Code: Select all
JFreeChart chart = ChartFactory.createBarChart(
title, // chart title
null, // domain axis label
null,
null,
PlotOrientation.VERTICAL,
true, // include legend
true, // tooltips?
false // URL generator? Not required...
);
Code: Select all
java.lang.IllegalArgumentException: Null 'dataset' argument.
at org.jfree.data.general.DatasetUtilities.findRangeExtent(DatasetUtilities.java:688)
at org.jfree.chart.renderer.category.AbstractCategoryItemRenderer.getRangeExtent(AbstractCategoryItemRenderer.java:516)
at org.jfree.chart.plot.CategoryPlot.getDataRange(CategoryPlot.java:2294)
at org.jfree.chart.axis.NumberAxis.autoAdjustRange(NumberAxis.java:350)
at org.jfree.chart.axis.NumberAxis.configure(NumberAxis.java:333)
at org.jfree.chart.axis.Axis.setPlot(Axis.java:702)
at org.jfree.chart.plot.CategoryPlot.<init>(CategoryPlot.java:368)
at org.jfree.chart.ChartFactory.createBarChart(ChartFactory.java:546)