Versions Node Monitors

This plugin offers two node monitors:

  • Remoting Version

  • JVM Version

Remoting Version Node Monitor

Note
The remoting module handles the network connection between the Jenkins master and agents.

This monitor will disconnect an agent if it is not running the same version of remoting library as the version on the Jenkins master.

JVM Version Node Monitor

This monitor offers 3 levels of monitoring:

Level Description & Examples

Default

Agent must run a JVM whose major version is greater or equal than the one the master is running (strongly recommended minimum).

Even without this plugin, it is critical to the health of your Jenkins cluster that the agent JVM major version match the master JVM major version.

Examples:

  • Java 7 agent will be disconnected from a Java 8u222 master

  • Java 8u172 agent will not be disconnected from a Java 8u222 master

  • Java 8u222 agent will not be disconnected from a Java 8u172 master

  • Java 8u222 agent will not be disconnected from a Java 8u222 master

  • Java 11.03 agent will not be disconnected from a Java 8u222 master

  • Java 8u222 agent will be disconnected from a Java 11.03 master

  • Java 11.03 agent will not be disconnected from a Java 11.04 master

  • Java 11.04 agent will not be disconnected from a Java 11.04 master

Paranoid

Agent must run a JVM whose major.minor version is greater or equal to the master version (avoid issues already seen by users).

Examples:

  • Java 7 agent will be disconnected from a Java 8u222 master

  • Java 8u172 agent will be disconnected from a Java 8u222 master

  • Java 8u222 agent will not be disconnected from a Java 8u172 master

  • Java 8u222 agent will not be disconnected from a Java 8u222 master

  • Java 11.03 agent will not be disconnected from a Java 8u222 master

  • Java 8u222 agent will be disconnected from a Java 11.03 master

  • Java 11.03 agent will be disconnected from a Java 11.04 master

  • Java 11.04 agent will not be disconnected from a Java 11.04 master

Paranoid++

Agent must run a JVM whose version is exactly equal to the master version (most paranoid option)

Examples:

  • Java 7 agent will be disconnected from a Java 8u222 master

  • Java 8u172 agent will be disconnected from a Java 8u222 master

  • Java 8u222 agent will be disconnected from a Java 8u172 master

  • Java 8u222 agent will not be disconnected from a Java 8u222 master

  • Java 11.03 agent will be disconnected from a Java 8u222 master

  • Java 8u222 agent will be disconnected from a Java 11.03 master

  • Java 11.03 agent will be disconnected from a Java 11.04 master

  • Java 11.04 agent will not be disconnected from a Java 11.04 master

Configuration Page

Enable Versions Node Monitors