Swing Jtble 排序后，出现数据刷新问题

[lcy_1024]

操作描述：
1.添加 -> 刷新
2.点击表头进行排序
3.清空 -> 刷新
4.刷新按钮失效，会报错，如何解决？（如果不点击表头排序，则功能正常）

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
at java.util.Vector.elementAt(Vector.java:470)
at javax.swing.table.DefaultTableModel.getValueAt(DefaultTableModel.java:649)
at javax.swing.JTable.getValueAt(JTable.java:2720)
at javax.swing.JTable.prepareRenderer(JTable.java:5718)
at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:2114)
at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:2016)
at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1812)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:161)
at javax.swing.JComponent.paintComponent(JComponent.java:778)
at javax.swing.JComponent.paint(JComponent.java:1054)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JViewport.paint(JViewport.java:731)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintToOffscreen(JComponent.java:5221)
at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1482)
at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1413)
at javax.swing.RepaintManager.paint(RepaintManager.java:1206)
......

整个测试代码文件如下：
Test.java：

package examples;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Vector;

public class Test extends javax.swing.JFrame {

    private Vector<Vector> tblDate; // 表数据
    private Vector<String> tblHeaders; // 表头
    private List<Integer> list; // 数据源

    public Test() {
        tblDate = new Vector<Vector>();
        tblHeaders = new Vector<String>();
        list = new ArrayList<Integer>();
        tblHeaders.add("编号");
        tblHeaders.add("数据");

        initComponents();
        setLocationRelativeTo(null);
    }

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
        // 添加
        list.add(list.size());
    }

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
        // 清空
        list.clear();
    }

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        // 刷新
        tblDate.clear();

        for (int i : list) {
            tblDate.add(new Vector(Arrays.asList(i, "测试数据" + i)));
        }

        jTable1.repaint();
        jTable1.updateUI();
    }

    // 下面都是NetBeans自动生成代码，不要管
    public static void main(String args[]) {
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info
                    : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (Exception ex) {
            // TODO
        }

        java.awt.EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                new Test().setVisible(true);
            }
        });
    }

    @SuppressWarnings("unchecked")
    private void initComponents() {
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
                this.tblDate, this.tblHeaders
        ));
        jTable1.setAutoCreateRowSorter(true);
        jScrollPane1.setViewportView(jTable1);

        jButton2.setText("添加");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton3.setText("清空");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jButton1.setText("刷新");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing
        .GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout
                                .Alignment.LEADING)
                                .addComponent(jScrollPane1, javax.swing.GroupLayout
                                        .PREFERRED_SIZE, 0, Short.MAX_VALUE)
                                .addGroup(layout.createSequentialGroup()
                                        .addGap(0, 168, Short.MAX_VALUE)
                                        .addComponent(jButton2)
                                        .addGap(18, 18, 18)
                                        .addComponent(jButton3)
                                        .addGap(18, 18, 18)
                                        .addComponent(jButton1)))
                        .addContainerGap())
        );
        layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jScrollPane1,
                                javax.swing.GroupLayout.DEFAULT_SIZE, 190, Short
                                        .MAX_VALUE)
                        .addGap(18, 18, 18)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout
                                .Alignment.BASELINE)
                                .addComponent(jButton1)
                                .addComponent(jButton2)
                                .addComponent(jButton3))
                        .addContainerGap())
        );

        pack();
    }

    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
}

[lcy_1024]

整个代码文件我都附上了，大神帮忙看下~~~