Relatorio usando JFreeReport

Olá pessoal,

Tenho uma aplicação Desktop que gerá um relatorio, e ao gerar esse relatório tem as opções
de exportar para um arquivo, excel,csv e outros.
Quando mando exportar ele cria o arquivo zerado e da exceção que segue abaixo,

DEBUG: Init: org.jfree.report.modules.gui.rtf.RTFExportGUIModule [gui-rtf]
DEBUG: Init: org.jfree.report.modules.gui.xls.ExcelExportGUIModule [gui-xls]
DEBUG: Init: org.jfree.report.modules.misc.referencedoc.ReferenceDocModule [misc-referencedoc]
INFO: setReport(…): started pagination …
Exception in thread “export-worker–0” java.lang.NoSuchMethodError: org.apache.poi.hssf.usermodel.HSSFClientAnchor.setAnchorType(I)V
at org.jfree.report.modules.output.table.xls.metaelements.ExcelImageElement.applyValue(ExcelImageElement.java:120)
at org.jfree.report.modules.output.table.xls.ExcelContentCreator.exportCell(ExcelContentCreator.java:38
at org.jfree.report.modules.output.table.xls.ExcelContentCreator.handleFlush(ExcelContentCreator.java:330)
at org.jfree.report.modules.output.table.base.TableContentCreator.flush(TableContentCreator.java:160)
at org.jfree.report.modules.output.table.base.TableWriter.doPrint(TableWriter.java:475)
at org.jfree.report.modules.output.table.base.TableWriter.print(TableWriter.java:327)
at org.jfree.report.modules.output.support.pagelayout.SimplePageLayoutDelegate.pageStarted(SimplePageLayoutDelegate.java:327)
at org.jfree.report.modules.output.table.base.TableWriter.pageStarted(TableWriter.java:652)
at org.jfree.report.function.LevelledExpressionList.pageStarted(LevelledExpressionList.java:362)
at org.jfree.report.states.ReportState.firePageStartedEvent(ReportState.java:717)
at org.jfree.report.modules.output.table.base.TableWriter.restartPage(TableWriter.java:553)
at org.jfree.report.modules.output.table.base.TableWriter.reportInitialized(TableWriter.java:847)
at org.jfree.report.function.LevelledExpressionList.reportInitialized(LevelledExpressionList.java:273)
at org.jfree.report.states.ReportState.fireReportInitializedEvent(ReportState.java:674)
at org.jfree.report.states.StartState.advance(StartState.java:126)
at org.jfree.report.modules.output.table.base.TableProcessor.createContent(TableProcessor.java:523)
at org.jfree.report.modules.output.table.base.TableProcessor.processReport(TableProcessor.java:469)
at org.jfree.report.modules.gui.xls.ExcelExportTask.performExport(ExcelExportTask.java:127)
at org.jfree.report.modules.gui.base.ExportTask.run(ExportTask.java:256)
at org.jfree.report.util.Worker.run(Worker.java:166)
WARN: Invalid column name specified on query: sheetNameExpression
DEBUG: Creating a workbook: null

Estou utilizando o jfreeReport 0.8.7_2.jar.

Ola,

Vc tem que ter a api do apache poi no seu classpath, só não sei qual a versão… isto vc tera que investigar…

Eu tenho o apache poi no meu classpath, mas vou investigar versões do poi.

Obrigado