@RequestMapping(value={"/TestCase/Upload"}, method=RequestMethod.POST)
@ResponseBody
public ResponseEntity<String> uploadFile(HttpServletRequest request,
        @RequestParam("file") MultipartFile file) {
     System.out.println("Hit this location.");
     return new ResponseEntity("Success");
}

<servlet>
    <servlet-name>spring</servlet-name>
    <servlet-class>
        org.springframework.web.servlet.DispatcherServlet
    </servlet-class>
    <load-on-startup>1</load-on-startup>
    <!-- Configuration for file upload (configuring Multipart file) -->
    <multipart-config>
        <location>/tmp</location>
        <max-file-size>500000</max-file-size>
        <max-request-size>505000</max-request-size>
        <file-size-threshold>10485</file-size-threshold>
    </multipart-config>
</servlet>

<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="maxUploadSize" value="500000" />
    </bean>