Issue

Running a maven job causes a ClassNotFoundException

Environment

• CloudBees Jenkins Enterprise - Managed Master (CJEMM)
• CloudBees Jenkins Enterprise- Operations Center (CJEOC)
• CloudBees Jenkins Team (CJT)
• CloudBees Jenkins Platform - Client Master (CJPCM)
• CloudBees Jenkins Platform - Operations Center (CJPOC)
• Jenkins

Diagnostic

In the console output of the job it shows:

Exception in thread "main" java.lang.ClassNotFoundException: hudson.remoting.Launcher

Resolution

Ensure that the agent.jar file is not removed or deleted from the agent machine during the clean up step of the build.