- org.springframework.data.redis.RedisSystemException: Error in execution; nested exception is io.lettuce.core.RedisCommandExecutionException: WRONGTYPE Operation against a key holding the wrong kind of value > 引发以该问题的原因为，操作Redis时，操作对象与预期的不一致，比如用redis->get去获取list的值或者通过redis->rpop去获取hash表的值都会报此错误。