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

@@ -35,10 +35,11 @@
  * @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;