@ResponseBody가 null 객체 및 변수를 반환하지 않음
2056 단어 springmVC
<mvc:annotation-driven >
<mvc:message-converters register-defaults="true">
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="objectMapper">
<bean class="com.fasterxml.jackson.databind.ObjectMapper">
<property name="serializationInclusion">
<value type="com.fasterxml.jackson.annotation.JsonInclude.Include">NON_NULLvalue>
property>
bean>
property>
/bean>
mvc:message-converters>
mvc:annotation-driven>