No serializer found for class com.xxxx and no properties discovered to create

shuos_yan

于 2019-12-20 15:10:00 发布

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本文详细解析了在Spring框架下遇到的HttpMessageConversionException错误，具体表现为序列化问题，尤其针对com.xxx类的序列化失败。文章提供了有效的解决方案，包括检查对象的getter/setter方法实现情况，推荐使用@Data注解简化开发。

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具体问题：

Servlet.service() for servlet [dispatcherServlet] in context with path [/server] threw exception [Request processing failed; nested exception is org.springframework.http.converter.HttpMessageConversionException: Type definition error: [simple type, class com.xxx]; nested exception is com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class com.xxx and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: com.yss.xxx[“data”])] with root cause

com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class com.yss.xxx and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: com.yss.xxx[“data”])
解决方案：
检查返回到对象中是否实现了getter/setter方法/构造方法；建议使用@Data