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
final DataPoint dp = seOrthogonal.getDataPoint( );
			final EList el = dp.getComponents( );
			DataPointComponent dpc;
			DataPointComponentType dpct;
			FormatSpecifier fsBase = null, fsOrthogonal = null, fsSeries = null, fsPercentile = null;
			for ( int i = 0; i < el.size( ); i++ )
			{
				dpc = (DataPointComponent) el.get( i );
				dpct = dpc.getType( );
				if ( DataPointComponentType.BASE_VALUE_LITERAL.equals( dpct ) )
				{
					fsBase = dpc.getFormatSpecifier( );
					if ( fsBase == null ) 
					{
						fsBase = sdBase.getFormatSpecifier( );
					}
				}
				if ( DataPointComponentType.ORTHOGONAL_VALUE_LITERAL.equals( dpct ) )
				{
					fsOrthogonal = dpc.getFormatSpecifier( );
					if ( fsOrthogonal == null
							&& seOrthogonal.eContainer( ) instanceof SeriesDefinition )
					{
						fsOrthogonal = ( (SeriesDefinition) seOrthogonal.eContainer( ) ).getFormatSpecifier( );
					}
				}
				if ( DataPointComponentType.SERIES_VALUE_LITERAL.equals( dpct ) )
				{
					fsSeries = dpc.getFormatSpecifier( );