Bug 200751 NPE in Excel emitter
writer.text( ( (Data) d ).txt.toString( ) ); SEVERE: An error happened while running the report. Cause: java.lang.NullPointerException at org.eclipse.birt.report.engine.emitter.excel.ExcelWriter.writeText(Ex celWriter.java:102) at org.eclipse.birt.report.engine.emitter.excel.ExcelWriter.writeTxtData (ExcelWriter.java:152) at org.eclipse.birt.report.engine.emitter.excel.ExcelEmitter.outputData( ExcelEmitter.java:311) at org.eclipse.birt.report.engine.emitter.excel.ExcelEmitter.end(ExcelEm itter.java:286) at org.eclipse.birt.report.engine.api.impl.RenderTask$PageRangeRender.re nder(RenderTask.java:593) at org.eclipse.birt.report.engine.api.impl.RenderTask.render(RenderTask. java:260)
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/StyleEngine.java
return entry;
	}
	public void calculateTopStyles( )
	{
		if ( engine.getContainers( ).size( ) > 0 )
		{
			XlsContainer container = engine.getCurrentContainer( );
			StyleEntry style = container.getStyle( );
			boolean first = style.isStart( );
			if ( first )
			{
				Rule rule = container.getRule( );
				int start = container.getStart( );
				applyContainerTopBorder( rule, start );
				style.setStart( false );
			}
		}
	}
	public StyleEntry createHorizionStyle( Rule rule )
	{
		StyleEntry entry = StyleBuilder.createEmptyStyleEntry( );
		
		if(engine.getContainers( ).size( ) > 0)
		{
			XlsContainer container = engine.getCurrentContainer( );
			Rule crule = container.getRule( );
			StyleEntry cEntry = container.getStyle( );
			StyleBuilder.mergeInheritableProp( cEntry, entry );
			if ( rule.getStart( ) == crule.getStart( ) )
			{