sky_star

kryo.setInstantiatorStrategy(new DefaultInstantiatorStrategy(new StdInstantiatorStrategy())) Or an error： com.esotericsoftware.kryo.KryoException: java.lang.UnsupportedOperationException Serialization trace: object (com.hivemq.persistence.IterablePersistenceEntry) at com.esotericsoftware.kryo.serializers.ReflectField.read(ReflectField.java:145) at com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:129) at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:880) at com.esotericsoftware.kryo.serializers.MapSerializer.read(MapSerializer.java:235) at com.esotericsoftware.kryo.serializers.MapSerializer.read(MapSerializer.java:42) at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:880) at com.hivemq.util.KryoUtil.readObject(KryoUtil.java:37)

When I find that: ImmutableSetSerializer.registerSerializers(kryo) # The error disappears because my map stores an Immutable。 Thank you