diff -r 4ddff5909b4f -r 3176f6c55af1 jdk/src/java.naming/share/classes/com/sun/jndi/ldap/LdapCtx.java
--- a/jdk/src/java.naming/share/classes/com/sun/jndi/ldap/LdapCtx.java	Mon Apr 11 12:27:48 2016 +0800
+++ b/jdk/src/java.naming/share/classes/com/sun/jndi/ldap/LdapCtx.java	Mon Apr 11 08:00:21 2016 +0100
@@ -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);