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/PlotWith3DAxes.java
int iAncillaryAxisType = getAxisType( axAncillaryBase );
		if ( iAncillaryAxisType == TEXT || oaxAncillaryBase.isCategoryScale( ) )
		{
			oaData = getAncillaryDataSet( axAncillaryBase,
					axPrimaryOrthogonal,
					iAncillaryAxisType );
		}
		else if ( ( iAncillaryAxisType & NUMERICAL ) == NUMERICAL )
		{
			oaData = getMinMax( axAncillaryBase, iAncillaryAxisType );
		}
		else if ( ( iAncillaryAxisType & DATE_TIME ) == DATE_TIME )
		{
			oaData = getMinMax( axAncillaryBase, iAncillaryAxisType );
		}
		DataSetIterator dsiAncillary = ( oaData instanceof DataSetIterator ) ? (DataSetIterator) oaData
				: new DataSetIterator( oaData, iAncillaryAxisType );
		oaData = null;
		
		OneAxis oaxPrimaryOrthogonal = aax.getPrimaryOrthogonal( );
		int iOrthogonalAxisType = getAxisType( axPrimaryOrthogonal );
		DataSetIterator dsiOrthogonal = null;
		if ( ( iOrthogonalAxisType & NUMERICAL ) == NUMERICAL
				|| ( iOrthogonalAxisType & DATE_TIME ) == DATE_TIME )
		{
			dsiOrthogonal = new DataSetIterator( getMinMax( axPrimaryOrthogonal,
					iOrthogonalAxisType ),
					iOrthogonalAxisType );
		}
		else