Bug 152898 Error Bar Chart
Version: 3.2.0 Build id: I20060602-1317 The option of chart sometimes works ok, but sometimes it has the following error:
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AutoScale.java
sc = scCloned;
					break;
				}
			}
			
			if ( scCloned != null && bFirstFit && bZoomSuccess )
			{
				sc = scCloned;
			}
		}
		else if ( ( iType & DATE_TIME ) == DATE_TIME )
		{
			Calendar cValue;
			Calendar caMin = null, caMax = null;
			dsi.reset( );
			while ( dsi.hasNext( ) )
			{
				cValue = (Calendar) dsi.next( );
				if ( cValue == null ) 
				{
					continue;
				}
				if ( caMin == null )
				{
					caMin = cValue;
				}
				if ( caMax == null )
				{
					caMax = cValue;
				}