redisson get()数据报错,missing type id property ‘@class’

redisson get()数据报错：

com.fasterxml.jackson.databind.exc.InvalidTypeIdException: Missing type id when trying to resolve subtype of [simple type, class java.lang.Object]: missing type id property ‘@class’

详细报错信息如下：

com.fasterxml.jackson.databind.exc.InvalidTypeIdException: Missing type id when trying to resolve subtype of [simple type, class java.lang.Object]: missing type id property '@class'
xxxx
xxxx
[ERROR] 2021-11-29 17:52:59.114 [redisson-netty-2-11] ErrorsLoggingHandler.exceptionCaught(47) - Exception occured. Channel: [id: 0x14385c74, L:/172.16.101.17:60939 - R:xxx.201.34.xxx/xxx.201.34.2xx:6379]
io.netty.handler.codec.DecoderException: com.fasterxml.jackson.databind.exc.InvalidTypeIdException: Missing type id when trying to resolve subtype of [simple type, class java.lang.Object]: missing type id property '@class'
 at [Source: (io.netty.buffer.ByteBufInputStream); line: 1, column: 104]
xxx
xxx
Caused by: com.fasterxml.jackson.databind.exc.InvalidTypeIdException: Missing type id when trying to resolve subtype of [simple type, class java.lang.Object]: missing type id property '@class'

报错原因：

json序列化转换失败，找不到名为“@class”的property

1. 解决方法一：

① 在实体类上添加注解：

@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS,include = JsonTypeInfo.As.PROPERTY,property = "@class")

② 添加无参构造方法
③ 删除redis数据，重试

2. 解决方法二：

① 修改序列化器，支持以下序列化器，java的序列化使用SerializationCodec

② 实体类实现 Serializable 接口，添加serialVersionUID属性。
③ 删除redis数据，重试