@NamedQuery(name = "Product.compareSelected", query = "SELECT o FROM Product o where o.idProduct IN (:m)")

/** <code>SELECT o FROM Product o where o.idProduct IN (:m)</code> */
    @TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
    public List<Product> getProductCompareSelected(List m) {
        return em.createNamedQuery("Product.compareSelected", Product.class).setParameter("m", m).getResultList();
    }

<input type="button" value="Сравнить" id="compare" />
...
<input type="checkbox" value="${p.idProduct}" class="idP_${p.idProduct}"/>На сравнение<br/>
...

$(document).ready(function () {
    $('#compare').click(function () {

        var m = [];
        //var n = $('input:checked');
        var arr = $('input:checked');
        arr.each(function (index, el) {
            var pr = el.value;
            m.push(pr);
        });
        console.log(m);

        window.open('http://127.0.0.1:7001/webapp/compare?m='+m.join(','));
    });
});

...
m = request.getParameter("m"); //получаю строку от javascript'а
...
List <String>l = Arrays.asList(m.split(","));

List<Product> cPr = sel.getProductCompareSelected(m); //передаю этот же параметр в наименованный запрос
...

javax.ejb.EJBException: EJB Exception: : java.lang.IllegalArgumentException: You have attempted to set a value of type class java.util.Arrays$ArrayList for parameter m with expected type of int from query string SELECT o FROM Product o where o.idProduct IN (:m).

...
        List<String> l = Arrays.asList(m.split(","));

        List<Integer> intList = new ArrayList<Integer>();
        for (String strList : l) {
            intList.add(Integer.valueOf(strList));
        }
        //System.out.println("qweqweqwe "+intList);
        List<Product> cPr = sel.getProductCompareSelected(intList);
        for (Product p : cPr) {
             System.out.println(p.getP_name());
        }