Null pointer exception on stable-2.387 CI job

[MarkEWaite]

Service(s)

ci.jenkins.io

Summary

The stable-2.387 branch on ci.jenkins.io is reporting a null pointer exception as it ends.

03:23:22  [Pipeline] End of Pipeline
03:23:22  java.lang.NullPointerException: Cannot invoke method replace() on null object
03:23:22  	at org.codehaus.groovy.runtime.NullObject.invokeMethod(NullObject.java:91)
03:23:22  	at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:47)
03:23:22  	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
03:23:22  	at org.codehaus.groovy.runtime.callsite.NullCallSite.call(NullCallSite.java:34)
03:23:22  	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
03:23:22  	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)
03:23:22  	at com.cloudbees.groovy.cps.sandbox.DefaultInvoker.methodCall(DefaultInvoker.java:20)
03:23:22  	at infra.withArtifactCachingProxy(infra.groovy:127)
03:23:22  	at ___cps.transform___(Native Method)

Reproduction steps

1. Open the build log and confirm it is reporting a null pointer exception

[lemeurherve]

This job is a replay I've started to test jenkins-infra/pipeline-library#592 on Jenkins Core, still a work in progress but this should not affect other builds on this branch (if any).

The previous "normal" build on this branch is OK.