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
StyleBuilder.applyLeftBorder( cEntry, entry );
			}
			if ( rule.getEnd( ) == crule.getEnd( ) )
			{
				StyleBuilder.applyRightBorder( cEntry, entry );
			}
		}
		return entry;
	}
	public void removeContainerStyle( )
	{
		calculateBottomStyles( );
	}
	public void calculateBottomStyles( )
	{
		if(engine.getContainers( ).size() == 0)
		{
			return;
		}	
		
		XlsContainer container = engine.getCurrentContainer( );
		Rule rule = container.getRule( );
		StyleEntry entry = container.getStyle( );
		if ( entry.isStart( ) )
		{
			calculateTopStyles( );
		}
		int start = rule.getStart( );
		int col = engine.getAxis().getCoordinate( start );
		int span = engine.getAxis().getCoordinate( rule.getEnd( ) ) - col;