src/java.base/share/classes/java/lang/invoke/StringConcatException.java

@@ -30,10 +30,11 @@
  * invariants are violated.
  *
  * @since 9
  */
 public class StringConcatException extends Exception {
+    @java.io.Serial
     private static final long serialVersionUID = 292L + 9L;
 
     /**
      * Constructs an exception with a message
      * @param msg exception message