Kerberos tests are failing on IPv6 hosts when no hostname is configured for bind address. There is already implemented assumption in KerberosUtils class in the testsuite. Nevertheless, the condition used there is not sufficient, it doesn't cover Java 8 for instance.
Linking related BZs: - IBM JDK 6 - bug 1186129 - IBM JDK 7 - bug 1185917 - OpenJDK 6 - bug 1186132
Verified with EAP 6.4.6.CP.CR2
Retroactively bulk-closing issues from released EAP 6.4 cumulative patches.