Jasper produces report with only one page

Question

I tried to fill a report with Java.

My main report has some subreports with different levels.

When I try to show my report, I see only the first page, I don't know where I'm wrong:

Follow structure and Java code:

Report structure

Main report: rpt_accesso_storico.jrml First level subreport: rpt_accesso_storico_sub.jrxml Second level subreports (called by rpt_accesso_storico_sub.jrxml)

• rpt_generale_sub.jrxml
• rpt_sociale_sub.jrxml
• rpt_ginecologico_sub.jrxml
• rpt_ostetrico_sub.jrxml
• rpt_generale_sub.jrxml Third level subreports: rpt_primocontatto_sub.jrxml (used in every second level report)

The Java code

Step 1:

In parameter hashmap I add all compiled subreports so in the .jrxml file I've added all subreports as Parameters as follow:

InputStream myIS = new ByteArrayInputStream(outByteArrayStream.toByteArray());
JasperDesign jasperDesign = JRXmlLoader.load(myIS);
JasperReport jr = JasperCompileManager.compileReport(jasperDesign);
if (entryName.equals("rpt_generale_sub.jrxml")) {
    parameters.put("subreportGen", jr);
} else if (entryName.equals("rpt_ostetrico_sub.jrxml")) {
    parameters.put("subreportOst", jr);
} else if (entryName.equals("rpt_infermieristico_sub.jrxml")) {
    parameters.put("subreportInf", jr);
} else if (entryName.equals("rpt_sociale_sub.jrxml")) {
    parameters.put("subreportSoc", jr);
} else if (entryName.equals("rpt_ginecologico_sub.jrxml")) {
    parameters.put("subreportGin", jr);
} else if (entryName.equals("rpt_psicologico_sub.jrxml")) {
    parameters.put("subreportPsi", jr);
} else if (entryName.equals("rpt_accesso_storico_sub.jrxml")) {
    parameters.put("subreportA", jr);   
} else if (entryName.equals("rpt_gen_primocontatto_sub.jrxml")) {
    parameters.put("subGenPrimoContatto", jr);
}

Obviously that snippet is inside a for loop

Step 2:

I have a JasperDesign object as follow where inputStream is the main report file:

JasperDesign jasperDesign = JRXmlLoader.load(inputStream);
JasperReport jasperReport = JasperCompileManager.compileReport(jasperDesign);
JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, conn);

Then I compile the jasperDesign in JasperReport object and finally I try to fill report with parameters where in that object I've all compiled subreports and the list of object to fill them.

But when I see the final result I've this:

My report has only one page, and the other informations are cut.

After that, I add the parameters:

Map<String, Object> myParameters = getJasperParameterMapsForAccessoStorico(lstDatiRichiesta, listPrintData, idUtente, idEnteUtente, hmListeValori);

In the pom I've used jasperreports 6.20.0

JRXML snippet code about subreport

In the main report:

<subreport>
                <reportElement positionType="Float" stretchType="ContainerHeight" x="20" y="6" width="550" height="40" uuid="d114b45a-18f1-41c2-96f6-92b4c507ebd5"/>
                <subreportParameter name="subreportGen">
                    <subreportParameterExpression><![CDATA[$P{subreportGen}]]></subreportParameterExpression>
                </subreportParameter>
                <subreportParameter name="subreportSoc">
                    <subreportParameterExpression><![CDATA[$P{subreportSoc}]]></subreportParameterExpression>
                </subreportParameter>
                <subreportParameter name="subreportInf">
                    <subreportParameterExpression><![CDATA[$P{subreportInf}]]></subreportParameterExpression>
                </subreportParameter>
                <subreportParameter name="subreportGin">
                    <subreportParameterExpression><![CDATA[$P{subreportGin}]]></subreportParameterExpression>
                </subreportParameter>
                <subreportParameter name="subreportOst">
                    <subreportParameterExpression><![CDATA[$P{subreportOst}]]></subreportParameterExpression>
                </subreportParameter>
                <subreportParameter name="subreportPsi">
                    <subreportParameterExpression><![CDATA[$P{subreportPsi}]]></subreportParameterExpression>
                </subreportParameter>
                <subreportParameter name="subGenPrimoContatto">
                    <subreportParameterExpression><![CDATA[$P{subGenPrimoContatto}]]></subreportParameterExpression>
                </subreportParameter>
                <dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($P{listaEventi})]]></dataSourceExpression>
                <subreportExpression><![CDATA[$P{subreportA}]]></subreportExpression>
</subreport>

