【jackson 异常】com.fasterxml.jackson.databind.JsonMappingException异常处理
2017-03-21 08:44
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项目中,父层是Gene.java【基因实体】 子层是Corlib.java【文集库实体】,一种基因对用多个文集库文章
但是在查询文集库这个实体的时候报错:【com.fasterxml.jackson.databind.JsonMappingException】
View
Code
错误描述:
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_BEANS)
由于会发生 循环引用的问题,因此在实体中进行了截断即子层可以查到父层的信息,但是父层查不到子层的信息。
解决问题:
Corlib.java的实体类中Gene字段的处理本来是:
将其修改为:
即可!!
但是在查询文集库这个实体的时候报错:【com.fasterxml.jackson.databind.JsonMappingException】
View
Code
错误描述:
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_BEANS)
由于会发生 循环引用的问题,因此在实体中进行了截断即子层可以查到父层的信息,但是父层查不到子层的信息。
解决问题:
Corlib.java的实体类中Gene字段的处理本来是:
将其修改为:
即可!!
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