--- old/src/java.base/share/classes/java/net/BindException.java	2019-08-27 17:27:56.110324386 -0700
+++ new/src/java.base/share/classes/java/net/BindException.java	2019-08-27 17:27:55.890324386 -0700
@@ -34,6 +34,7 @@
  */
 
 public class BindException extends SocketException {
+    @java.io.Serial
     private static final long serialVersionUID = -5945005768251722951L;
 
     /**