No cvs polling seems to be working:

Started on 20-Jun-2012 14:22:10
ERROR: Failed to record SCM polling for hudson.model.FreeStyleProject@75222b8e[]
java.lang.NullPointerException
at jenkins.model.Jenkins.getInstance(Jenkins.java:694)
at hudson.model.Run.getCharacteristicEnvVars(Run.java:1947)
at hudson.model.Run.getEnvironment(Run.java:1906)
at hudson.model.AbstractBuild.getEnvironment(AbstractBuild.java:843)
at hudson.scm.CVSSCM.compareRemoteRevisionWith(CVSSCM.java:284)
at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:356)
at hudson.scm.SCM.poll(SCM.java:373)
at hudson.model.AbstractProject.poll(AbstractProject.java:1370)
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(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)