ClassNotFoundException During Build of a Maven Job

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

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