src/java.base/share/classes/jdk/internal/util/xml/XMLStreamException.java

*** 35,44 ****
--- 35,45 ----
   * @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved.
   * @since 1.6
   */
  
  public class XMLStreamException extends Exception {
+     @java.io.Serial
      private static final long serialVersionUID = 1L;
  
  
      protected Throwable nested;