Bug 188336 Fairly Simple Report Generates NPE When Saving as Excel
When attempting to Save the attached report to Excel, the following error is displayed in the viewer instead of the Excel file: + org.eclipse.birt.report.service.api.ReportServiceException: Error happened while running the report; nested exception is: java.util.EmptyStackException
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/ExcelEmitter.java
writer.close( true );
		}
		catch ( Exception e )
		{
			logger.log( Level.WARNING, e.getMessage( ), e );
			throw new RuntimeException( e );
		}
	}
	public void endCell( ICellContent cell )
	{
	}
	public void endContainer( IContainerContent container )
	{
	}
	public void endContent( IContent content )
	{
	}
	public void endGroup( IGroupContent group )
	{
	}
	public void endList( IListContent list )
	{
		endCase( );
	}
	public void endListBand( IListBandContent listBand )
	{
	}
	public void endListGroup( IListGroupContent group )
	{
	}