2024-01-30 19:13:39.8729 Error DatabaseTarget(Name=db): Error when writing to database. Exception: MySql.Data.MySqlClient.MySqlException (0x80004005): Unable to connect to any of the specified MySQL hosts.
 ---> System.Net.Sockets.SocketException (111): Connection refused
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.CreateException(SocketError error, Boolean forAsyncThrow)
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ConnectAsync(Socket socket)
   at System.Net.Sockets.Socket.ConnectAsync(EndPoint remoteEP, CancellationToken cancellationToken)
   at System.Net.Sockets.Socket.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)
   at System.Net.Sockets.Socket.ConnectAsync(String host, Int32 port)
   at System.Net.Sockets.TcpClient.ConnectAsync(String host, Int32 port)
   at MySql.Data.Common.StreamCreator.GetTcpStreamAsync(MySqlConnectionStringBuilder settings, CancellationToken cancellationToken, Boolean execAsync)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.Common.StreamCreator.GetTcpStreamAsync(MySqlConnectionStringBuilder settings, CancellationToken cancellationToken, Boolean execAsync)
   at MySql.Data.Common.StreamCreator.GetStreamAsync(MySqlConnectionStringBuilder settings, CancellationToken cancellationToken, Boolean execAsync)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.Common.StreamCreator.GetStreamAsync(MySqlConnectionStringBuilder settings, CancellationToken cancellationToken, Boolean execAsync)
   at MySql.Data.MySqlClient.NativeDriver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.MySqlClient.NativeDriver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.MySqlClient.Driver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.CreateAsync(MySqlConnectionStringBuilder settings, Boolean execAsync, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.MySqlClient.Driver.CreateAsync(MySqlConnectionStringBuilder settings, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.GetPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.MySqlClient.MySqlPool.GetPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.TryToGetDriverAsync(Boolean execAsync, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.MySqlClient.MySqlPool.TryToGetDriverAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.GetConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.MySqlClient.MySqlPool.GetConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlConnection.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at MySql.Data.MySqlClient.MySqlConnection.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlConnection.Open()
   at NLog.Targets.DatabaseTarget.OpenConnection(String connectionString, LogEventInfo logEventInfo)
   at NLog.Targets.DatabaseTarget.EnsureConnectionOpen(String connectionString, LogEventInfo logEventInfo)
   at NLog.Targets.DatabaseTarget.WriteLogEventSuppressTransactionScope(LogEventInfo logEvent, String connectionString)
   at NLog.Targets.DatabaseTarget.Write(LogEventInfo logEvent)
   at NLog.Targets.Target.Write(AsyncLogEventInfo logEvent)
   at NLog.Targets.Target.WriteAsyncThreadSafe(AsyncLogEventInfo logEvent)
   at NLog.Targets.Target.WriteAsyncLogEvent(AsyncLogEventInfo logEvent)
   at NLog.LoggerImpl.WriteToTargetWithFilterChain(Target target, FilterResult result, LogEventInfo logEvent, AsyncContinuation onException)
   at NLog.LoggerImpl.Write(Type loggerType, TargetWithFilterChain targetsForLevel, LogEventInfo logEvent, LogFactory logFactory)
   at NLog.Logger.WriteToTargets(Type wrapperType, LogEventInfo logEvent, TargetWithFilterChain targetsForLevel)
   at NLog.Logger.Log(Type wrapperType, LogEventInfo logEvent)
   at NLog.Extensions.Logging.NLogLogger.Log[TState](LogLevel logLevel, EventId eventId, TState state, Exception exception, Func`3 formatter)
   at Microsoft.Extensions.Logging.Logger.<Log>g__LoggerLog|13_0[TState](LogLevel logLevel, EventId eventId, ILogger logger, Exception exception, Func`3 formatter, List`1& exceptions, TState& state)
   at Microsoft.Extensions.Logging.Logger.Log[TState](LogLevel logLevel, EventId eventId, TState state, Exception exception, Func`3 formatter)
   at Hangfire.AspNetCore.AspNetCoreLog.Log(LogLevel logLevel, Func`1 messageFunc, Exception exception)
   at Hangfire.Logging.LogExtensions.ErrorException(ILog logger, String message, Exception exception)
   at Hangfire.Processing.BackgroundExecution.ToFailedState(Exception exception, TimeSpan& retryDelay)
   at Hangfire.Processing.BackgroundExecution.HandleException(Guid executionId, Exception exception, TimeSpan& delay)
