read tcp 127.0.0.1:1883->127.0.0.1:53336: use of closed network connection

[aureolex]

when client disconnect , hmq got "read tcp 127.0.0.1:1883->127.0.0.1:53336: use of closed network connection" hmq debug :

 {"level":"error","timestamp":"2020-07-17T11:19:07.308+0800","logger":"broker","caller":"broker/client.go:147","msg":"read packet error: ","error":"read tcp 127.0.0.1:1883->127.0.0.1:53336: use of closed network connection","ClientID":"spuerClientId001","stacktrace":"github.com/fhmq/hmq/broker.(*client).readLoop\n\t/Users/aureso/Documents/goproject/hsbmqtt/broker/client.go:147\ngithub.com/fhmq/hmq/broker.(*Broker).handleConnection\n\t/Users/aureso/Documents/goproject/hsbmqtt/broker/broker.go:371"}

my debug code in client.go after line 141:

			fmt.Println(nc)
			fmt.Println(c.status)
			packet, err := packets.ReadPacket(nc)
			if err != nil {
				log.Error("read packet error: ", zap.Error(err), zap.String("ClientID", c.info.clientID))
				msg := &Message{
					client: c,
					packet: DisconnectdPacket,
				}
				b.SubmitWork(c.info.clientID, msg)
				return
			}

c.status always 1，so i think code

packet, err := packets.ReadPacket(nc)
			if err != nil {
				log.Error("read packet error: ", zap.Error(err), zap.String("ClientID", c.info.clientID))
				msg := &Message{
					client: c,
					packet: DisconnectdPacket,
				}
				b.SubmitWork(c.info.clientID, msg)
				return
			}

never normal for Disconnect action

[jzhenxing]

I just changed this error message to a readable information message.

　　　if err != nil {
			if err == io.EOF {
				log.Info("TCP Connection Closed", zap.String("ClientID", c.info.clientID))
			} else {
				log.Error("read packet error: ", zap.Error(err), zap.String("ClientID", c.info.clientID))
			}
			msg := &Message{
				client: c,
				packet: DisconnectedPacket,
			}
			b.SubmitWork(c.info.clientID, msg)
			return
		}

[avlo]

anyone know/find fix for above issue? i tried @jzhenxing quick fix above, but still same error when attempting to to mqtt_pub to broker.