i successed to compile jrxml in eclipse as compile report click. But when i execute this report, i received this error message. how to fix this problem? please help me. net.sf.jasperreports.engine.fill.JRFillSubreport prepare 심각: Fill 1: exception java.lang.NullPointerException at net.sf.jasperreports.components.table.fill.TableReport.createCell(TableReport.java:1760) at net.sf.jasperreports.components.table.fill.TableReport$ReportBandCreator.createColumnCell(TableReport.java:647) at net.sf.jasperreports.components.table.fill.TableReport$ColumnHeaderCreator.createColumnCell(TableReport.java:859) at net.sf.jasperreports.components.table.fill.TableReport$ColumnHeaderCreator.createColumnCell(TableReport.java:836) at net.sf.jasperreports.components.table.fill.TableReport$ReportBandCreator.visitColumn(TableReport.java:619) at net.sf.jasperreports.components.table.fill.TableReport$ReportBandCreator.visitColumn(TableReport.java:585) at net.sf.jasperreports.components.table.StandardColumn.visitColumn(StandardColumn.java:74) at net.sf.jasperreports.components.table.fill.TableReport$ReportBandCreator.visit(TableReport.java:705) at net.sf.jasperreports.components.table.fill.TableReport.createColumnHeader(TableReport.java:1267) at net.sf.jasperreports.components.table.fill.TableReport.<init>(TableReport.java:431) at net.sf.jasperreports.components.table.fill.FillTable.createFillTableSubreportFactory(FillTable.java:335) at net.sf.jasperreports.components.table.fill.FillTable.createFillSubreport(FillTable.java:309) at net.sf.jasperreports.components.table.fill.FillTable.evaluate(FillTable.java:131) at net.sf.jasperreports.engine.fill.JRFillComponentElement.evaluate(JRFillComponentElement.java:110) at net.sf.jasperreports.engine.fill.JRFillElementContainer.evaluate(JRFillElementContainer.java:383) at net.sf.jasperreports.engine.fill.JRFillBand.evaluate(JRFillBand.java:548) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillColumnBand(JRVerticalFiller.java:2583) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillDetail(JRVerticalFiller.java:813) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:264) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:110) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:615) at net.sf.jasperreports.engine.fill.BaseReportFiller.fill(BaseReportFiller.java:413) at net.sf.jasperreports.engine.fill.JRFillSubreport.fillSubreport(JRFillSubreport.java:814) at net.sf.jasperreports.engine.fill.JRSubreportRunnable.run(JRSubreportRunnable.java:61) at net.sf.jasperreports.engine.fill.AbstractThreadSubreportRunner.run(AbstractThreadSubreportRunner.java:221) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)
