Upgrading plugins from HiveMQ 3.x to HiveMQ 4

Owned by Sheetal Shet, created
Last updated: May 24, 2023
1 min read

Question

How can the following plugins be upgraded from HiveMQ 3 to HiveMQ 4?

  • hivemq-sys-topic-plugin-3.0.0.jar

  • jvm-metrics-plugin-3.1.0.jar etc. 

Answer

  1.  jvm-metrics-plugin-3.1.0.jar plugin: HiveMQ 4, by default, exposes all JMX metrics on remote port 9010, and the customer can monitor them using the monitoring tools. Hence this plugin is deprecated and is not required anymore.

  2. hivemq-sys-topic-plugin-3.0.0.jar plugin: HiveMQ 4 does not support $SYS topics for security reasons. Hence this plugin is not supported with HiveMQ 4.