--- a/src/java.base/share/classes/java/net/Inet6AddressImpl.java Fri Jul 05 12:55:54 2019 +0300
+++ b/src/java.base/share/classes/java/net/Inet6AddressImpl.java Fri Jul 05 13:40:29 2019 +0200
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
package java.net;
import java.io.IOException;
+
+import static java.net.InetAddress.IPv6;
import static java.net.InetAddress.PREFER_IPV6_VALUE;
import static java.net.InetAddress.PREFER_SYSTEM_VALUE;
@@ -70,7 +72,7 @@
* stack system).
*/
java.util.Enumeration<InetAddress> it = netif.getInetAddresses();
- InetAddress inetaddr = null;
+ InetAddress inetaddr;
while (it.hasMoreElements()) {
inetaddr = it.nextElement();
if (inetaddr.getClass().isInstance(addr)) {
@@ -110,20 +112,23 @@
boolean preferIPv6Address =
InetAddress.preferIPv6Address == PREFER_IPV6_VALUE ||
InetAddress.preferIPv6Address == PREFER_SYSTEM_VALUE;
- InetAddress loopback4 = (new Inet4AddressImpl()).loopbackAddress();
- InetAddress loopback6 = new Inet6Address("localhost",
- new byte[] {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01});
- // Order the candidate addresses by preference.
- InetAddress[] addresses = preferIPv6Address
- ? new InetAddress[] {loopback6, loopback4}
- : new InetAddress[] {loopback4, loopback6};
- // In case of failure, default to the preferred address.
- loopbackAddress = addresses[0];
- // Pick the first candidate address that actually exists.
- for (InetAddress address : addresses) {
+
+ for (int i = 0; i < 2; i++) {
+ InetAddress address;
+ // Order the candidate addresses by preference.
+ if (i == (preferIPv6Address ? 0 : 1)) {
+ address = new Inet6Address("localhost",
+ new byte[]{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01});
+ } else {
+ address = new Inet4Address("localhost", new byte[]{ 0x7f,0x00,0x00,0x01 });
+ }
+ if (i == 0) {
+ // In case of failure, default to the preferred address.
+ loopbackAddress = address;
+ }
try {
- if (NetworkInterface.getByInetAddress(address) == null) {
+ if (!NetworkInterface.isBoundInetAddress(address)) {
continue;
}
} catch (SocketException e) {