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Based on the qt MQTT application server connection is not on ali?
Time:10-05
Why programs downloaded from the https://github.com/emqtt/qmqtt-client server connection is not on ali?
QAbstractSocket: : connectToHost () called the when already & up or connecting/connected to ""
CodePudding user response:
The same answer, that is the source code of website (https://doc.qt.io/QtMQTT/), also is connected not ali cloud server, password and user name is correct, protocol version is also write QMqttClient: : MQTT_5_0,