I upgraded Jenkins and the MercurialSCM plugin yesterday to version 1.41 and now it crashes when trying to poll our repository.

Started on 2012-nov-06 10:06:07
ERROR: Failed to record SCM polling for hudson.model.FreeStyleProject@114d662[everything_but_bundle]
java.lang.ArrayIndexOutOfBoundsException: 1
at hudson.Launcher$2.launch(Launcher.java:712)
at hudson.Launcher$ProcStarter.start(Launcher.java:346)
at hudson.plugins.mercurial.MercurialSCM.joinWithPossibleTimeout(MercurialSCM.java:309)
at hudson.plugins.mercurial.MercurialSCM.pull(MercurialSCM.java:303)
at hudson.plugins.mercurial.MercurialSCM.compareRemoteRevisionWith(MercurialSCM.java:252)
at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:356)
at hudson.scm.SCM.poll(SCM.java:373)
at hudson.model.AbstractProject._poll(AbstractProject.java:1471)
at hudson.model.AbstractProject.poll(AbstractProject.java:1404)
at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:420)
at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:449)
at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)