Bug 179676 [regression]Error when report has chart in master page[05]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
}
			try
			{
				Object output = itemPresentation.onRowSets( rowSets );
				if ( output != null )
				{
					int type = itemPresentation.getOutputType( );
					String imageMIMEType = itemPresentation.getImageMIMEType( );
					generatedContent = processExtendedContent( content, type, output, imageMIMEType );
				}
				itemPresentation.finish( );
			}
			catch ( BirtException ex )
			{
				context.addException( design.getHandle( ), ex );
				logger.log( Level.SEVERE, ex.getMessage( ), ex );
			}
		}
		return generatedContent;
	}
	/**
	 * handle the content created by the IPresentation
	 * 
	 * @param item
	 *            extended item design
	 * @param emitter
	 *            emitter used to output the contnet
	 * @param content
	 *            ext content
	 * @param type