Per the "Upgrading Jenkins Java version from 8 to 11" page [1]: > All agents must be running on the same JVM version as the master (because of > how masters and agents communicate). If you're upgrading your Jenkins master > to run on Java 11, you also need to upgrade the JVM on your agents.
Per the "Java requirements" page [2]: > If you use Swarm Plugin to create agents, JRE version must be equal to the > version of the master Why is there a requirement for agents to be running on the same JRE version as the master? Is this because backwards-incompatible changes have been made to serializable classes in the Java 11 runtime? If so, could someone please elaborate? Thanks, Basil [1] https://jenkins.io/doc/administration/requirements/upgrade-java-guidelines/ [2] https://jenkins.io/doc/administration/requirements/java/ -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/CAFwNDjqajNX-EDiX2a2UsLfufn1jCa5jpEx3gD%3DWk%2BkYGiNQyA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
