jFreeChart in Applet using Eclipse IDE with VE

18 Mar 2007 15:32:17 -0700

For some reason the code below will run fine in the sun applet viewer
but will not deploy in my Safari or Firefox browser. All I get is the
java loading indicator and then a red "x" in the window it should be
working in. I exported the class into an uncompressed .jar file to
eliminate the issue mentioned at:
but no improvement.

 Anyone made this hurdle?

Web page:


<applet code= ChartApplet.class
        width=500 height=500>


Code made using Eclipse with the assistance of VE:

import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Rectangle;
import java.util.ArrayList;

import javax.swing.BorderFactory;
import javax.swing.JApplet;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.border.SoftBevelBorder;
import javax.swing.border.TitledBorder;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

public class ChartApplet extends JApplet {

    private static final long serialVersionUID = 1L;
    private JPanel jContentPane = null;
    private ChartPanel chartPanel;

    private String columnNames[];
    private String dataValues[][];

    protected XYSeriesCollection chartDataSet = new XYSeriesCollection();
    protected ArrayList <String> chartPlotType = new
ArrayList<String>(); // @jve:decl-index=0:
    protected String chartTitle = "Hey";
    protected String chartYAxisTitle = "Wow";
    protected String chartXAxisTitle = "NoWay";

     * This is the xxx default constructor
    public ChartApplet() {

     * This method initializes this
     * @return void
    public void init() {


     * This method initializes jContentPane
     * @return javax.swing.JPanel
    private JPanel getJContentPane() {
        if (jContentPane == null) {
            FlowLayout flowLayout = new FlowLayout();
            jContentPane = new JPanel();
        return jContentPane;

    // jFreeChart

    public void createChart(){
        JFreeChart chart = createChart(chartDataSet);
        chartPanel = new ChartPanel(chart);
SoftBevelBorder(SoftBevelBorder.RAISED), "Option Chart",
TitledBorder.CENTER, TitledBorder.DEFAULT_POSITION, null, null));

    protected JFreeChart createChart(XYDataset dataset) {

        JFreeChart chart = ChartFactory.createXYAreaChart(
                chartXAxisTitle, chartYAxisTitle,
                true, // legend
                true, // tool tips
                false // URLs


        XYPlot plot = (XYPlot) chart.getPlot();

        ValueAxis domainAxis = plot.getDomainAxis();

        ValueAxis rangeAxis = plot.getRangeAxis();

        return chart;

    private void dummyChart(){

        for (int j = 0; j < 2; j++){

            ArrayList<Float> xdata = new ArrayList<Float>();
            ArrayList<Float> ydata = new ArrayList<Float>();

            for (int i = 0; i < 10; i++) {
                ydata.add((float) i * .10f);


            this.addChartSeriesXandYValues("Test", xdata, ydata,"Shape");

    public void addChartSeriesXandYValues(String series_title_in,
ArrayList<Float> x_data_in,
            ArrayList<Float> y_data_in, String plot_type) {

        XYSeries newSeries = new XYSeries(series_title_in);

        ArrayList<Float> seriesX = x_data_in;
        ArrayList<Float> seriesY = y_data_in;

        for(int i = 0; i < seriesX.size(); i++)
newSeries.add(seriesX.get(i), seriesY.get(i));



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