Issue

Pipeline jobs spam the log with the following exception:

java.lang.NoClassDefFoundError: org/jenkinsci/plugins/workflow/support/steps/input/InputAction

Environment

• CloudBees Core on modern cloud platforms - Managed Master
• CloudBees Core on traditional platforms - Client Master
• CloudBees Jenkins Enterprise - Managed Master
• CloudBees Jenkins Platform - Client Master
• CloudBees Jenkins Distribution
• Jenkins LTS
• Pipeline: Stage View Plugin < 1.3

Resolution

The bug is related to the Pipeline: Stage View Plugin.
You have to upgrade this plugin to 1.3 or higher.

References