--- old/src/java.base/share/classes/java/net/CookieHandler.java	2020-07-23 17:23:17.395597194 -0700
+++ new/src/java.base/share/classes/java/net/CookieHandler.java	2020-07-23 17:23:16.987597194 -0700
@@ -51,6 +51,11 @@
  */
 public abstract class CookieHandler {
     /**
+     * Constructor for subclasses to call.
+     */
+    public CookieHandler() {}
+
+    /**
      * The system-wide cookie handler that will apply cookies to the
      * request headers and manage cookies from the response headers.
      *