Когда я создаю новый > asp.net core web api > какое-то местоположение >

создайте и нажмите "Отладка" без изменений, затем откроется браузер с URL-адресом https://localhost:7125/swagger. И он не открывается из-за ERR_CONNECTION_CLOSED. И в консоли .net я вижу
Код: Выделить всё
fail: Microsoft.AspNetCore.Server.Kestrel[0]
Unhandled exception while processing 0HN5MOO0P5675.
System.NullReferenceException: Object reference not set to an instance of an object.
at System.Buffer.Memmove(Byte& dest, Byte& src, UIntPtr len)
at System.Net.Security.SafeDeleteContext.AcceptSecurityContext(SafeFreeCredentials& inCredentials, SafeDeleteSslContext& refContext, ContextFlags inFlags, Endianness endianness, InputSecurityBuffers inSecBuffers, SecurityBuffer& outSecBuffer, ContextFlags& outFlags)
at System.Net.SSPISecureChannelType.AcceptSecurityContext(SafeFreeCredentials credential, SafeDeleteSslContext& context, InputSecurityBuffers inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer& outputBuffer, ContextFlags& outFlags)
at System.Net.Security.SslStreamPal.AcceptSecurityContext(SafeFreeCredentials& credentialsHandle, SafeDeleteSslContext& context, ReadOnlySpan`1 inputBuffer, Byte[]& outputBuffer, SslAuthenticationOptions sslAuthenticationOptions)
at System.Net.Security.SslStream.GenerateToken(ReadOnlySpan`1 inputBuffer, Byte[]& output)
at System.Net.Security.SslStream.NextMessage(ReadOnlySpan`1 incomingBuffer, ProtocolToken& token)
at System.Net.Security.SslStream.ProcessTlsFrame(Int32 frameSize, ProtocolToken& message)
at System.Net.Security.SslStream.ForceAuthenticationAsync[TIOAdapter](Boolean receiveFirst, Byte[] reAuthenticationData, CancellationToken cancellationToken)
at System.Net.Security.SslStream.ProcessAuthenticationWithTelemetryAsync(Boolean isAsync, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Server.Kestrel.Https.Internal.HttpsConnectionMiddleware.OnConnectionAsync(ConnectionContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure.KestrelConnection`1.ExecuteAsync()
fail: Microsoft.AspNetCore.Server.Kestrel[0]
Unhandled exception while processing 0HN5MOO0P5676.
System.NullReferenceException: Object reference not set to an instance of an object.
at System.Buffer.Memmove(Byte& dest, Byte& src, UIntPtr len)
at System.Net.Security.SafeDeleteContext.AcceptSecurityContext(SafeFreeCredentials& inCredentials, SafeDeleteSslContext& refContext, ContextFlags inFlags, Endianness endianness, InputSecurityBuffers inSecBuffers, SecurityBuffer& outSecBuffer, ContextFlags& outFlags)
at System.Net.SSPISecureChannelType.AcceptSecurityContext(SafeFreeCredentials credential, SafeDeleteSslContext& context, InputSecurityBuffers inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer& outputBuffer, ContextFlags& outFlags)
at System.Net.Security.SslStreamPal.AcceptSecurityContext(SafeFreeCredentials& credentialsHandle, SafeDeleteSslContext& context, ReadOnlySpan`1 inputBuffer, Byte[]& outputBuffer, SslAuthenticationOptions sslAuthenticationOptions)
at System.Net.Security.SslStream.GenerateToken(ReadOnlySpan`1 inputBuffer, Byte[]& output)
at System.Net.Security.SslStream.NextMessage(ReadOnlySpan`1 incomingBuffer, ProtocolToken& token)
at System.Net.Security.SslStream.ProcessTlsFrame(Int32 frameSize, ProtocolToken& message)
at System.Net.Security.SslStream.ForceAuthenticationAsync[TIOAdapter](Boolean receiveFirst, Byte[] reAuthenticationData, CancellationToken cancellationToken)
at System.Net.Security.SslStream.ProcessAuthenticationWithTelemetryAsync(Boolean isAsync, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Server.Kestrel.Https.Internal.HttpsConnectionMiddleware.OnConnectionAsync(ConnectionContext context)
Подробнее здесь: https://stackoverflow.com/questions/788 ... -api-excep