHttpClient.GetStringAsync(String uri, Dictionary`2 headers) in D:\work\天助网平台\TzCloudV2\ApiService\TzCloud.ApiServices.Client\Http\StandardHttpClient.cs:line 44 at TzCloud.Services.HttpRemoteBase.HttpGetAsync[TResult](String url) in D:\work\天助网平台\TzCloudV2\ApiService\TzCloud.ApiServices.Client\HttpRemoteBase.cs:line 33 at Microsoft.Extensions.Caching.Memory.CacheExtensions.GetOrCreateAsync[TItem](IMemoryCache cache, Object key, Func`2 factory) at TzCloud.Tianzhu.SellOfferService.API.Controllers.SellOfferController.Get(Int32 id, Boolean cache) in D:\work\天助网平台\TzCloudV2\Tianzhu\TzCloud.Tianzhu.SellOfferService.API\Controllers\SellOfferController.cs:line 123 at lambda_method(Closure , Object ) at Microsoft.Extensions.Internal.ObjectMethodExecutorAwaitable.Awaiter.GetResult() at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at System.Threading.Tasks.ValueTask`1.get_Result() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync() at Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke(HttpContext httpContext) at Microsoft.AspNetCore.Routing.EndpointRoutingMiddleware.Invoke(HttpContext httpContext) at TzCloud.Exntesions.APIAuthorization.APIAuthorizationMiddleware.Invoke(HttpContext httpContext) in D:\work\天助网平台\TzCloudV2\MvcExtensions\TzCloud.Extensions.ApiAuthorization\APIAuthorizationMiddleware.cs:line 56 at TzCloud.Extensions.Exceptions.APIExceptionMiddleware.Invoke(HttpContext httpContext) in D:\work\天助网平台\TzCloudV2\MvcExtensions\TzCloud.Extensions.ApiException\APIExceptionMiddleware.cs:line 30