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Blank PDF even with the simplest Jasperreport jrxml

Asked 2011-03-10T10:24:02.803
22

i have a EJB site with glassfish 3.1 + JSF for jasperreport 4.0.1. the site has no problem on streaming pdf, but it products blank PDF while printing PDF with runReportToPdfStream, below is the code snippet:

EJB 

public class BookEJB {  
    public void printReport() throws ClassNotFoundException, IOException, JRException {
        Map parameterMap = new HashMap();

        FacesContext ctx = FacesContext.getCurrentInstance();
        HttpServletResponse response = (HttpServletResponse) ctx.getExternalContext().getResponse();
        InputStream reportStream = ctx.getExternalContext().getResourceAsStream("/reports/test.jasper");

        ServletOutputStream servletOutputStream = response.getOutputStream();
        servletOutputStream.flush();

        response.setContentType("application/pdf");
        JasperRunManager.runReportToPdfStream(reportStream, servletOutputStream, parameterMap);

        servletOutputStream.flush();
        servletOutputStream.close();
        ctx.responseComplete();
}}

test.jrxml - a simple report without SQL connection 

<?xml version="1.0" encoding="UTF-8"?>
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="test" pageWidth="800" pageHeight="1200" columnWidth="555" leftMargin="25" rightMargin="25" topMargin="30" bottomMargin="30">
    <property name="ireport.zoom" value="1.0"/>
    <property name="ireport.x" value="0"/>
    <property name="ireport.y" value="0"/>
    <queryString>
        <![CDATA[]]>
    </queryString>
    <pageHeader>
        <band height="100">
            <staticText>
                <reportElement x="0" y="0" width="285" height="36"/>
java jasper-reports
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1 Answer

56

After all, JasperRunManager.runReportToPdfStream(reportStream, servletOutputStream, parameterMap, new JREmptyDataSource()); solved the problem.

Quote from Sanda of Jasperreport:

By default, when no datasource info is present in a report, JR generates no pages. Another option (which can be set in the report's whenNoDataType attribute) would be to print all report sections, excepting the <detail>.

This report contains a detail section, but only with some static data. To ensure this section will be printed too, the simplest way is to provide an empty data source, containing a single empty record.

Source: https://community.jaspersoft.com/questions/537650/blank-pdf-even-simplest-jrxml

answered 2011-03-17T02:59:47.183

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