Aquí está mi importación GeneratePdf.java ...

  public class GeneratePdf {
        public static void main(String[] args) {
        try {
            JRDataSource ds = getDatasource();
            // - Chargement et compilation du rapport
line32      JasperDesign jasperDesign = JRXmlLoader.load("/home/gocoffee.jrxml");
            JasperReport jasperReport = JasperCompileManager.compileReport(jasperDesign);

            // - Paramètres à envoyer au rapport
            Map parameters = new HashMap();
            parameters.put("Titre", "Titre");

            // - Execution du rapport
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport,
parameters, ds);

            // - Création du rapport au format PDF
            JasperExportManager.exportReportToPdfFile(jasperPrint, "home/test2.pdf");
        } catch (JRException e) {
        }
    }

onexión @Mongo y obtener datos ():

private static JRDataSource getDatasource() {
        // Retrieve session
        try{
            Mongo m = new Mongo("localhost", 27017);
            DB db = m.getDB("test");
            DBCollection t = db.getCollection("test");
            List<DBObject> list = t.getIndexInfo();
            JRDataSource ds = new JRBeanCollectionDataSource(list);
            return ds;
        } catch (UnknownHostException e) {
            System.out.println("Error mongo connection");
        } catch (Exception e) {
            System.out.println("Other Exception");
        }
        return null;
    }
}

Recibo este error pero no lo entiendo:

run:
17-Feb-2012 17:07:26 org.apache.commons.digester.Digester endElement
SEVERE: End event threw exception
java.lang.reflect.InvocationTargetException
....
....
    at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:156)
    at GeneratePdf.main(GeneratePdf.java:32)

Caused by: net.sf.jasperreports.engine.JRRuntimeException: No query executer factory registered for the 'MongoDbQuery' language.
    at net.sf.jasperreports.engine.util.JRQueryExecuterUtils.getQueryExecuterFactory(JRQueryExecuterUtils.java:64)
    at net.sf.jasperreports.engine.design.JRDesignDataset.queryLanguageChanged(JRDesignDataset.java:1122)
    at net.sf.jasperreports.engine.design.JRDesignDataset.setQuery(JRDesignDataset.java:600)
    at net.sf.jasperreports.engine.design.JasperDesign.setQuery(JasperDesign.java:789)
    ... 28 more