Bug 189806 Add aggregation data item to a table - Exception is thrown
- Add a table with dataset to a report design - DnD aggregation from palette to the table footer - Aggregation builder is shown - Choose SUM function on "Quantity orderred" data field Current behavior - A exception is thrown which say java.util.EmptyStackException
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/dialogs/CrosstabBindingDialogHelper.java
if ( arg.getValue( ) != null )
				{
					Text txtArg = (Text) argsMap.get( arg.getName( ) );
					txtArg.setText( arg.getValue( ) );
				}
			}
		}
	}
	private String[] getFunctionDisplayNames( )
	{
		List functions = DEUtil.getMetaDataDictionary( ).getFunctions( );
		String[] displayNames = new String[functions.size( )];
		for ( int i = 0; i < displayNames.length; i++ )
		{
			displayNames[i] = ( (IMethodInfo) functions.get( i ) ).getName( );
		}
		return displayNames;
	}
	/**
	 * fill the cmbDataField with binding holder's bindings
	 */
	private void initDataFields( )
	{
		cmbDataField.setItems( getMesureNames( ) );
		if ( binding != null )
		{
			cmbDataField.setText( binding.getExpression( ) );
		}
	}
	private String[] getMesureNames( )