Redis缓存Java对象使用Fastjson序列化Json字符串报ClassCastException

最新推荐文章于 2024-03-15 16:40:45 发布

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最新推荐文章于 2024-03-15 16:40:45 发布

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文章标签：数据库 java json

原文链接：https://my.oschina.net/shyloveliyi/blog/3033987

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2019独角兽企业重金招聘Python工程师标准>>>

项目基础框架为：springboot2.x，mybatis（redis作为二级缓存）

出现问题是：当第一次查询时，正常返回json数据。当从redis加载数据时报错ClassCastException。以下是异常堆栈：

2019-04-09 11:09:10 [XNIO-1 task-25] [DEBUG] [com.cmgplex.smartjob.baseapi.mapper.sync.ITSyncDepartmentMapper]  - Cache Hit Ratio [com.cmgplex.smartjob.baseapi.mapper.sync.ITSyncDepartmentMapper]: 0.9090909090909091
java.lang.ClassCastException: com.cmgplex.smartjob.voes.sync.TSyncDepartmentVo cannot be cast to com.cmgplex.smartjob.voes.sync.TSyncDepartmentVo
	at com.alibaba.fastjson.serializer.ASMSerializer_4_TSyncDepartmentVo.write(Unknown Source)
	at com.alibaba.fastjson.serializer.ListSerializer.write(ListSerializer.java:137)
	at com.alibaba.fastjson.serializer.JSONSerializer.write(JSONSerializer.java:280)
	at com.alibaba.fastjson.JSON.toJSONString(JSON.java:673)
	at com.alibaba.fastjson.JSON.toJSONString(JSON.java:611)
	at com.alibaba.fastjson.JSON.toJSONString(JSON.java:576)
	at com.cmgplex.smartjob.baseapi.controller.sync.DepartmentController.queryDepartmentVo(DepartmentController.java:45)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(In

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