--- old/src/java.base/share/classes/java/net/SocketAddress.java	2019-08-27 17:28:02.506324386 -0700
+++ new/src/java.base/share/classes/java/net/SocketAddress.java	2019-08-27 17:28:02.314324386 -0700
@@ -40,6 +40,7 @@
  */
 public abstract class SocketAddress implements java.io.Serializable {
 
+    @java.io.Serial
     static final long serialVersionUID = 5215720748342549866L;
 
 }