Expected Multiparthttpservletrequest:is a multipartresolver configured?

Workaround: (1) The first step: the introduction of Commons-fileupload-1.2.jar, the specific version number to the specific project requirements; The second step: in the Spring-mvc.xml to add the following configuration, the specific style size limit to the specific project requirements of the subject

<!--set upload file Max   1m=1*1024*1024 (B) =1048576 bytes---    class= " Org.springframework.web.multipart.commons.CommonsMultipartResolver ">        <property name=" Maxuploadsize " Value= "1048576"/>    </bean>

(2)

I added the @requestparam ("file") Mutipart file in the controller, but I spring.xml the custom package, not the Spring ontology package, so the error

Expected Multiparthttpservletrequest:is a multipartresolver configured?