Please take a review on these 2 release notes: https://bugs.openjdk.java.net/browse/JDK-8177084 8029994: Support "include" and "includedir" in krb5.conf https://bugs.openjdk.java.net/browse/JDK-8177083 8036779: sun.security.krb5.KdcComm interprets kdc_timeout as msec instead of sec Both were integrated quite some time ago. Thanks Max