eclipse-paho / eclipse-paho/paho.mqtt.java
Still receive messgae though mqtt broker has stopped
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- Java
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Description
- [ ] Bug exists Release Version 1.2.3 ( Master Branch)
- [ ] Bug exists in MQTTv3 Client on Snapshot Version 1.2.4-SNAPSHOT (Develop Branch)
- [ ] Bug exists in MQTTv5 Client on Snapshot Version 1.2.3-SNAPSHOT (Develop Branch)
I don't know which classification my problem belongs to, because I just use paho mqtt in springboot where I can integrate paho mqtt with Maven tools. But it is indeed paho mqtt,like below:

My problem is that there is still mqtt messages printed by MqttCallback.messageArrived function though my mqtt broker has stopped. By the way, my mqtt broker is emqx broker 4.0.
What I want to know is that is there a message buffer in paho mqtt client ?
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