spring MVC4以上,使用的json包有变更。
使用之前的json包出包java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/JsonProcessingException错误。
新用到包为jackson-annotations-2.5.0.jar,jackson-core-2.5.0.jar,jackson-databind-2.5.0.jar
spring-servlet.xml里面也有变动
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> <property name="messageConverters"> <list> <ref bean="mappingJackson2HttpMessageConverter" /> </list> </property> </bean> <bean id="mappingJackson2HttpMessageConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>text/html;charset=UTF-8</value> <value>text/json;charset=UTF-8</value> <value>application/json;charset=UTF-8</value> </list> </property> </bean>
用到的json包分别为:
jackson-annotations-2.5.0.jar
jackson-core-2.5.0.jar
jackson-databind-2.5.0.jar
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