Message Title

Using hibernate in Glassfish it is not possible anymore to use the results of a JPQL TypedQuery, e.g.

 "select p from ProductItem p"

The query executes correctly but when trying to access items a ClassCastException is thrown, e.g.

java.lang.ClassCastException: com.mycompany.domain.model.ProductItem cannot be cast to com.mycompany.domain.model.ProductItem

The problem is clearly reproducible since version 4.3.6. The latest "good" version is 4.3.5.
To reproduce the issue please unzip the Attached example (self-contained maven project) and read "ReadMe.docx" located in the root folder of the zip file.

DefaultProductDao.java:

  @Override
    public List<String> getAllProductItemNames() {
        final TypedQuery<ProductItem> q = getEntityManager().createQuery("select p from ProductItem p", ProductItem.class);
        final List resultList = q.getResultList();
        List<String> names = new ArrayList<>();

        if (!resultList.isEmpty()) {
            Class c1 = ProductItem.class;
            Class c2 = resultList.get(0).getClass();
            ClassLoader cl1 = c1.getClassLoader();
            ClassLoader cl2 = c2.getClassLoader();
            System.out.println("Class 1: " + c1.getCanonicalName());
            System.out.println("Class 2: " + c2.getCanonicalName());
            System.out.println("Classloader 1: " + getClassLoaderString(cl1));
            System.out.println("Classloader 2: " + getClassLoaderString(cl2));
        }

        for (Object o : resultList) {
            // this class cast fails:
            // java.lang.ClassCastException: com.mycompany.domain.model.ProductItem cannot be cast to com.mycompany.domain.model.ProductItem
            ProductItem p = (ProductItem) o;
            names.add(p.getName());
        }
        return names;
    }
-->
  Class 1: com.mycompany.domain.model.ProductItem]]
  Class 2: com.mycompany.domain.model.ProductItem]]
  Classloader 1: Hash: 808590047 - Loader: WebappClassLoader (delegate=true; repositories=WEB-INF/classes/)]]
  Classloader 2: Hash: 697243695 - Loader: WebappClassLoader (delegate=true)]]