This code have created jTable that connected with a database.every cell of last column have a button.But this button doesn't work properly.Where is the error

import java.awt.Component;

import java.awt.EventQueue;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import javax.swing.JOptionPane;

import javax.swing.JFrame;

import javax.swing.JTable;

import javax.swing.JScrollPane;

import javax.swing.RowFilter;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableRowSorter;

import javax.swing.JLabel;

import javax.swing.JTextField;

import javax.swing.JButton;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;

import java.awt.event.MouseEvent;

import java.text.NumberFormat;

import java.util.EventObject;

import javax.swing.AbstractCellEditor;

import javax.swing.JDialog;

import javax.swing.table.TableCellEditor;

import javax.swing.table.TableCellRenderer;

import javax.swing.table.TableColumn;

import javax.swing.table.TableColumnModel;

public class M extends javax.swing.JFrame {

DefaultTableModel model;

Connection connect;

Statement s;

private ResultSet rst;

int row;
String expr;

final String delete="Delete";

final TableRowSorter<DefaultTableModel> sorter;

static TableColumnModel colModel;

/**
 * Creates new form M
 */
public M() {
    initComponents();
    model = (DefaultTableModel)jTable1.getModel();
    sorter = new TableRowSorter<DefaultTableModel> (model);


try {

    Class.forName("com.mysql.jdbc.Driver");

    connect =  DriverManager.getConnection("jdbc:mysql://localhost/SORTS","root",null);

    s = connect.createStatement();



    String sql = "SELECT * FROM  member";

    ResultSet rec = s.executeQuery(sql);

      row = 0;

    while((rec!=null) && (rec.next()))

    {          

    model.addRow(new Object[0]);

    model.setValueAt(rec.getString("memberShipNo"), row, 0);

    model.setValueAt(rec.getString("name"), row, 1);

    model.setValueAt(rec.getString("workingStation"), row, 2);

    model.setValueAt(rec.getString("address"), row, 3);

    model.setValueAt(rec.getString("teleNo"), row, 4);

    model.setValueAt(rec.getString("email"), row, 5);

     model.setValueAt(delete, row, 6);

     row++;

    }

    rec.close();

    } catch (Exception e) {


        JOptionPane.showMessageDialog(null, e.getMessage());

        e.printStackTrace();

    }

    try {

        if(s != null) {

        s.close();

        connect.close();

    }

    }   catch (SQLException e) {

            e.printStackTrace();

    }


    jTable1.setRowSorter(sorter); 

                 colModel = jTable1.getColumnModel();
                 colModel.getColumn(6).setCellEditor(new ButtonEditor1(jTable1));
                 colModel.getColumn(6).setCellRenderer(new ButtonRenderer1());





}


@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">                          
private void initComponents() {

    jScrollPane1 = new javax.swing.JScrollPane();
    jTable1 = new javax.swing.JTable();
    jButton1 = new javax.swing.JButton();
    jButton2 = new javax.swing.JButton();
    jTextField1 = new javax.swing.JTextField();

    setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

    jTable1.setModel(new javax.swing.table.DefaultTableModel(
        new Object [][] {

        },
        new String [] {
            "Title 1", "Title 2", "Title 3", "Title 4", "5", "6", "7"
        }
    ) {
        Class[] types = new Class [] {
            java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.String.class
        };

        public Class getColumnClass(int columnIndex) {
            return types [columnIndex];
        }
    });
    jScrollPane1.setViewportView(jTable1);

    jButton1.setText("jButton1");

    jButton2.setText("View All");

    jTextField1.setText("");

    javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
    getContentPane().setLayout(layout);
    layout.setHorizontalGroup(
        layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(layout.createSequentialGroup()
            .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 375, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addGap(0, 25, Short.MAX_VALUE))
        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
            .addContainerGap()
            .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 158, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .addComponent(jButton2)
            .addGap(18, 18, 18)
            .addComponent(jButton1)
            .addGap(38, 38, 38))
    );
    layout.setVerticalGroup(
        layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(layout.createSequentialGroup()
            .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 112, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addGap(75, 75, 75)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(jButton1)
                .addComponent(jButton2)
                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGap(0, 90, Short.MAX_VALUE))
    );

    pack();
}// </editor-fold>                        

/**
 * @param args the command line arguments
 */
public static void main(String args[]) {
    /* Set the Nimbus look and feel */
    //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
    /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
     * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
     */
    try {
        for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
            if ("Nimbus".equals(info.getName())) {
                javax.swing.UIManager.setLookAndFeel(info.getClassName());
                break;
            }
        }
    } catch (ClassNotFoundException ex) {
        java.util.logging.Logger.getLogger(M.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (InstantiationException ex) {
        java.util.logging.Logger.getLogger(M.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (IllegalAccessException ex) {
        java.util.logging.Logger.getLogger(M.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (javax.swing.UnsupportedLookAndFeelException ex) {
        java.util.logging.Logger.getLogger(M.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    }
    //</editor-fold>

    /* Create and display the form */
    java.awt.EventQueue.invokeLater(new Runnable() {
        public void run() {
            new M().setVisible(true);

        }
    });
}

// Variables declaration - do not modify                     
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTable jTable1;
private javax.swing.JTextField jTextField1;
// End of variables declaration

} ///////////////////////////////////////////////// class ButtonEditor1 extends AbstractCellEditor implements TableCellEditor, ActionListener {

javax.swing.JTable jTable1;
JButton button = new JButton();
NumberFormat nf = NumberFormat.getCurrencyInstance();
int clickCountToStart = 1;

public ButtonEditor1(javax.swing.JTable jTable1) {
    this.jTable1 = jTable1;
    button.setBackground(new java.awt.Color(255, 51, 102));
    button.setFont(new java.awt.Font("Ravie", 1, 14));
    button.addActionListener(this);

}

public void actionPerformed(ActionEvent e) {
      System.out.println("clicked");

}

public Component getTableCellEditorComponent(javax.swing.JTable jTable1,
                                             Object value,
                                             boolean isSelected,
                                             int row, int column) {
    button.setText(value.toString());

    return button;
}

public Object getCellEditorValue() {
    return button.getText();
}

public boolean isCellEditable(EventObject anEvent) {
    if(anEvent instanceof MouseEvent) { 
        return ((MouseEvent)anEvent).getClickCount() >= clickCountToStart;
    }
    return true;
}

public boolean shouldSelectCell(EventObject anEvent) {
    return true;
}

public boolean stopCellEditing() {
    return super.stopCellEditing();
}

public void cancelCellEditing() {
    super.cancelCellEditing();
}

} ///////////////////////////////////////////////////////////////////

class ButtonRenderer1 implements TableCellRenderer { JButton button = new JButton();

public Component getTableCellRendererComponent(javax.swing.JTable jTable1,
                                               Object value,
                                               boolean isSelected,
                                               boolean hasFocus,
                                               int row, int column) {
    System.out.println(hasFocus);
    button.setBackground(new java.awt.Color(255, 51, 102));
   button.setFont(new java.awt.Font("Ravie", 1, 14));
    button.setText(value.toString());
    return button;
}

}