kryo.register(ArrayList.class, new HibernateAwareCollectionSerializer(hibernateUtil)); // NOPMD kryo.register(CopyOnWriteArrayList.class, new CollectionSerializer()); kryo.register(HashSet.class, new HibernateAwareCollectionSerializer(hibernateUtil)); // NOPMD kryo.register(HashMap.class, new HibernateAwareMapSerializer(hibernateUtil)); // NOPMD kryo.register(ConcurrentHashMap.class, new MapSerializer());