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
*/
	private void endCase( )
	{
		engine.calculateBottomStyles( );
	}
	/**
	 * 1. calculate the binding information.
	 * 2. complete the table.
	 * @param table
	 * 				table element 
	 */
	public void endTable( ITableContent table )
	{
		TableBinding tb = (TableBinding) table2TableBinding.get( table
				.getGenerateBy( ) );
		if ( tb != null )
		{
			GroupInfo gi = (GroupInfo) groupInfos.pop( );
			tb.compute( gi );
			tb.dump( formulaDatas );
			tableBindings.pop( );
		}
		endCase( );
	}
	public void endTableBand( ITableBandContent band )
	{
	}
	public void endTableGroup( ITableGroupContent group )
	{
		groupInfos.pop( );