SELECT u.username, u.name, t.team FROM usuario u INNER JOIN team t ON u.id_team = t.id_team ORDER BY name ASC

SELECT u.username, u.name, t.team FROM Usuario u INNER JOIN u.team as t ORDERY BY u.name ASC

Grave: net.sf.jasperreports.engine.JRException: Error retrieving field value from bean : username
   at net.sf.jasperreports.engine.data.JRAbstractBeanDataSource.getBeanProperty(JRAbstractBeanDataSource.java:123)
   at net.sf.jasperreports.engine.data.JRAbstractBeanDataSource.getFieldValue(JRAbstractBeanDataSource.java:96)
   at net.sf.jasperreports.engine.data.JRBeanCollectionDataSource.getFieldValue(JRBeanCollectionDataSource.java:100)
Caused by: java.lang.NoSuchMethodException: Unknown property 'username' on class 'class [Ljava.lang.Object;'

public List listaRelatorio() {
        session = HibernateUtil.getSession();
        SQLQuery sqlquery = session.createSQLQuery("SELECT u.username, u.name, t.team FROM usuario u "
                    + "INNER JOIN team t ON u.id_team = t.id_team ORDER BY name ASC");   
        List listaUs = sqlquery.list(); 
        return listaUs;
    }

public List listaRelatorio(){
        session = HibernateUtil.getSession();
        Query query = session.createQuery("SELECT u.username, u.name, t.team FROM Usuario u INNER JOIN u.team as t");
        List listaUs = query.list();
        return listaUs;
    }

// **************** Reports **************** //
   
    public void reportBuilder() throws JRException {
        UsuarioDao usuarioDao = new UsuarioDaoImpl();
        List listaUs = usuarioDao.listaRelatorio();
        JRBeanCollectionDataSource beanCollectionDataSource = new JRBeanCollectionDataSource(listaUs);
        String report = FacesContext.getCurrentInstance().getExternalContext().getRealPath("/reports/users.jasper");
        jasperPrint = JasperFillManager.fillReport(report, new HashMap(), beanCollectionDataSource);
    }
   
   
     
    public void exportToPdf(ActionEvent actionEvent) throws JRException, IOException {
         reportBuilder();
         HttpServletResponse httpServletResponse = (HttpServletResponse) FacesContext.getCurrentInstance().getExternalContext().getResponse();
         httpServletResponse.addHeader("Content-disposition", "attachment; filename=users.pdf");
         ServletOutputStream servletStream = httpServletResponse.getOutputStream();
         JasperExportManager.exportReportToPdfStream(jasperPrint, servletStream);
         FacesContext.getCurrentInstance().responseComplete();
     }

//JDBC
Conexao conn = new Conexao();
String report = FacesContext.getCurrentInstance().getExternalContext().getRealPath("/reports/users.jrxml"); //Use jrxml, not .jasper
JasperReport pathjrxml = JasperCompileManager.compileReport(report);
jasperPrint = JasperFillManager.fillReport(pathjrxml, null, conn.getConn()); //getting JDBC connection

//list HLQ
UsuarioDao usuarioDao = new UsuarioDaoImpl();
List listaUs = usuarioDao.listaRelatorio();
JRBeanCollectionDataSource beanCollectionDataSource = new JRBeanCollectionDataSource(listaUs);
String report = FacesContext.getCurrentInstance().getExternalContext().getRealPath("/reports/users.jasper");
jasperPrint = JasperFillManager.fillReport(report, new HashMap(), beanCollectionDataSource);