src/java.base/share/classes/sun/net/ConnectionResetException.java

@@ -32,10 +32,11 @@
  *
  * @since   1.4.1
  */
 public
 class ConnectionResetException extends SocketException {
+    @java.io.Serial
     private static final long serialVersionUID = -7633185991801851556L;
 
     public ConnectionResetException(String msg) {
         super(msg);
     }