Spring4.0 MVC request json datagram 406 error, how to resolve?

Solution 1:

1. Import jackson-core-2.5.1.jar and jackson-databind-2.5.1.jar

2. Spring configuration file addition:

<!--  avoid IE perform AJAX when , return JSON Download file appears
spring3 To: org.springframework.http.converter.json.MappingJacksonHttpMessageConverter
spring4 To: org.springframework.http.converter.json.MappingJackson2HttpMessageConverter
 -->
<bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
  <property name="supportedMediaTypes">
    <list>
      <value>text/html;charset=UTF-8</value>
    </list>
  </property>
</bean>

<!--  Start the Spring MVC Annotation function to complete requests and annotations POJO The mapping of  -->
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
  <property name="messageConverters">
    <list>
      <ref bean="mappingJacksonHttpMessageConverter" /><!-- json converter  -->
    </list>
  </property>
</bean>

Solution 2:

1. Import the fastjson package of the third party (alibaba), fastjson-1.2.7.jar

2. Add Spring configuration file:

<mvc:annotation-driven>
  <mvc:message-converters register-defaults="true">
    <!--  avoid IE perform AJAX when , return JSON Download file appears  -->
    <bean id="fastJsonHttpMessageConverter" class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
      <property name="supportedMediaTypes">
        <list>
          <value>application/json;charset=UTF-8</value>
        </list>
      </property>
    </bean>
  </mvc:message-converters>
</mvc:annotation-driven>