Job set up to poll a repot every minute.
Every now and then, an ArrayOutOfBoundsException occurs after syncing with the perforce repository.

From build log:
---------------------------------
Started by an SCM change
Using master perforce client: macmini
[workspace] $ /opt/bin/p4 workspace -o macmini
Saving modified client macmini
[workspace] $ /opt/bin/p4 -s client -i
Last sync'd change: 56181
[workspace] $ /opt/bin/p4 counter change
[workspace] $ /opt/bin/p4 -s changes //macmini/...@56182,@56186
[workspace] $ /opt/bin/p4 describe -s 56186
Sync'ing workspace to changelist 56186.
[workspace] $ /opt/bin/p4 sync //macmini/...@56186
Sync complete, took 808 ms
FATAL: -244189976
java.lang.ArrayIndexOutOfBoundsException: -244189976
at hudson.scm.SCM.calcRevisionsFromBuild(SCM.java)
at hudson.scm.SCM._calcRevisionsFromBuild(SCM.java:301)
at hudson.model.AbstractProject.calcPollingBaseline(AbstractProject.java:1056)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1045)
at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:479)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:411)
at hudson.model.Run.run(Run.java:1241)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:124)
---------------------------------