pm.currentTransaction().begin(); e = (Employee) pm.getObjectById(eId, true);
m_pm.currentTransaction().begin(); e = (Employee) m_pm.getObjectById(eId, true);
    public void testNullRef() {        String eName = "nullRefEmp";        PersistenceManager pm = getPM();        Employee e = new Employee(id(), eName, null);        pm.makePersistent(e);        Object eId = pm.getObjectId(e);        assertNotNull("null object identifier", eId);        pm.currentTransaction().commit();        e = null;        pm.currentTransaction().begin();        e = (Employee) pm.getObjectById(eId, true);        assertNotNull("null instance returned by getObjectById", e);        assertEquals("Bad employee name", eName, e.getName());        assertNull("not null instance returned by e.dept", e.getDept());        pm.deletePersistent(e);        pm.currentTransaction().commit();    }