Bug 121687 Exception throws when export data in table which inside a grid cell.
Description: Exception throws when export data in table which inside a grid cell. Steps to reproduce: 1. insert a grid. 2. insert one table to one grid cell. 3. insert another table to the other grid cell. 4. export data in two tables. Expected result: Data are exported. Actual result: Exception in: ReportEngineService.getMetaData( )
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
addReportDefaultPropertyValue( Style.BORDER_BOTTOM_WIDTH_PROP, handle );
		addReportDefaultPropertyValue( Style.BORDER_LEFT_COLOR_PROP, handle,
				true );
		addReportDefaultPropertyValue( Style.BORDER_LEFT_STYLE_PROP, handle );
		addReportDefaultPropertyValue( Style.BORDER_LEFT_WIDTH_PROP, handle );
		addReportDefaultPropertyValue( Style.BORDER_RIGHT_COLOR_PROP, handle,
				true );
		addReportDefaultPropertyValue( Style.BORDER_RIGHT_STYLE_PROP, handle );
		addReportDefaultPropertyValue( Style.BORDER_RIGHT_WIDTH_PROP, handle );
		addReportDefaultPropertyValue( Style.BORDER_TOP_COLOR_PROP, handle,
				true );
		addReportDefaultPropertyValue( Style.BORDER_TOP_STYLE_PROP, handle );
		addReportDefaultPropertyValue( Style.BORDER_TOP_WIDTH_PROP, handle );
		
		addReportDefaultPropertyValue( Style.MARGIN_TOP_PROP, handle );
		addReportDefaultPropertyValue( Style.MARGIN_LEFT_PROP, handle );
		addReportDefaultPropertyValue( Style.MARGIN_BOTTOM_PROP, handle );
		addReportDefaultPropertyValue( Style.MARGIN_RIGHT_PROP, handle );
		
		addReportDefaultPropertyValue( Style.PADDING_TOP_PROP, handle );
		addReportDefaultPropertyValue( Style.PADDING_LEFT_PROP, handle );
		addReportDefaultPropertyValue( Style.PADDING_BOTTOM_PROP, handle );
		addReportDefaultPropertyValue( Style.PADDING_RIGHT_PROP, handle );
		report.setRootStyleName( assignStyleName( inheritableReportStyle ) );
		if ( nonInheritableReportStyle.isEmpty( ) )
		{
			nonInheritableReportStyle = null;
		}
		else
		{