Bug 180402 [Smoke][Automation][Regression] Chart cannot be rendered at all
steps to reproduce: - create a report - add a chart item to the report - preview the report expected behavior: - chart is rendered actual behavior: - chart was not rendered at all
chart/org.eclipse.birt.chart.reportitem/src/org/eclipse/birt/chart/reportitem/ChartReportItemGenerationImpl.java
private Chart cm = null;
	private DesignElementHandle handle = null;
	private RunTimeContext rtc = null;
	private static ILogger logger = Logger.getLogger( "org.eclipse.birt.chart.reportitem/trace" ); 
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.extension.IReportItemGeneration#setModelObject(org.eclipse.birt.report.model.api.ExtendedItemHandle)
	 */
	public void setModelObject( ExtendedItemHandle eih )
	{
		super.setModelObject( modelHandle );
		IReportItem item = null;
		try
		{
			item = eih.getReportItem( );
		}
		catch ( ExtendedElementException e )
		{
			logger.log( e );
		}
		if ( item == null )
		{
			try
			{
				eih.loadExtendedElement( );
				item = eih.getReportItem( );
			}
			catch ( ExtendedElementException eeex )
			{