src/java.base/share/classes/java/io/CharConversionException.java

*** 31,40 ****
--- 31,41 ----
   * @since       1.1
   */
  public class CharConversionException
      extends java.io.IOException
  {
+     @java.io.Serial
      private static final long serialVersionUID = -8680016352018427031L;
  
      /**
       * This provides no detailed message.
       */