In the first level subreport:

<groupHeader>
        <band height="55">
            <printWhenExpression><![CDATA[$F{idEventoClinico}=="EV_CLI_GEN"]]></printWhenExpression>
            <staticText>
                <reportElement x="0" y="0" width="130" height="20" uuid="0d05dbc4-3928-4d79-b633-e679eb7e9ea3"/>
                <textElement>
                    <font fontName="SansSerif" size="14" isBold="true"/>
                </textElement>
                <text><![CDATA[Generale]]></text>
            </staticText>
            <subreport>
                <reportElement positionType="Float" x="10" y="20" width="490" height="21" uuid="77df01e2-1477-4352-92ae-57c7a3ef56d1"/>
                <subreportParameter name="subGenPrimoContatto">
                    <subreportParameterExpression><![CDATA[$P{subGenPrimoContatto}]]></subreportParameterExpression>
                </subreportParameter>
                <dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{lstRichieste})]]></dataSourceExpression>
                <subreportExpression><![CDATA[$P{subreportGen}]]></subreportExpression>
            </subreport>
        </band>
        <band height="50">
            <printWhenExpression><![CDATA[$F{idEventoClinico}=="EV_CLI_SOC"]]></printWhenExpression>
            <staticText>
                <reportElement x="0" y="0" width="130" height="20" uuid="be5d447e-7098-4073-9aca-6b7f8b368543"/>
                <textElement>
                    <font fontName="SansSerif" size="14" isBold="true"/>
                </textElement>
                <text><![CDATA[Sociale]]></text>
            </staticText>
            <subreport>
                <reportElement positionType="Float" stretchType="ContainerHeight" x="10" y="20" width="490" height="21" uuid="d4f897e4-a38f-483d-aa56-de83baec648a"/>
                <subreportParameter name="subGenPrimoContatto">
                    <subreportParameterExpression><![CDATA[$P{subGenPrimoContatto}]]></subreportParameterExpression>
                </subreportParameter>
                <dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{lstRichieste})]]></dataSourceExpression>
                <subreportExpression><![CDATA[$P{subreportSoc}]]></subreportExpression>
            </subreport>
        </band>
        <band height="50">
            <printWhenExpression><![CDATA[$F{idEventoClinico}=="EV_CLI_INF"]]></printWhenExpression>
            <staticText>
                <reportElement x="0" y="0" width="130" height="20" uuid="66cca17d-f41a-4a53-9cdc-d1f47563ec70"/>
                <textElement>
                    <font fontName="SansSerif" size="14" isBold="true"/>
                </textElement>
                <text><![CDATA[Infermieristico]]></text>
            </staticText>
            <subreport>
                <reportElement positionType="Float" x="10" y="20" width="490" height="21" uuid="fed4f140-3f7c-49f0-8aca-9228559db184"/>
                <subreportParameter name="subGenPrimoContatto">
                    <subreportParameterExpression><![CDATA[$P{subGenPrimoContatto}]]></subreportParameterExpression>
                </subreportParameter>
                <dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{lstRichieste})]]></dataSourceExpression>
                <subreportExpression><![CDATA[$P{subreportInf}]]></subreportExpression>
            </subreport>
        </band>
        <band height="50">
            <printWhenExpression><![CDATA[$F{idEventoClinico}=="EV_CLI_OST"]]></printWhenExpression>
            <staticText>
                <reportElement x="0" y="0" width="130" height="20" uuid="90dee808-1605-42d8-bce3-aa0afaf8d4b5"/>
                <textElement>
                    <font fontName="SansSerif" size="14" isBold="true"/>
                </textElement>
                <text><![CDATA[Ostetrico]]></text>
            </staticText>
            <subreport>
                <reportElement positionType="Float" x="10" y="20" width="490" height="21" uuid="0fac5612-6938-477d-8f9b-c879349b7008"/>
                <subreportParameter name="subGenPrimoContatto">
                    <subreportParameterExpression><![CDATA[$P{subGenPrimoContatto}]]></subreportParameterExpression>
                </subreportParameter>
                <dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{lstRichieste})]]></dataSourceExpression>
                <subreportExpression><![CDATA[$P{subreportOst}]]></subreportExpression>
            </subreport>
        </band>
        <band height="50">
            <printWhenExpression><![CDATA[$F{idEventoClinico}=="EV_CLI_GIN"]]></printWhenExpression>
            <staticText>
                <reportElement x="0" y="0" width="130" height="20" uuid="df1c0abb-b7b6-4e5b-8525-83d5455f4fde"/>
                <textElement>
                    <font fontName="SansSerif" size="14" isBold="true"/>
                </textElement>
                <text><![CDATA[Ginecologico]]></text>
            </staticText>
            <subreport>
                <reportElement positionType="Float" x="10" y="20" width="490" height="21" uuid="d0118f35-1fbf-4a61-9a9b-90bc9c0c8821"/>
                <subreportParameter name="subGenPrimoContatto">
                    <subreportParameterExpression><![CDATA[$P{subGenPrimoContatto}]]></subreportParameterExpression>
                </subreportParameter>
                <dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{lstRichieste})]]></dataSourceExpression>
                <subreportExpression><![CDATA[$P{subreportGin}]]></subreportExpression>
            </subreport>
        </band>
        <band height="50">
            <printWhenExpression><![CDATA[$F{idEventoClinico}=="EV_CLI_PSI"]]></printWhenExpression>
            <staticText>
                <reportElement x="0" y="0" width="130" height="20" uuid="8a3a7a2f-8920-471f-97c3-4884a2429ff4"/>
                <textElement>
                    <font fontName="SansSerif" size="14" isBold="true"/>
                </textElement>
                <text><![CDATA[Psicologico]]></text>
            </staticText>
            <subreport>
                <reportElement positionType="Float" x="10" y="20" width="490" height="21" uuid="811c8cc4-8492-4b26-9680-27bff1b97abe"/>
                <subreportParameter name="subGenPrimoContatto">
                    <subreportParameterExpression><![CDATA[$P{subGenPrimoContatto}]]></subreportParameterExpression>
                </subreportParameter>
                <dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{lstRichieste})]]></dataSourceExpression>
                <subreportExpression><![CDATA[$P{subreportPsi}]]></subreportExpression>
            </subreport>
        </band>
</groupHeader>

