Please review the backports of JDK-8175120 and JDK-8164656. Overview - Removing old tests on KDC timeout policy and replacing it with new one.
Original mail threads JDK-8164656 - http://mail.openjdk.java.net/pipermail/security-dev/2016-August/014696.html JDK-8175120 - http://mail.openjdk.java.net/pipermail/security-dev/2017-February/015625.html JPRT test run - http://jdk-services.us.oracle.com/jprt/archive/2018/04/2018-04-05-005834.gtee.8193453 Thanks, Ram