spring改错怎么改啊，试了很多办法(语言-java|开发工具-idea)

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                           15
                           16               <！--注册注解驱动（开启SpringMVc注解的支持）-->
                           17               <mvc:annotation-driven>
                           18                   <mvc:message-converters>
                           19                        <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
                           20                             <！--声明类型转换，若返回的是json就需要加这个进行转换-->
                           21                            <property name="supportedMediaTypes">
                           22                                 <list>
                           23                                      <value>application/jsonvalue>
                           24                                  list>
                           25                             property>
                           26                        bean>
                           27                   mvc:message-converters>
                           28               mvc:annotation-driven>
                           29
                          30               <！--配置的视图解析器对象-->
                           31              <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResource
                           32                   prefix" value="/WEB-INF/pages/"/>
                           33                   <property name="suffix" value=".jsp"/>
                           34              bean>
                           35
                           36              <！--配置拦截器-->
                          37               <mvc:interceptors>
                                    beans > mvc:annotation-driven > mvc:message-converters > bean
 Problems:            Current File 16                 Project Errors
 Q
     springmvc.xml D:(workspace library-system-master/target)classes 16 problems
       0 Cannot resolve property 'supportedMediaTypes' :21
       e Cannot resolve property 'prefix :32
       e Cannot resolve property 'suffix' :33

项目启动受影响么？不受影响的话可以无视