Issue

• After upgrading Gerrit Plugin to version 2.34, the Jenkins controller becomes increasingly slow and unresponsive and need to be restarted quite often.

Environment

• CloudBees CI (CloudBees Core)
• CloudBees CI (CloudBees Core) on modern cloud platforms - Managed controller
• CloudBees CI (CloudBees Core) on modern cloud platforms - Operations Center
• CloudBees CI (CloudBees Core) on traditional platforms - Client controller
• CloudBees CI (CloudBees Core) on traditional platforms - Operations Center
• CloudBees Jenkins Platform - Client controller
• CloudBees Jenkins Platform - Operations Center
• Gerrit Trigger Plugin 2.34

Related Issue(s)

• JENKINS-65771: Memory leak with gerrit-trigger plugin installed

Resolution

The Jenkins Test harness jar has been mistakenly included in the version 2.34 of Gerrit Plugin 2.34, which cause a significant memory leak in Jenkins.

The solution is to upgrade the Gerrit Trigger Plugin to version 2.35 or later.