b1.getElement(1).setAttribute(AttributeNames.Core.NAMESPACE, AttributeNames.Core.NULL_VALUE, "Null Field2");
final LogicalPageBox logicalPageBox = DebugReportRunner.layoutSingleBand(report, report.getPageHeader());
//ModelPrinter.print(logicalPageBox);
final DebugOutputProcessorMetaData metaData = new DebugOutputProcessorMetaData();
metaData.initialize(report.getConfiguration());
final TableLayoutProducer tlb = new TableLayoutProducer(metaData);
tlb.update(logicalPageBox, false);
final TableContentProducer tcp = new TestTableContentProducer(tlb.getLayout(), metaData);
tcp.compute(logicalPageBox, false);