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

@@ -176,20 +176,22 @@
 
     //////////////////////////////////////////////////////////////////////
     // 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();

@@ -202,10 +204,11 @@
      *
      * @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();

@@ -231,9 +234,10 @@
             return null;
         }
     }
 
     // Added serialVersionUID to preserve binary compatibility
+    @java.io.Serial
     static final long serialVersionUID = 583241635256073760L;
 }
 
 // end of SAXException.java