I had a project with SCM polling enabled, with a schedule to poll the SCM system
every minute. I deleted this project. A little bit after deleting the project,
I received the following stack trace in the Hudson window. It's possible that
deleting a project doesn't remove pending SCM polling tasks.

Mar 18, 2009 11:53:30 AM hudson.triggers.SCMTrigger$Runner runPolling
SEVERE: Failed to record SCM polling
java.io.FileNotFoundException:
D:\snapshots\175529_CI_P1_ss\Hub3_Admin\CI\hub-hudson\.\work\jobs\175529_CI_P1\scm-polling.log
(The system cannot find the path specified)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:179)
at java.io.FileOutputStream.<init>(FileOutputStream.java:131)
at hudson.util.StreamTaskListener.<init>(StreamTaskListener.java:68)
at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:376)
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:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)