After a start and running over a night i observed the following message in the window i started Hudson from via java -jar hudson-1.349.war
Mar 31, 2010 2:01:53 AM hudson.model.AsyncPeriodicWork$1 run
INFO: Started Fingerprint cleanup
Exception in thread "Fingerprint cleanup thread" java.lang.NullPointerException
at hudson.model.Fingerprint.isAlive(Fingerprint.java:686)
at hudson.model.FingerprintCleanupThread.check(FingerprintCleanupThread.java:101)
at hudson.model.FingerprintCleanupThread.execute(FingerprintCleanupThread.java:73)
at hudson.model.AsyncPeriodicWork$1.run(AsyncPeriodicWork.java:51)
at java.lang.Thread.run(Thread.java:619)
I have a configuration where are many modules defined (about 100) and every module turned on recording of the fingerprint for every artifact.