JasperReport jasperReport = JasperCompileManager.compileReport(jrxmlPath);
JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap(), connection);
JasperExportManager.exportReportToHtmlFile(jasperPrint, htmlPath);
JasperViewer view = new JasperViewer(jasperPrint, false);
view.pack();
view.setVisible(true);