spring 3.0 mvc在从后台向前台返回时要转化成json串,但页面上报了
web
The resource identified by this request is only capable of generating responses with characteristics not acceptable according to the request "accept" headersspring
异常信息json
org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representationmvc
后台controllorapp
(= = RequestMethod.) Map<StringObject> ((= = ) String custToken) { Map<StringObject> returnMap = HashMap<StringObject>() result = .queryYebAssets(custToken)returnMap.put(result)returnMap}
网上不少的说法是引入以下两个包ide
<dependency>this
<groupId>org.codehaus.jackson</groupId>spa
<artifactId>jackson-core-asl</artifactId>code
</dependency>servlet
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
</dependency>
除此以外还要修改spring的配置文件里加入以下
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<!-- Object->json -->
<property name="messageConverters">
<list>
<bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />
</list>
</property>
</bean>
本项目中引入了其余的json文件,并无引入上述的两个包。配置文件中加上后也是能够正常转化的。