   at Hangfire.Processing.BackgroundExecution.Run(Action`2 callback, Object state)
   at Hangfire.Processing.BackgroundDispatcher.DispatchLoop()
--- End of stack trace from previous location ---
   at System.Net.Sockets.TcpClient.CompleteConnectAsync(Task task)
   at MySql.Data.MySqlClient.NativeDriver.<>c.<OpenAsync>b__38_0(Exception ex)
   at System.AggregateException.Handle(Func`2 predicate)
   at MySql.Data.MySqlClient.NativeDriver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.CreateAsync(MySqlConnectionStringBuilder settings, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.CreateAsync(MySqlConnectionStringBuilder settings, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.GetPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.TryToGetDriverAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.GetConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlConnection.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlConnection.Open()
   at NLog.Targets.DatabaseTarget.OpenConnection(String connectionString, LogEventInfo logEventInfo)
   at NLog.Targets.DatabaseTarget.EnsureConnectionOpen(String connectionString, LogEventInfo logEventInfo)
   at NLog.Targets.DatabaseTarget.WriteLogEventSuppressTransactionScope(LogEventInfo logEvent, String connectionString)
2024-01-30 19:13:53.8988 Error DatabaseTarget(Name=db): Error when writing to database. Exception: MySql.Data.MySqlClient.MySqlException (0x80004005): Unable to connect to any of the specified MySQL hosts.
 ---> System.Net.Sockets.SocketException (111): Connection refused
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)
   at System.Threading.Tasks.ValueTask.ValueTaskSourceAsTask.<>c.<.cctor>b__4_0(Object state)
--- End of stack trace from previous location ---
   at System.Net.Sockets.TcpClient.CompleteConnectAsync(Task task)
   at MySql.Data.MySqlClient.NativeDriver.<>c.<OpenAsync>b__38_0(Exception ex)
   at System.AggregateException.Handle(Func`2 predicate)
   at MySql.Data.MySqlClient.NativeDriver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.CreateAsync(MySqlConnectionStringBuilder settings, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.CreateAsync(MySqlConnectionStringBuilder settings, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.GetPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.TryToGetDriverAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.GetConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlConnection.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlConnection.Open()
   at NLog.Targets.DatabaseTarget.OpenConnection(String connectionString, LogEventInfo logEventInfo)
   at NLog.Targets.DatabaseTarget.EnsureConnectionOpen(String connectionString, LogEventInfo logEventInfo)
   at NLog.Targets.DatabaseTarget.WriteLogEventSuppressTransactionScope(LogEventInfo logEvent, String connectionString)
2024-01-30 19:13:53.8988 Error DatabaseTarget(Name=db): Error when writing to database. Exception: MySql.Data.MySqlClient.MySqlException (0x80004005): Unable to connect to any of the specified MySQL hosts.
 ---> System.Net.Sockets.SocketException (111): Connection refused
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)
   at System.Threading.Tasks.ValueTask.ValueTaskSourceAsTask.<>c.<.cctor>b__4_0(Object state)
--- End of stack trace from previous location ---
   at System.Net.Sockets.TcpClient.CompleteConnectAsync(Task task)
   at MySql.Data.MySqlClient.NativeDriver.<>c.<OpenAsync>b__38_0(Exception ex)
   at System.AggregateException.Handle(Func`2 predicate)
   at MySql.Data.MySqlClient.NativeDriver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.CreateAsync(MySqlConnectionStringBuilder settings, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.Driver.CreateAsync(MySqlConnectionStringBuilder settings, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.GetPooledConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.TryToGetDriverAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlPool.GetConnectionAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlConnection.OpenAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlConnection.Open()
   at NLog.Targets.DatabaseTarget.OpenConnection(String connectionString, LogEventInfo logEventInfo)
   at NLog.Targets.DatabaseTarget.EnsureConnectionOpen(String connectionString, LogEventInfo logEventInfo)
   at NLog.Targets.DatabaseTarget.WriteLogEventSuppressTransactionScope(LogEventInfo logEvent, String connectionString)