java/lang/management/ThreadMXBean/ThreadLists.java fails intermittently:

----------System.out:(4/127)----------
ThreadGroup: 8 active thread(s)
Thread: 8 stack trace(s) returned
ThreadMXBean: 7 live threads(s)
ThreadMXBean: 7 thread Id(s)
----------System.err:(12/626)----------
java.lang.RuntimeException: inconsistent results
at ThreadLists.main(ThreadLists.java:67)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:502)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:218)
at java.lang.Thread.run(Thread.java:745)

JavaTest Message: Test threw exception: java.lang.RuntimeException