Issue

After migrating to CloudBees Jenkins Enterprise from Jenkins some Build Pipeline jobs do not load.  The following stack trace is shown:

java.lang.ClassCastException: java.lang.Integer cannot be cast to hudson.model.Action
at hudson.model.Run.onLoad(Run.java:340)
at hudson.model.RunMap.retrieve(RunMap.java:219)
at hudson.model.RunMap.retrieve(RunMap.java:56)
at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:690)
at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:652)
at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:382)
at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:74)
at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.next(LazyLoadRunMapEntrySet.java:63)
at java.util.AbstractMap$2$1.next(AbstractMap.java:385)

Environment

CloudBees Jenkins Enterprise

Build Pipeline Plugin >= v1.4.6

Resolution

Downgrade the Build Pipeline Plugin to v1.4.5 as a workaround to avoid this issue.