org.springframework.data.redis.serializer.SerializationException: Could not read JSON: Cannot construct instance of `java.time.LocalDateTime` 
(no Creators, like default constructor, exist): no String-argument constructor/factory method to deserialize from String value ('2021-03-06T11:27:13')

@JsonDeserialize(using = LocalDateTimeDeserializer.class)
    @JsonSerialize(using = LocalDateTimeSerializer.class)
    private LocalDateTime createTime;

RedisConfig.java