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
HyperlinkDef url = parseHyperLink( autoText );
		addData( autoText.getGenerateBy( ), autoText.getComputedStyle( ), url,
				autoText.getText( ) );
	}
	public void startCell( ICellContent cell )
	{
		CellDesign design = (CellDesign) cell.getGenerateBy( );
		if ( design.getContentCount( ) == 0 )
		{
			HyperlinkDef url = parseHyperLink( cell );
			addData( design, cell.getComputedStyle( ), url, EMPTY );
		}
	}
	public void startContainer( IContainerContent container )
	{
	}
	public void startContent( IContent content )
	{
	}
	public void startData( IDataContent data )
	{
		HyperlinkDef url = parseHyperLink( data );
		addData( data.getGenerateBy( ), data.getComputedStyle( ), url, data
				.getText( ) );		
	}
	public void startForeign( IForeignContent foreign )
	{
		if ( IForeignContent.HTML_TYPE.equalsIgnoreCase( foreign.getRawType( ) ) )
		{
			HTML2Content convert = new HTML2Content( foreign.getReportContent( )