metaCollection.setWriteConcern(WriteConcern.SAFE);
}
public Kryo getKryo(){
if(tlkryo.get() == null){
Kryo kryo = new Kryo();
<BUG>kryo.setInstantiatorStrategy(new SerializingInstantiatorStrategy());
kryo.setDefaultSerializer(CompatibleFieldSerializer.class);</BUG>
kryo.register(DateTime.class, new JodaDateTimeSerializer());
registration.registerClasses(kryo);
tlkryo.set(kryo);

metaCollection.setWriteConcern(WriteConcern.SAFE);
}
public Kryo getKryo(){
if(tlkryo.get() == null){
Kryo kryo = new Kryo();
((Kryo.DefaultInstantiatorStrategy) kryo.getInstantiatorStrategy()).setFallbackInstantiatorStrategy(new StdInstantiatorStrategy());
kryo.setDefaultSerializer(CompatibleFieldSerializer.class);
kryo.register(DateTime.class, new JodaDateTimeSerializer());
registration.registerClasses(kryo);
tlkryo.set(kryo);
