Bug 208412 Enhance Chart Engine to process grouped, uni-dimensional Data
chart/org.eclipse.birt.chart.reportitem/src/org/eclipse/birt/chart/reportitem/ChartReportItemPresentationBase.java
&& ( (ChartException) ex ).getType( ) == ChartException.ALL_NULL_DATASET )
		{
			
			
			return true;
		}
		if ( ( ex instanceof ChartException && ( (ChartException) ex ).getType( ) == ChartException.INVALID_IMAGE_SIZE ) )
		{
			
			
			logger.log( birtException );
			return true;
		}
		logger.log( ILogger.ERROR,
				Messages.getString( "ChartReportItemPresentationImpl.log.onRowSetsFailed" ) ); 
		logger.log( birtException );
		return false;
	}
	private void initializeRuntimeContext(
			IDataRowExpressionEvaluator rowAdapter )
	{
		rtc.setActionRenderer( new BIRTActionRenderer( this.handle,
				this.ah,
				rowAdapter,
				this.context ) );
		rtc.setMessageLookup( new BIRTMessageLookup( context ) );
		Object renderContext = context.getAppContext( )
				.get( EngineConstants.APPCONTEXT_HTML_RENDER_CONTEXT );
		
		if ( renderContext instanceof HTMLRenderContext )