Bug 317267 [Automation][Regression]Error is thrown out when preview gantt type chart
chart/org.eclipse.birt.chart.engine.extension/src/org/eclipse/birt/chart/extension/datafeed/GanttDataSetProcessorImpl.java
catch ( ParseException e1 )
				{
					
					startElement  = Calendar.getInstance(TimeZone.getDefault()).getTime() ;
				}
				Date endElement = new Date( startElement.getTime( )
						+ startElement.getTime( )
						/ 20 );
				vData.add( new GanttEntry( new CDateTime( startElement ),
						new CDateTime( endElement ),
						"Label" + i ) ); 
				
				
				i++;
				continue;
			}
			GanttEntry entry = new GanttEntry( (CDateTime) null,
					(CDateTime) null,
					null );
			while ( strTokComponents.hasMoreTokens( ) )
			{
				strComponent = strTokComponents.nextToken( ).trim( );
				try
				{
					if ( strComponent.toUpperCase( ).startsWith( "S" ) ) 
					{
						Date dateComponent = sdf.parse( strComponent.substring( 1 ) );
						entry.setStart( new CDateTime( dateComponent ) );
					}
					else if ( strComponent.toUpperCase( ).startsWith( "E" ) )