Could not write content: No serializer found for class and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) )
1. 问题
org.springframework.http.converter.HttpMessageNotWritableException: Could not write content: No serializer found for class com.xianzhi.jinba.vo.NewNewsFlash$Explain and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) (through reference chain: java.util.HashMap["body"]->java.util.ArrayList[]->java.util.HashMap["explain"]->java.util.ArrayList[]); nested exception is com.fasterxml.jackson.databind.JsonMappingException: No serializer found for class com.xianzhi.jinba.vo.NewNewsFlash$Explain and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) (through reference chain: java.util.HashMap["body"]->java.util.ArrayList[]->java.util.HashMap["explain"]->java.util.ArrayList[])
2. 解决方案
原因,bean中属性为private,改为public
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