Minimal configuration fails to shutdown

2009-04-09 03:43:47,962 DEBUG [org.jboss.deployers.plugins.deployers.DeployersImpl] (HDScanner) Fully Undeployed vfszip:/home/hudson/workspace/JBoss-AS-5.x-TestSuite-sun15/Branch_5_x/build/output/jboss-5.1.0.CR1/server/minimal/deploy/shutdown.sar/
2009-04-09 03:43:47,963 ERROR [STDERR] (ExitOnShutdown) Exception in thread "ExitOnShutdown"
2009-04-09 03:43:47,963 ERROR [STDERR] (ExitOnShutdown) java.lang.IllegalStateException: BaseClassLoader@3ecb800f

{vfszip:/home/hudson/workspace/JBoss-AS-5.x-TestSuite-sun15/Branch_5_x/build/output/jboss-5.1.0.CR1/server/minimal/deploy/shutdown.sar/}

classLoader is not connected to a domain (probably undeployed?) for class java.lang.System
2009-04-09 03:43:47,963 ERROR [STDERR] (ExitOnShutdown) at org.jboss.classloader.spi.base.BaseClassLoader.loadClassFromDomain(BaseClassLoader.java:767)
2009-04-09 03:43:47,963 ERROR [STDERR] (ExitOnShutdown) at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:415)
2009-04-09 03:43:47,964 ERROR [STDERR] (ExitOnShutdown) at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
2009-04-09 03:43:47,964 ERROR [STDERR] (ExitOnShutdown) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
2009-04-09 03:43:47,964 ERROR [STDERR] (ExitOnShutdown) at org.jboss.test.jmx.shutdown.ExitOnShutdown$1.run(ExitOnShutdown.java:52)
2009-04-09 03:43:47,964 ERROR [STDERR] (ExitOnShutdown) at java.lang.Thread.run(Thread.java:595)