src/java.base/share/classes/jdk/internal/org/xml/sax/SAXException.java

*** 176,195 ****
--- 176,197 ----
  
      //////////////////////////////////////////////////////////////////////
      // Internal state.
      //////////////////////////////////////////////////////////////////////
  
+     @java.io.Serial
      private static final ObjectStreamField[] serialPersistentFields = {
          new ObjectStreamField( "exception", Exception.class )
      };
  
      /**
       * Writes "exception" field to the stream.
       *
       * @param out stream used for serialization.
       * @throws IOException thrown by <code>ObjectOutputStream</code>
       */
+     @java.io.Serial
      private void writeObject(ObjectOutputStream out)
              throws IOException {
          ObjectOutputStream.PutField fields = out.putFields();
          fields.put("exception", getExceptionInternal());
          out.writeFields();
*** 202,211 ****
--- 204,214 ----
       *
       * @param in stream used for deserialization
       * @throws IOException            thrown by <code>ObjectInputStream</code>
       * @throws ClassNotFoundException thrown by <code>ObjectInputStream</code>
       */
+     @java.io.Serial
      private void readObject(ObjectInputStream in)
              throws IOException, ClassNotFoundException {
          ObjectInputStream.GetField fields = in.readFields();
          Exception exception = (Exception) fields.get("exception", null);
          Throwable superCause = super.getCause();
*** 231,239 ****
--- 234,243 ----
              return null;
          }
      }
  
      // Added serialVersionUID to preserve binary compatibility
+     @java.io.Serial
      static final long serialVersionUID = 583241635256073760L;
  }
  
  // end of SAXException.java