The JCK test crashed when running with recent VM nightly build.
The stack dump is:

[Loaded java.text.resourjava.lang.NullPointerException
at javasoft.sqe.harness.URLHashtable.hashCode(URLHashtable.java:70)
at javasoft.sqe.harness.Hashtable.put(Hashtable.java:338)
at javasoft.sqe.harness.TestFinder.checkURL(TestFinder.java:719)
at javasoft.sqe.harness.TestFinder.more(TestFinder.java:130)
at javasoft.sqe.harness.TestFinder.next(TestFinder.java:161)
at javasoft.sqe.harness.TestRunner.readAheadTests(TestRunner.java:59)
at javasoft.sqe.harness.Harness.run(Harness.java:417)
at javasoft.sqe.harness.Harness.workerCallback(Harness.java:325)
at javasoft.sqe.harness.HarnessWorker.run(Harness.java:920)

When looking at the java byte code of URLHashtable class. It seems the
java.net.URL.getHost() return null pointer for file URL.