Failed jobs do not become expired to allow you to re-queue them without any
time pressure. You should re-queue or delete them manually, or apply AutomaticRetry(OnAttemptsExceeded = AttemptsExceededAction.Delete)
attribute to delete them automatically.
An exception occurred during performance of the job. Fewer details...
09/01/2026 16:07:14
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (educational:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.Educational.GrpcEducationalClientService.ProcessOutboxEvents(GrpcRequestinput) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\Educational\GrpcEducationalClientService.cs:line 94
at OutboxDispatchJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Educational\OutboxDispatchJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 16:05:13
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (integration:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (integration:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (integration:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (integration:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (integration:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.GrpcIntegrationService.ProcessSimahInstantUpdate(GrpcRequestrequest) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\GrpcIntegrationService.cs:line 87
at SimahInstantUpdateProcessingService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Integration\SimahInstantUpdateProcessingService.cs:line 19
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 16:05:11
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (notification:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (notification:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (notification:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (notification:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (notification:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.GrpcAdminNotificationService.ExecuteAdminDispatch(AdminGrpcRequestrequest) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\GrpcAdminNotificationService.cs:line 38
at DispatchAdminNotificationJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Notifications\DispatchAdminNotificationJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 16:05:09
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (educational:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.Educational.GrpcEducationalClientService.ProcessOutboxEvents(GrpcRequestinput) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\Educational\GrpcEducationalClientService.cs:line 94
at OutboxDispatchJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Educational\OutboxDispatchJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 16:02:12
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (notification:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (notification:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (notification:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (notification:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (notification:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.GrpcAdminNotificationService.ExecuteAdminDispatch(AdminGrpcRequestrequest) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\GrpcAdminNotificationService.cs:line 38
at DispatchAdminNotificationJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Notifications\DispatchAdminNotificationJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 16:02:07
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (educational:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.Educational.GrpcEducationalClientService.ProcessOutboxEvents(GrpcRequestinput) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\Educational\GrpcEducationalClientService.cs:line 94
at OutboxDispatchJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Educational\OutboxDispatchJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 15:59:11
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (notification:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (notification:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (notification:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (notification:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (notification:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.GrpcAdminNotificationService.ExecuteAdminDispatch(AdminGrpcRequestrequest) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\GrpcAdminNotificationService.cs:line 38
at DispatchAdminNotificationJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Notifications\DispatchAdminNotificationJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 15:59:09
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (educational:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.Educational.GrpcEducationalClientService.ProcessOutboxEvents(GrpcRequestinput) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\Educational\GrpcEducationalClientService.cs:line 94
at OutboxDispatchJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Educational\OutboxDispatchJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 15:56:26
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (notification:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (notification:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (notification:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (notification:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (notification:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.GrpcAdminNotificationService.ExecuteAdminDispatch(AdminGrpcRequestrequest) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\GrpcAdminNotificationService.cs:line 38
at DispatchAdminNotificationJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Notifications\DispatchAdminNotificationJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)
An exception occurred during performance of the job. More details...
09/01/2026 15:56:23
Grpc.Core.RpcException
Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)")
Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: No such host is known. (educational:80) SocketException: No such host is known.", DebugException="System.Net.Http.HttpRequestException: No such host is known. (educational:80)") ---> System.Net.Http.HttpRequestException: No such host is known. (educational:80) ---> System.Net.Sockets.SocketException: No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16token)
at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgssaea, ValueTaskconnectTask, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(Stringhost, Int32port, HttpRequestMessageinitialRequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(QueueItemqueueItem)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationTokencancellationToken)
at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessagerequest, Booleanasync, BooleandoRequestAuth, CancellationTokencancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessagerequest, Booleanasync, CancellationTokencancellationToken)
at Grpc.Net.Client.Web.GrpcWebHandler.SendAsyncCore(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Balancer.Internal.BalancerHttpHandler.SendAsync(HttpRequestMessagerequest, CancellationTokencancellationToken)
at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessagerequest, Nullable`1timeout)
--- End of inner exception stack trace ---
at Grpc.Net.Client.Internal.GrpcCall`2.GetResponseHeadersCoreAsync()
at Madarak.Configurations.Interceptor.GrpcClientInterceptor.LogResponseAsync[TResponse](Task`1responseTask, StringmethodName, Stopwatchstopwatch)
at Gateway.Services.GrpcServices.Services.Educational.GrpcEducationalClientService.ProcessOutboxEvents(GrpcRequestinput) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\GrpcServices\Services\Educational\GrpcEducationalClientService.cs:line 94
at OutboxDispatchJobService.ExecuteAsync(Int32pageSize) in C:\Users\abdal\source\repos\Madarak-Backend\Madark-HangFire\Madark-HangFire\Hangfire\Jobs\Educational\OutboxDispatchJobService.cs:line 18
at InvokeStub_TaskAwaiter.GetResult(Object,Object, IntPtr*)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Objectobj, BindingFlagsinvokeAttr)