UNDERTOW-1807: Fix ForwardedHandlerTestCase on jdk14+

core/src/test/java/io/undertow/server/handlers/ForwardedHandlerTestCase.java

@@ -21,6 +21,7 @@
 import java.net.UnknownHostException;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Objects;
 
 import static io.undertow.server.handlers.ForwardedHandler.parseAddress;
 import static io.undertow.server.handlers.ForwardedHandler.parseHeader;
@@ -37,11 +38,25 @@ public static void setup() {
         DefaultServer.setRootHandler(new ForwardedHandler(new HttpHandler() {
             @Override
             public void handleRequest(HttpServerExchange exchange) throws Exception {
-                exchange.getResponseSender().send(exchange.getRequestScheme() + "|" + exchange.getHostAndPort()+ "|" + exchange.getDestinationAddress() + "|" + exchange.getSourceAddress() );
+                exchange.getResponseSender().send(
+                        exchange.getRequestScheme()
+                                + "|" + exchange.getHostAndPort()
+                                + "|" + toJreNormalizedString(exchange.getDestinationAddress())
+                                + "|" + toJreNormalizedString(exchange.getSourceAddress()));
             }
         }));
     }
 
+    private static String toJreNormalizedString(InetSocketAddress address) {
+        // https://mail.openjdk.java.net/pipermail/net-dev/2019-June/012741.html
+        // https://bugs.openjdk.java.net/browse/JDK-8225499
+        // Java 14 introduced a new component to the toString value to disambiguate ipv6 values
+        return Objects.toString(address)
+                .replace("/<unresolved>", "")
+                .replace("[", "")
+                .replace("]", "");
+    }
+
     @Test
     public void testHeaderParsing() {
         Map<ForwardedHandler.Token, String> results = new HashMap<>();