src/java.base/share/classes/java/net/SocketAddress.java

@@ -38,8 +38,9 @@
  * @see java.net.ServerSocket
  * @since 1.4
  */
 public abstract class SocketAddress implements java.io.Serializable {
 
+    @java.io.Serial
     static final long serialVersionUID = 5215720748342549866L;
 
 }