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
AutoScale scPrimaryBase = null;
		OneAxis oaxPrimaryBase = aax.getPrimaryBase( );
		int iAxisType = getAxisType( axPrimaryBase );
		Object oaData = null;
		if ( iAxisType == TEXT || oaxPrimaryBase.isCategoryScale( ) )
		{
			oaData = getTypedDataSet( axPrimaryBase, iAxisType, 0 );
		}
		else if ( ( iAxisType & NUMERICAL ) == NUMERICAL )
		{
			oaData = getMinMax( axPrimaryBase, iAxisType );
		}
		else if ( ( iAxisType & DATE_TIME ) == DATE_TIME )
		{
			oaData = getMinMax( axPrimaryBase, iAxisType );
		}
		DataSetIterator dsi = ( oaData instanceof DataSetIterator ) ? (DataSetIterator) oaData
				: new DataSetIterator( oaData, iAxisType );
		oaData = null;
		dStart = ( aax.areAxesSwapped( ) ) ? dY + dH : dX;
		dEnd = ( aax.areAxesSwapped( ) ) ? dY : dStart + dW;
		int iDirection = AUTO;
		if ( isRightToLeft( ) )
		{
			
			if ( !aax.areAxesSwapped( ) )
			{
				double dTmp = dStart;
				dStart = dEnd;