Name: dsR10078 Date: 06/01/2001

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Class Cursor is declared to implement Serializable, however custom Cursors
cannot be serialized.

Here is the test case that reproduces the problem:
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import java.awt.*;
import java.io.*;

public class Test {
    public static void main(String[] args) {
        final Toolkit tk = Toolkit.getDefaultToolkit();
        final Image image = tk.createImage("middle.gif");
        final Point p = new Point();
        final Cursor cursor = tk.createCustomCursor(image, p, "");
        if (cursor instanceof Serializable) {
            try {
                final ByteArrayOutputStream baos = new ByteArrayOutputStream();
                final ObjectOutputStream oos = new ObjectOutputStream(baos);
                oos.writeObject(cursor);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
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I used middle.gif available from
http://www.java.sun.com/docs/books/tutorial/uiswing/components/example-swing/images/middle.gif

Here is the output i get:
<das@horror(pts/7).286> /set/jdk-builds/JDK1.4.0beta-b65/solaris/bin/java -ver>
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b65)
Java HotSpot(TM) Client VM (build 1.4.0-beta-b65, mixed mode)
<das@horror(pts/7).286> /set/jdk-builds/JDK1.4.0beta-b65/solaris/bin/java Test
java.io.NotSerializableException: sun.awt.motif.X11Image
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1048)
        at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1324)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1296)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1239)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1046)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:277)
        at Test.main(Test.java:14)

The serialization fails as sun.awt.CustomCursor contains non-trainsient field of type Image.

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