c# - 由于未处理的异常，该进程被终止。ews 中的 System.Net.HttpWebRequest.GetResponse() 异常

问题描述

大家好，我遇到了这个例外，它正在停止我的服务。请帮助以下是完整的堆栈跟踪。

说明：进程因未处理的异常而终止。异常信息：Microsoft.Exchange.WebServices.Data.EwsHttpWebRequest.Microsoft.Exchange.WebServices.Data.IEwsHttpWebRequest.GetResponse() 的 System.Net.HttpWebRequest.GetResponse() 的 Microsoft.Exchange.WebServices.Data 的 System.Net.WebException .ServiceRequestBase.GetEwsHttpWebResponse（Microsoft.Exchange.WebServices.Data.IEwsHttpWebRequest）

异常信息：Microsoft.Exchange.WebServices.Data.ServiceRequestBase.GetEwsHttpWebResponse(Microsoft.Exchange.WebServices.Data.IEwsHttpWebRequest) 的 Microsoft.Exchange.WebServices.Data.ServiceRequestException (Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ValidateAndEmitRequest) Exchange.WebServices.Data.IEwsHttpWebRequest ByRef) 在 Microsoft.Exchange.WebServices.Data.HangingServiceRequestBase.InternalExecute() 在 Microsoft.Exchange.WebServices.Data.StreamingSubscriptionConnection.Open() 在 ERSupportGetOutlookEmail.EmailExchange.OnDisconnect(System.Object, Microsoft。 Exchange.WebServices.Data.SubscriptionErrorEventArgs) 在 Microsoft.Exchange.WebServices.Data.StreamingSubscriptionConnection.InternalOnDisconnect(System.Exception) 在 Microsoft.Exchange.WebServices.Data.StreamingSubscriptionConnection.OnRequestDisconnect(System.对象，Microsoft.Exchange.WebServices.Data.HangingServiceRequestBase.InternalOnDisconnect(Microsoft.Exchange.WebServices.Data.HangingRequestDisconnectReason, System.Exception) 在 Microsoft.Exchange.WebServices.Data.GetStreamingEventsResponse 的对象，Microsoft.Exchange.WebServices.Data.HangingRequestDisconnectEventArgs。 ReadElementsFromXml(Microsoft.Exchange.WebServices.Data.EwsServiceXmlReader) 在 Microsoft.Exchange.WebServices.Data.ServiceResponse.LoadFromXml(Microsoft.Exchange.WebServices.Data.EwsServiceXmlReader, System.String) 在 Microsoft.Exchange.WebServices.Data.GetStreamingEventsRequest。 Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ReadResponse(Microsoft.Exchange.WebServices.Data.EwsServiceXmlReader) 的 Microsoft.Exchange.WebServices.Data 的 ParseResponse(Microsoft.Exchange.WebServices.Data.EwsServiceXmlReader)。HangingServiceRequestBase.ParseResponses(System.Object) 在 System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(System.Object) 在 System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) 在 System .Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) 在 System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() 在 System.Threading.ThreadPoolWorkQueue.Dispatch( ) 在 System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()ContextCallback, System.Object, Boolean) 在 System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) 在 System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem( ) 在 System.Threading.ThreadPoolWorkQueue.Dispatch() 在 System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()ContextCallback, System.Object, Boolean) 在 System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) 在 System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem( ) 在 System.Threading.ThreadPoolWorkQueue.Dispatch() 在 System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()

这是我的代码，请查看

            public async System.Threading.Tasks.Task Watch()
            {
                //Configuration options for a public client application (desktop/mobile app)
                var pcaOptions = new PublicClientApplicationOptions
                {
                    ClientId = ConfigurationManager.AppSettings["appId"],
                    TenantId = ConfigurationManager.AppSettings["tenantId"]
                };

                //Creates a PublicClientApplicationBuilder from a clientID.
                var pca = PublicClientApplicationBuilder
                .CreateWithApplicationOptions(pcaOptions).Build();

                //access permission.
                var ewsScopes = new string[] { "https://outlook.office.com/EWS.AccessAsUser.All" };

                try
                {

                    // Make the interactive token request
                    var authResult = await pca.AcquireTokenByUsernamePassword(ewsScopes, EmailID, ConvertToSecureString(Password)).ExecuteAsync();
                    //var authResult = await pca.AcquireTokenInteractive(ewsScopes).ExecuteAsync();

                    // Configure the ExchangeService with the access token
                    ewsClient = new ExchangeService();
                    ewsClient.Url = new Uri("https://outlook.office365.com/EWS/Exchange.asmx");
                    ewsClient.Credentials = new OAuthCredentials(authResult.AccessToken);
                   
                    Console.WriteLine("New Email details will display below:-");
                    // Make an EWS call                                
                    CreateStreamingSubscription(); //Creating subscription.               
                }
                catch (MsalException ex)
                {
                    Email.onErrorOccur(ex.Message, "EmailExchange Watch event MsalException", ex.StackTrace);                    
                }
                catch (Exception ex)
                {
                    Email.onErrorOccur(ex.Message, "EmailExchange Watch event", ex.StackTrace);                    
                }

            }

标签： c#outlookconsole-applicationthreadpoolexchangewebservices

c# - 由于未处理的异常，该进程被终止。ews 中的 System.Net.HttpWebRequest.GetResponse() 异常

问题描述

解决方案

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