dotnet ef database update error

dotnet : System.TimeoutException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after
a period of time, or established connection failed because connected host has failed to respond. ---> System.IO.IOException: Unable to read data from the transport connecti
on: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has fai
led to respond. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or establi
shed connection failed because connected host has failed to respond
At line:1 char:1
+ dotnet ef database update
+ ~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (System.TimeoutE...iled to respond:String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError

   at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
   at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)

   --- End of inner exception stack trace ---
   at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
   at MySql.Data.Common.MyNetworkStream.Read(Byte[] buffer, Int32 offset, Int32 count)
   --- End of inner exception stack trace ---
   at MySql.Data.Common.MyNetworkStream.Read(Byte[] buffer, Int32 offset, Int32 count)

   at MySql.Data.MySqlClient.TimedStream.Read(Byte[] buffer, Int32 offset, Int32 count)

   at MySql.Data.Common.BufferedStream.Read(Byte[] buffer, Int32 offset, Int32 count)


   at MySql.Data.MySqlClient.MySqlStream.ReadFully(Stream stream, Byte[] buffer, Int32 offset, Int32 count)


   at MySql.Data.MySqlClient.MySqlStream.LoadPacket()

   at MySql.Data.MySqlClient.MySqlStream.ReadPacket()

   at MySql.Data.MySqlClient.NativeDriver.Open()

   at MySql.Data.MySqlClient.Driver.Open()

   at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings)

   at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection()
   at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection()

   at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()

   at MySql.Data.MySqlClient.MySqlPool.GetConnection()

   at MySql.Data.MySqlClient.MySqlConnection.Open()

   at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.Open()

   at MySQL.Data.Entity.MySQLDatabaseCreator.Exists()

   at Microsoft.EntityFrameworkCore.Migrations.HistoryRepository.Exists()


   at Microsoft.EntityFrameworkCore.Migrations.Internal.Migrator.Migrate(String targetMigration)

   at Microsoft.EntityFrameworkCore.Design.Internal.MigrationsOperations.UpdateDatabase(String targetMigration, String contextType)

   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.UpdateDatabase.<>c__DisplayClass0_1.<.ctor>b__0()
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Action action)

Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established c
onnection failed because connected host has failed to respond.