October 25, 2020
i wrote a java application to subscribe to a channel, i am able to send data using and application via mqtt, now what is need is to trigger an accion every time any channel field change value i need to push that value into a bd table, but for now i want to print it on console.
i really dont understand how to trigger an action from the broker, my subscriber desktop application works well be i dont see anything on console. someone can help me please???
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