--- a/jdk/src/java.security.jgss/share/classes/sun/security/krb5/PrincipalName.java	Thu May 19 19:45:04 2016 -0700
+++ b/jdk/src/java.security.jgss/share/classes/sun/security/krb5/PrincipalName.java	Fri May 20 11:15:05 2016 +0800
@@ -424,6 +424,9 @@
                 } catch (UnknownHostException | SecurityException e) {
                     // not canonicalized or no permission to do so, use old
                 }
+                if (hostName.endsWith(".")) {
+                    hostName = hostName.substring(0, hostName.length() - 1);
+                }
                 nameParts[1] = hostName.toLowerCase(Locale.ENGLISH);
             }
             nameStrings = nameParts;