--- old/src/java.naming/share/classes/com/sun/jndi/ldap/LdapCtx.java	Sun Apr 10 14:39:14 2016
+++ new/src/java.naming/share/classes/com/sun/jndi/ldap/LdapCtx.java	Sun Apr 10 14:39:13 2016
@@ -2978,7 +2978,8 @@
             r = new LdapReferralException(resolvedName, resolvedObj, remainName,
                 msg, envprops, fullDN, handleReferrals, reqCtls);
             // only one set of URLs is present
-            r.setReferralInfo(res.referrals.elementAt(0), false);
+            r.setReferralInfo(res.referrals == null ? null :
+                    res.referrals.elementAt(0), false);
 
             if (hopCount > 1) {
                 r.setHopCount(hopCount);
@@ -3047,7 +3048,7 @@
              *     assume name resolution has not yet completed.
              */
             if (((res.entries == null) || (res.entries.isEmpty())) &&
-                (res.referrals.size() == 1)) {
+                ((res.referrals != null) && (res.referrals.size() == 1))) {
 
                 r.setReferralInfo(res.referrals, false);