O meu projeto não está salvando as informações do meu checkbox, preciso de ajuda urgentemente

 private void jTableTasksMouseClicked(java.awt.event.MouseEvent evt) {                                         
        // TODO add your handling code here:
       int rowIndex = jTableTasks.rowAtPoint(evt.getPoint());
       int columnIndex = jTableTasks.columnAtPoint(evt.getPoint());
        
        switch(columnIndex){
             case 3:
                 
             Task task = taskModel.getTasks().get(rowIndex); 
             taskController.update(task);
           /*{
               try {
                   taskController.save(task);
               } catch (SQLException ex) {
                   Logger.getLogger(MainScreen.class.getName()).log(Level.SEVERE, null, ex);
               }
           } */
             break;

             case 4:
                 
            break;
             case 5:
             
            break;
             
        } 
        
    }         

public void update(Task task){
       String sql = "UPDATE tasks SET " 
               + "idProject = ?, "
               + "name = ?, "
               + "description = ?, "
               + "notes = ?, "
               + "completed = ?, "
               + "deadline = ?, "
               + "createdAt = ?, "
               + "updatedAt = ? WHERE id = ?";
               //+"WHERE id = ?";
          

         Connection connection = null;
         PreparedStatement statement = null;
         
         try {
             //Estabelecendo a conexão com o banco de dados
            connection = ConnectionFactory.getConnection();
            
            //Preparando  a query
            statement = connection.prepareStatement(sql);
            
            //Setando os valores no statement
            statement.setInt(1, task.getIdProject());
            statement.setString(2, task.getName());
            statement.setString(3, task.getDescription());
            statement.setBoolean(4, task.isIsCompleted());
            statement.setString(5, task.getNotes());
            statement.setDate(6, new Date(task.getDeadline().getTime()));
            statement.setDate(7, new Date(task.getCreatedAt().getTime()));
            statement.setDate(8, new Date(task.getUpdatedAt().getTime()));
            statement.setInt(9, task.getId());
            
            //Executando a query
            statement.execute();

  public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
        tasks.get(rowIndex).setIsCompleted((boolean) aValue);   
    }

 private void jLabelToolBarSaveMouseClicked(java.awt.event.MouseEvent evt) {                                               
        try {
            Task task = new Task();
            task.setIdProject(project.getId());
            task.setName(jTextFieldName.getText());
            task.setDescription(jTextAreaDescription.getText());
            task.setNotes(jTextAreaNotes.getText());

            SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy");
            Date deadline = null;
            
            try {
                deadline = dateFormat.parse(jFormattedTextFieldDeadLine.getText());
            } catch (ParseException ex) {
                Logger.getLogger(TaskDialogScreen.class.getName()).log(Level.SEVERE, null, ex);
            }

            task.setDeadline(deadline);
            task.setCompleted(false);
            taskDAO.save(task);

            JOptionPane.showMessageDialog(rootPane, "Tarefa salva com sucesso");
            this.dispose();
        } catch (HeadlessException ex) {
            JOptionPane.showMessageDialog(rootPane, ex);
        }
    }