First time seen with 1_0_1_02-b49 with the TCK test api/javax/management/remote/security/optional/index.html#JMXMPAuthenticatorTest

NPE might not be printed as a JMX WARNING as it looks like an internal failure.

ZoneInfo: null
Feb 11, 2004 1:33:02 AM ThreadService run
WARNING: Got an unexpected exception.
java.lang.NullPointerException
at com.sun.jmx.remote.generic.ServerSynchroMessageConnectionImpl.setCallback(ServerSynchroMessageConnectionImpl.java:89)
at javax.management.remote.generic.ServerIntermediary.start(ServerIntermediary.java:952)
at javax.management.remote.generic.GenericConnectorServer$ClientCreation.run(GenericConnectorServer.java:448)
at com.sun.jmx.remote.opt.util.ThreadService$ThreadServiceJob.run(ThreadService.java:208)
at com.sun.jmx.remote.opt.util.JobExecutor.run(JobExecutor.java:59)