Bug 181361 Exception is thrown out in Chart builder when you set all null values for Value Series [0001]
Description: Exception is thrown out in Chart builder when you set all null values for Value Series. Build number: 2.2.0.v20070405-0630 Steps to reproduce: 1. Create a Bar Chart, set all null value data for Value Series. Expected result: No exception is thrown out. Actual result: Exception is thrown out (See the screenshot). Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/PlotWith2DAxes.java
* for rendering.
 * 
 * WARNING: This is an internal class and subject to change
 */
public final class PlotWith2DAxes extends PlotWithAxes
{
	/**
	 * This complex reference is used in rendering stacked series otherwise
	 * unused.
	 */
	private StackedSeriesLookup ssl = null;
	private int iMarginPercent = 0;
	private Bounds boPlotWithMargin = BoundsImpl.create( 0, 0, 100, 100 );
	/**
	 * The default constructor
	 * 
	 * @param _ids
	 *            The display server using which the chart is computed
	 * @param _cwa
	 *            An instance of the model (ChartWithAxes)
	 * @throws ValidationException
	 * @throws UndefinedValueException
	 * @throws UnexpectedInputException
	 */
	public PlotWith2DAxes( IDisplayServer _ids, ChartWithAxes _cwa,
			RunTimeContext _rtc ) throws IllegalArgumentException,
			ChartException
	{
		cwa = _cwa;
		ids = _ids;