Show blank PDF

[pochul2423]

Hello.

I checked D:\report11121.pdf genereted success.

But report is showing blank PDF page.

What is the problem?

<?xml version="1.0" encoding="UTF-8" ?><%@page import="java.io.ByteArrayOutputStream"%><%@page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@page import="com.bequs.common.bean.PlusWorkConfig"%><%@page import="com.bequs.common.util.CommonUtil"%><%@page import="java.io.File"%><%@page import="java.io.OutputStream"%><%@page import="java.sql.*"%><%@page import="java.util.HashMap"%><%@page import="java.util.Map"%><%@page import="net.sf.jasperreports.view.JasperViewer"%><%@page import="net.sf.jasperreports.engine.util.JRLoader"%><%@page import="net.sf.jasperreports.engine.*"%><%@page session="true" autoFlush="true" isErrorPage="false"%><%    String reportPath = PlusWorkConfig.getWebAppPath() + "report/eq/equipMasterReport.jasper";    String subReportPath1 = PlusWorkConfig.getWebAppPath() + "report/eq/equipMasterSubReport.jasper";    String subReportPath2 = PlusWorkConfig.getWebAppPath() + "report/eq/equipMasterSubReport2.jasper";    String subReportPath3 = PlusWorkConfig.getWebAppPath() + "report/eq/equipMasterSubReport3.jasper";    //String destPath = PlusWorkConfig.getWebAppPath() +  "report/pdf/report21.pdf";    String destPath = "D:\report11121.pdf"; String equipNoArray = request.getParameter("eqMstrCommonDTO.equipNo"); String equipNo = equipNoArray.replaceAll("/", "','").substring(0,equipNoArray.replaceAll("/", "','").length()-1);    File reportFile    = new File(reportPath);    if(reportFile.exists() == false) throw new Exception("Report File Not Found"+ reportFile.getPath());    Connection conn = null;    OutputStream os = null;    try{        out.clear();        out = pageContext.pushBody();     String [] connConfig = CommonUtil.getConn();     Class.forName("com.bequs.common.db.JndiObjectFactoryBeanUtil");     conn = DriverManager.getConnection(connConfig[0], connConfig[1], connConfig[2]);        JasperReportsContext jasperReportsContext = new SimpleJasperReportsContext();        JasperReport jasperReport = (JasperReport)JRLoader.loadObject(jasperReportsContext,reportFile);        Map<String, Object> parameters = new HashMap<String, Object>();        parameters.put("equipNo",equipNo);        parameters.put("eqSubReport1",subReportPath1);        parameters.put("eqSubReport2",subReportPath2);        parameters.put("eqSubReport3",subReportPath3);        JasperFillManager fillManager = JasperFillManager.getInstance(jasperReportsContext);        //JasperPrint jasperPrint = fillManager.fill(jasperReport, parameters, conn);        JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, conn);        JasperExportManager exportManager = JasperExportManager.getInstance(jasperReportsContext);        JasperExportManager.exportReportToPdfFile(jasperPrint, destPath);        out.clear();        out=pageContext.pushBody();        response.setHeader("Cache-Control", "no-store");        response.setHeader("Pragma", "no-cache");        response.setDateHeader("Expires", 0);       if(request.getProtocol().equals("HTTP/1.1")){        response.setHeader("Cache-Control", "no-cache");       }       response.setHeader("Content-Disposition", "inline");       response.setContentType("application/pdf");       os = response.getOutputStream();        JasperExportManager.exportReportToPdfStream(jasperPrint, os);        os.flush();    } catch(Exception e) {       e.printStackTrace();    } finally{        if (conn != null) try { conn.close(); } catch(Exception x){}        if (os != null) try { os.close(); } catch(Exception x){}    }%>[/code]

 

[C-Box]

Does the query of the report return some results? What is the "When No Data" type of the report? 

It's to few input to find the problem. 

regards

C-Box