Hi,The test is to test a NPE during creating a JMX RMI server, but it got timeout when starting a RMID, the fix is to remove this timeout, it is not easy to have a reasonable timeout working for different testing machines, and the test is not implemented to test sun.rmi.server.Activation.
bug: https://bugs.openjdk.java.net/browse/JDK-8038321webrev: http://cr.openjdk.java.net/~sjiang/JDK-8038321/00/ <http://cr.openjdk.java.net/%7Esjiang/JDK-8038321/00/>
Thanks, Shanliang