org.springframework.data.redis.serializer.SerializationException: Cannot deserialize; nested exception is org.springframework.core.serializer.support.SerializationFailedException: Failed to deserialize payload. Is the byte array a result of corresponding serialization for DefaultDeserializer?; nested exception is java.io.InvalidClassException: com.xs.entity.XXX; class invalid for deserialization
at org.springframework.data.redis.serializer.JdkSerializationRedisSerializer.deserialize
在调用service 实现类时报出以上错误，原因是因为 spring会先将对象序列化，再存入redis进行缓存，而entity没有实现序列化接口，因此序列化出错，需要在对应的实体类中添加序列化即可（implements Serializable），如下：文章来源地址https://www.toymoban.com/news/detail-629547.html
@Override
@Cacheable(value = "student")
public Student getStudentById(int id) {
return studentMapper.getStudentById(id);
}
public class Student implements Serializable{
private int id;
private String name;
private String fullname;
}
文章来源：https://www.toymoban.com/news/detail-629547.html
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