private boolean extractRoutesList() { // List<Route> routesList = new ArrayList<Route>(); // Query query = entityManager.createQuery("SELECT e FROM Route e"); // routesList = (ArrayList<Route>) query.getResultList(); List<Route> routesList = entityManager.createQuery("SELECT r FROM Route r").getResultList(); if (routesList != null) { for (Route route : routesList) { System.out.println(route.getId()); } Gson gson = new Gson(); String ret = gson.toJson(routesList); System.out.println("Marshalled routesList " + ret); routeResponse = ret; return true; } return false; }