자바 - 맥에서 JFileChooser오류

    private void selectFilePathActionPerformed(java.awt.event.ActionEvent evt) 
    {
        JFileChooser f = new JFileChooser();
        f.setCurrentDirectory(new File(this.saveFilePath));
        f.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        f.showSaveDialog(null);
 
        if (f.getSelectedFile() != null)
        {
            String path = f.getSelectedFile().getAbsolutePath();
            if (!validatePath(path))
            {
                JOptionPane.showMessageDialog(this, "저장 경로가 잘못되었습니다.");
            }
            else
            {
                prefs.put("saveFilePath", path);
                loadPrefs();
            }
        }
    }