Randomly arises strange error on connect NETProvider 8.5.4.0 to Fb 4.0.1 Error writing data to the connection

[andrewkip]

FirebirdSql.Data.FirebirdClient.FbException (0x80004005): Error writing data to the connection.
Error reading data from the connection. ---> FirebirdSql.Data.Common.IscException: Error writing data to the connection.
Error reading data from the connection. ---> System.IO.IOException: Missing 4 bytes to fill total 4.
в FirebirdSql.Data.Client.Managed.XdrReaderWriter.ReadBytes(Byte[] buffer, Int32 count)
в FirebirdSql.Data.Client.Managed.XdrReaderWriter.ReadOperation()
в FirebirdSql.Data.Client.Managed.AuthBlock.ProcessContAuthResponse(IXdrReader xdr)
в FirebirdSql.Data.Client.Managed.GdsConnection.Identify(String database)
--- Конец трассировки внутреннего стека исключений ---
в FirebirdSql.Data.Client.Managed.GdsConnection.Identify(String database)
в FirebirdSql.Data.Client.ClientFactory.CreateManagedDatabase(ConnectionString options)
в FirebirdSql.Data.Client.ClientFactory.CreateDatabase(ConnectionString options)
в FirebirdSql.Data.FirebirdClient.FbConnectionInternal.Connect()
в FirebirdSql.Data.FirebirdClient.FbConnectionInternal.Connect()
в FirebirdSql.Data.FirebirdClient.FbConnection.Open()

[cincuranet]

Can you replicate it?

[andrewkip]

Can you replicate it?

I'll try

[andrewkip]

The error has gone - antivirus Esset is under suspicion.

Sorry.

[cincuranet]

OK. In case it returns and you have some way to simulate it, let me know.