Received duplicate message “ExtendedListener” ，but “Listener” is right

fusesource / mqtt-client

A Java MQTT Client

http://mqtt-client.fusesource.org/

Apache License 2.0

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Closed smallverse closed 2 years ago

smallverse commented 4 years ago

pub & sub qos=2,implement the method shown in the figure， cannot manually ack, received duplicate message：

pub & sub qos=2,implement the method shown in the figure， manual ack，result is right：