StackExchange.Redis.RedisConnectionException: It was not possible to connect to the redis server(s); to create a disconnected multiplexer, disable AbortOnConnectFail. Timeout
   at StackExchange.Redis.ConnectionMultiplexer.ConnectImpl(Func`1 multiplexerFactory, TextWriter log)
   at Microsoft.Extensions.Caching.Redis.RedisCache.Connect()
   at Microsoft.Extensions.Caching.Redis.RedisCache.GetAndRefresh(String key, Boolean getData)

private static ConnectionMultiplexer ConnectImpl(Func<ConnectionMultiplexer> multiplexerFactory, TextWriter log)
{
    IDisposable killMe = null;
    try
    {
        var muxer = multiplexerFactory();
        killMe = muxer;
        // note that task has timeouts internally, so it might take *just over* the regular timeout
        var task = muxer.ReconfigureAsync(true, false, log, null, "connect");

        if (!task.Wait(muxer.SyncConnectTimeout(true)))
        {
            task.ObserveErrors();
            if (muxer.RawConfig.AbortOnConnectFail)
            {
                throw ExceptionFactory.UnableToConnect("Timeout");
            }
        }
        if (!task.Result) throw ExceptionFactory.UnableToConnect(muxer.failureMessage);
        killMe = null;
        return muxer;
    }
    finally
    {
        if (killMe != null) try { killMe.Dispose(); } catch { }
    }
}