1. 问题 org.springframework.http.converter.HttpMessageNotWritableException: Could not write content: No serializer found ]->java.util.HashMap[]); nested exception ]->java.util.HashMap[]) 2. 解决方案 原因,bean中属性为private,改为public…

HTTP Status 500 - Could not write content: No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY…

异常信息如下所示: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no properties discovered to create BeanSerializer (to avoid exception, disable Seri…

一.什么是序列化In computer science, in the context of data storage, serialization is the process of translating data structures or object state into a format that can be stored (for example, in a file or memory buffer, or transmitted across a network connec…

解决方法: 方法1:将bean目录下的实体类属性由private改为public(不推荐): 方法2:给实体类属性设置setter和getter方法(推荐使用).…

注意:市面上对于写RESTful是用RestFul,其实是不规范的,标准写法RESTful. 在Java上,处理这个应该是没有继承Serializable类,然后通过Eclipse生成serialVersionUID上去试一下. 参考: https://stackoverflow.com/questions/33631916/could-not-write-content-no-serializer-found-for-class-org-springframework-conte…

报错: HTTP Status 500 - Could not write content: No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_E…

今天碰到一个异常,下面是错误信息 org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no properties discovered to create BeanSerializer…

No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) 去掉FetchType.LAZY @ManyToOne(fetch…

Spring MVC 解决 Could not write JSON: No serializer found for class java.lang.Object 资料参考:http://stackoverflow.com/questions/28862483/spring-and-jackson-how-to-disable-fail-on-empty-beans-through-responsebody 出问题前的配置 <mvc:annotation-driven> <mvc:me…