After the fix about removing all the finalizers from AWT code, all the AWT components have become unserializable. Execute the following simple test:

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import java.awt.*;

import java.io.*;

public class SerializeBroken
{
  public static void main(String[] args)
  {
    Frame f = new Frame();
    f.setBounds(100, 100, 100, 100);
    f.setVisible(true);

    try
    {
      ObjectOutputStream out = new ObjectOutputStream(new ByteArrayOutputStream());
      out.writeObject(f);
    }
    catch (Exception z)
    {
      z.printStackTrace(System.err);
    }
  }
}

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If the frame is successfully serialized, the bug is not reproduced.