I am trying to export excel report from jasper report using following code block,
JasperPrint jasperPrint = JasperFillManager.fillReport((JasperReport) request.getSession().getAttribute("report"),
(Map) request.getSession().getAttribute("parameters"), getConnection());
ServletOutputStream out = response.getOutputStream();
JRXlsExporter exporter = new JRXlsExporter();
exporter.setExporterInput(new SimpleExporterInput(jasperPrint));
exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(out));
exporter.exportReport();
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-disposition", "attachment; filename=" + request.getSession().getAttribute("name") + ".xls");
out.flush();
When above code executes, instead of file save dialog, following shows in browser,
But when i try to export report in PDF format, it executes perfectly. I tried to trace out server and application logs to get hint what is actually happening wrong for excel export, but unable to get any hint. I am using libraries like jasper report 6.4.0, poi 3.14 and tomcat 8.5.15.
So my question is, in this circumstances, what exactly might be the problem here which is failing excel export? Any idea regarding solving the problem or tips on how can i trace the problem will be appreciated.