HA内置MQTT报错，Nodered不能连接，MQTT.fx能连接，何故呢？先...

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Invalid connection from (client @=127.0.0.1:51720) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:31 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51710) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:31 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51701) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:31 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51693) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:30 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51688) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:30 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51678) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:30 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51671) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:30 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51664) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:29 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51659) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:29 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51648) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:29 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51635) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:29 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51626) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:28 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51620) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:28 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51614) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:28 util/async_.py (ERROR)
Invalid connection from (client @=127.0.0.1:51607) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:28 util/async_.py (ERROR)
Invalid connection from (client @=192.168.31.1:49185) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:28 util/async_.py (ERROR)
Invalid connection from (client @=192.168.31.1:49176) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:27 util/async_.py (ERROR)
Invalid connection from (client @=192.168.31.1:49171) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:27 util/async_.py (ERROR)
Invalid connection from (client @=192.168.31.1:49161) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:27 util/async_.py (ERROR)
Invalid connection from (client @=218.91.245.173:41101) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:27 util/async_.py (ERROR)
Invalid connection from (client @=192.168.31.1:49156) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:27 util/async_.py (ERROR)
Invalid connection from (client @=192.168.31.1:49147) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:26 util/async_.py (ERROR)
Invalid connection from (client @=192.168.31.1:49130) : [MQTT-3.1.2-1] Incorrect protocol name: "MQIsdp"
[color=var(--paper-item-body-secondary-color, var(--secondary-text-color))]上午2:26 util/async_.py (ERROR)

猫叔

希望作者能更新现在内置mqtt的使用方法

jayking0912

之前我也遇到这个问题，你看下nodered 是不是勾了 mqtt3.1，把这个钩要去掉

dabase

谢谢提醒!!!