FINAL EDIT

I've found an error in other custom method about post process of PDF file, so Jasper Studio and Jasper library are ok.

Answer 1

I'm pretty sure the problem is not in your java itself, but in your jrxml, could you post how your code is there?

I have a very similar example, see how I did it ->

public static Object printJasper(@NonNull final Collection data,
                                 @NonNull String titulo,
                                 String subReport) throws JRException {


    Map<String, Object> map = new HashMap<String, Object>();
    map.put("SUBREPORT_DIR",  new ClassPathResource(String.format("/target/classes/jasper/%s.jasper", subReport)));

    JasperPrint print  = JasperFillManager.fillReport(String.valueOf(new ClassPathResource(String.format("/target/classes/jasper/%s.jasper"
            , titulo))),map, buildDatasource(data));

    return exportPdf(print);

}

My exportPdf

private static byte[] exportPdf(final JasperPrint print) throws JRException {
    final var exporter = new JRPdfExporter();
    final var output = new ByteArrayOutputStream();
    exporter.setExporterInput(new SimpleExporterInput(print));
    exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(output));
    exporter.exportReport();
    return output.toByteArray();
}

My JRXML

<subreport>
            <reportElement positionType="Float" x="1" y="0" width="553" height="20" uuid="dcb4de43-b64f-4e50-a4b1-5ad31a1cd9a2"/>
            <dataSourceExpression><![CDATA[((net.sf.jasperreports.engine.data.JsonDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("carga.ordens")]]></dataSourceExpression>
            <subreportExpression><![CDATA[$P{SUBREPORT_DIR}]]></subreportExpression>
</subreport>