In our hudson console we get lots of...

08-Jun-2009 13:45:57 hudson.Proc$LocalProc join
WARNING: Process leaked file descriptors. See
http://hudson.gotdns.com/wiki/display/JENKINS/Spawning+processes+from+build
for more information
java.lang.Exception
at hudson.Proc$LocalProc.join(Proc.java:156)
at hudson.scm.CVSSCM.run(CVSSCM.java:953)
at hudson.scm.CVSSCM.update(CVSSCM.java:524)
at hudson.scm.CVSSCM.pollChanges(CVSSCM.java:295)
at hudson.model.AbstractProject.pollSCMChanges(AbstractProject.java:880)
at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:382)
at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:417)
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:619)
08-Jun-2009 13:46:00 hudson.Proc$LocalProc join

This is hudson running in cygwin on windows xp.