--- old/src/java.httpclient/share/classes/java/net/http/Pair.java	2016-04-29 11:47:28.323376164 +0100
+++ new/src/java.httpclient/share/classes/java/net/http/Pair.java	2016-04-29 11:47:28.155376160 +0100
@@ -43,4 +43,9 @@
     static <T, U> Pair<T, U> pair(T first, U second) {
         return new Pair<>(first, second);
     }
+
+    @Override
+    public String toString() {
+        return "(" + first + ", " + second + ")";
+    }
 }