• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Jeanne Boyarsky
  • Ron McLeod
  • Paul Clapham
  • Liutauras Vilda
Sheriffs:
  • paul wheaton
  • Rob Spoor
  • Devaka Cooray
Saloon Keepers:
  • Stephan van Hulst
  • Tim Holloway
  • Carey Brown
  • Frits Walraven
  • Tim Moores
Bartenders:
  • Mikalai Zaikin

Problem while generating PDF from Servlet using Jasper Report

 
Greenhorn
Posts: 19
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
I m facing problem while generating PDF using Japer report. below is the servlet code that is handlig client request.

response.setContentType("application/pdf");
response.setHeader("Content-disposition","attachment; filename=\""+ReportName+""+currDate+".pdf \"");
response.getOutputStream().write(optionHoldingsReport.generateOptionHoldingsReport(jrxmlPath));
response.flushBuffer();

And generateOptionHoldingsReport method returns byte array and i am writiing this byte array to the outputstream..below is code of this method.

public byte[] generateOptionHoldingsReport(String jrxmlPath) throws Exception
{
logger.debug("[OptioHoldingsReport - Inside generateOptioHoldingsReport() :] ");
logger.info("jrxmlPath:"+jrxmlPath);
List dataList=new ArrayList();
byte[] reportData=null;
HashMap parameters = new HashMap();
JasperPrint jasperPrint;
try
{
logger.info("ReportConstants.HEADER_IMAGE_PATH:"+ReportConstants.HEADER_IMAGE_PATH);
parameters.put("imagePath", ReportConstants.HEADER_IMAGE_PATH);
dataList= populateData();

JasperReport jasperReport = JasperManager.loadReport(jrxmlPath);
logger.info("jasperReport: "+jasperReport);
JRBeanCollectionDataSource ds = new JRBeanCollectionDataSource(dataList);
logger.info("ds: "+ds);
reportData = JasperRunManager.runReportToPdf(jasperReport,parameters, ds);
logger.info("reportData: "+reportData);
//jasperPrint = JasperFillManager.fillReport(jasperReport,parameters, ds);
//JasperExportManager.exportReportToPdfStream(jasperPrint,servletOutputStream);
logger.info("Exit");
}
catch(Exception e)
{
logger.error("[ OptioHoldingsReport - generateOptioHoldingsReport ():] Exception is "+e.getMessage());
}
return reportData;
}

this api is not throwing any exeption but its not printing below line in logger. and adobe reader is showing error that it can not open pdf file due to unsupported type format.
logger.info("reportData: "+reportData);



What change i should make to generate proper PDF file.
Please suggest.



 
reply
    Bookmark Topic Watch Topic
  • New Topic