hg: jdk8u/jdk8u-dev/jdk: 8147772: Update KerberosTicket to describe behavior if it has been destroyed and fix NullPointerExceptions; ...

[sean.coffey at oracle.com]

Changeset: fd0e0898721c
Author:    coffeys
Date:      2016-08-10 16:33 +0100
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/fd0e0898721c

8147772: Update KerberosTicket to describe behavior if it has been destroyed and fix NullPointerExceptions
8163104: Unexpected NPE still possible on some Kerberos ticket calls
Reviewed-by: weijun

! src/share/classes/javax/security/auth/kerberos/KerberosTicket.java
! src/share/classes/sun/security/jgss/krb5/Krb5InitCredential.java
! test/javax/security/auth/kerberos/KerberosTixDateTest.java