public class TableCellTextRenderer {

    @Override
    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
        boolean hasFocus, int row, int column) {

        final JTextPane jtextPane = new JTextPane();
        JScrollPane scrollPane = new JScrollPane(jtextPane);
        scrollPane.setPreferredSize(new Dimension(350,350));
        scrollPane.setVisible(true);
        jtextPane.setEditable(false);
        jtextPane.setAutoscrolls(true);
        jtextPane.setContentType("text/html");
        jtextPane.setText(myHtmlText);
        jtextPane.setVisible(true);
        jtextPane.setPreferredSize(new Dimension(350,350));

        //this setViewPort has no effect
        scrollPane.setViewportView(jtextPane);

        jtextPane.setVisible(true);
        scrollPane.setAutoscrolls(true);
        scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
        scrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);

        JPanel jpanel = new JPanel();
        jpanel.setVisible(true);
        jpanel.setPreferredSize(new Dimension(360, 360));
        jpanel.add(scrollPane);

        return jpanel;
    }
}