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Java JMX monitoring tool

Monitor the Thingsboard Java application

To monitor Thingsboard application we will use the Visual VM The JMX have been enabled in docker-compose.yml with this line

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JAVA_OPTS: " -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9999 -Dcom.sun.management.jmxremote.rmi.port=9999 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=127.0.0.1"

Let’s forward JMX port from Thingsboard instance to the local machine

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ssh -L 9999:127.0.0.1:9999 thingsboard

Now we can connect with VisualVM to the Thingsboard application and discover the internals

Thingsboard JMX overview with VisualVM