Vertx：无法从fillReport读取SQLConnection

Question

   AsyncSQLClient client = MySQLClient.createShared(vertx, mySQLClientConfig);
   client.getConnection(res -> {
         if (res.succeeded()) {
                  SQLConnection connection = res.result();
                  try{
              String report = "C:\\Users\\paths\\Test1.jrxml";
              JasperReport Jasp = JasperCompileManager.compileReport(report);
              JasperPrint JASP_PRINT = JasperFillManager.fillReport(Jasp, null, connection);
              JasperViewer.viewReport(JASP_PRINT);                          
                      }
                  catch(Exception ex){System.out.println(ex);}