src/java.base/share/classes/java/util/MissingResourceException.java

@@ -106,10 +106,11 @@
     }
 
     //============ privates ============
 
     // serialization compatibility with JDK1.1
+    @java.io.Serial
     private static final long serialVersionUID = -4876345176062000401L;
 
     /**
      * The class name of the resource bundle requested by the user.
      * @serial