Error: Failed to discover initial endpoints

[gromanev]

Ydb.Sdk.Driver+InitializationFailureException: Failed to discover initial endpoints\n ---> Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Error starting gRPC call. HttpRequestException: Resource temporarily unavailable (***secret***) SocketException: Resource temporarily unavailable", DebugException="System.Net.Http.HttpRequestException: Resource temporarily unavailable (***secret***)\n ---> System.Net.Sockets.SocketException (11): Resource temporarily unavailable\n at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)\n at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)\n at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|277_0(AwaitableSocketAsyncEventArgs saea, ValueTask connectTask, CancellationToken cancellationToken)\n at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)\n --- End of inner exception stack trace ---\n at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)\n at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)\n at System.Net.Http.HttpConnectionPool.AddHttp2ConnectionAsync(HttpRequestMessage request)\n at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationToken cancellationToken)\n at System.Net.Http.HttpConnectionPool.GetHttp2ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)\n at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)\n at System.Net.Http.DiagnosticsHandler.SendAsyncCore(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)\n at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)\n at Grpc.Shared.TelemetryHeaderHandler.SendAsyncCore(HttpRequestMessage request, CancellationToken cancellationToken)\n at System.Net.Http.HttpMessageInvoker.<SendAsync>g__SendAsyncWithTelemetry|6_0(HttpMessageHandler handler, HttpRequestMessage request, CancellationToken cancellationToken)\n at Grpc.Net.Client.Internal.GrpcCall`2.RunCall(HttpRequestMessage request, Nullable`1 timeout)")\n at Ydb.Sdk.Driver.DiscoverEndpoints()\n at Ydb.Sdk.Driver.Initialize()\n --- End of inner exception stack trace ---\n at Ydb.Sdk.Driver.Initialize()

That is, if you could not initialize the connection, then only restarting the application will help.