--- a/test/jdk/sun/net/www/protocol/https/HttpsURLConnection/IPAddressDNSIdentities.java	Wed Mar 27 13:00:57 2019 -0700
+++ b/test/jdk/sun/net/www/protocol/https/HttpsURLConnection/IPAddressDNSIdentities.java	Wed Mar 27 09:06:43 2019 -0700
@@ -23,6 +23,7 @@
 
 /* @test
  * @bug 6766775
+ * @library /test/lib
  * @summary X509 certificate hostname checking is broken in JDK1.6.0_10
  * @run main/othervm IPAddressDNSIdentities
  *
@@ -42,6 +43,7 @@
 import java.security.spec.*;
 import java.security.interfaces.*;
 import java.math.BigInteger;
+import jdk.test.lib.net.URIBuilder;
 
 /*
  * Certificates and key used in the test.
@@ -710,7 +712,12 @@
             HttpsURLConnection http = null;
 
             /* establish http connection to server */
-            URL url = new URL("https://127.0.0.1:" + serverPort+"/");
+            URL url = URIBuilder.newBuilder()
+                .scheme("https")
+                .loopback()
+                .port(serverPort)
+                .path("/")
+                .toURL();
             System.out.println("url is "+url.toString());
 
             try {