Hudson ver. 1.111 on WinXP

23-Jun-2007 11:06:56 hudson.model.PeriodicWork$1 run
INFO: Started Fingerprint cleanup
Exception in thread "Fingerprint cleanup thread" java.lang.NullPointerException
at hudson.model.Fingerprint$BuildPtr.access$100(Fingerprint.java:35)
at hudson.model.Fingerprint.isAlive(Fingerprint.java:460)
at
hudson.model.FingerprintCleanupThread.check(FingerprintCleanupThread.java:71)
at
hudson.model.FingerprintCleanupThread.execute(FingerprintCleanupThread.java:43)
at hudson.model.PeriodicWork$1.run(PeriodicWork.java:40)
at java.lang.Thread.run(Thread.java:619)