drawString does not display String

Run the following program.
1.2 beta4-A : It works, but if ANTIALIAS flag set to ON, drawString does not
display String.
1.2 beta3-N : It works correctly. srawString displays String at any
condiyions.

program:

import java.awt.*;
import java.awt.event.*;
import java.awt.font.*;

class FontEffectTest extends Frame implements ActionListener, ItemListener {
    String[] strName = { "Serif", "SansSerif", "Monospaced", "Dialog", "DialogInput" };
    String[] strSize = { "8", "12", "16", "20", "24", "32", "40", "48", "56", "64" };
    String[] strStyle = { "Plain", "Bold", "Italic", "BoldItalic" };
    int[] nStyle = { Font.PLAIN, Font.BOLD, Font.ITALIC, Font.BOLD + Font.ITALIC };
    String[] strRender = { "SPEED", "QUALITY", "DEFAULT" };
    int[] nRender = { Graphics2D.RENDER_SPEED, Graphics2D.RENDER_QUALITY,
                      Graphics2D.RENDER_DEFAULT };
    String[] strAntiA = { "ON", "OFF", "DEFAULT" };
    int[] nAntiA = { Graphics2D.ANTIALIAS_ON, Graphics2D.ANTIALIAS_OFF,
                     Graphics2D.ANTIALIAS_DEFAULT };

    Font ftDraw;
    String strDraw;

    MyCanvas cv;
    TextField tf;

    List lsName;
    List lsSize;
    List lsStyle;
    List lsRender;
    List lsAntiA;

    public FontEffectTest() {
        lsName = new List(5);
        lsSize = new List(5);
        lsStyle = new List(5);
        lsRender = new List(5);
        lsAntiA = new List(5);
        initList(lsName, strName);
        initList(lsSize, strSize);
        initList(lsStyle, strStyle);
        initList(lsRender, strRender);
        initList(lsAntiA, strAntiA);
        lsName.addItemListener(this);
        lsSize.addItemListener(this);
        lsStyle.addItemListener(this);
        lsRender.addItemListener(this);
        lsAntiA.addItemListener(this);

        strDraw = new String("Output Field");
        ftDraw = new Font(strName[0], nStyle[0], Integer.parseInt(strSize[0]));
        tf = new TextField("Input String Here.");
        tf.addActionListener(this);

        cv = new MyCanvas();
cv.setSize(480, 200);

        Panel p = new Panel(new FlowLayout());
        p.add(lsName);
        p.add(lsSize);
        p.add(lsStyle);
        p.add(lsRender);
        p.add(lsAntiA);

        add("North", cv);
        add("Center", tf);
        add("South", p );

        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) { System.exit(0); }
        });
        pack();
        show();
    }

    public void actionPerformed(ActionEvent e) {
        strDraw = tf.getText();
        cv.repaint();
}
    
    public void itemStateChanged(ItemEvent e) {
        if (e.getSource() == lsName || e.getSource() == lsSize || e.getSource() == lsStyle ) {
            ftDraw = new Font( (String)lsName.getSelectedItem(),
                        nStyle[lsStyle.getSelectedIndex()],
                        Integer.parseInt((String)lsSize.getSelectedItem()));
        }
        cv.repaint();
    }

    private void initList( List ls, String[] str ) {
        for (int i=0; i < str.length; i++) {
            ls.add(str[i]);
        }
        ls.select(0);
    }

    class MyCanvas extends Canvas {
        public MyCanvas() {
            setBackground(Color.white);
        }

        public void paint(Graphics g) {
            g.clearRect(0, 0, getSize().width, getSize().height);
            Graphics2D g2 = (Graphics2D)g;
            Font ftTip = new Font("SansSerif", Font.PLAIN, 16);
            TextLayout tips1 = new TextLayout("drawString(TextLayout):", ftTip);
            g2.drawString(tips1, 0, 20);
            TextLayout tips2 = new TextLayout("setFont & drawString(String):", ftTip);
            g2.drawString(tips2, 0, 120);

            g2.setRenderingHints(Graphics2D.RENDERING,
                        nRender[lsRender.getSelectedIndex()]);
            g2.setRenderingHints(Graphics2D.ANTIALIASING,
                        nAntiA[lsAntiA.getSelectedIndex()]);

            g2.setFont(ftDraw);
            g2.drawString(strDraw, 0, 175);
            TextLayout tl = new TextLayout(strDraw, ftDraw);
            g2.drawString(tl, 0, 75);
        }
    }

    public static void main(String[] args) {
        FontEffectTest obj = new FontEffectTest();
    }
}