Upload.upload({

         url: 'upload',

         fields: {'username': 'zouroto'}, // additional data to send

         file: file

     }).progress(function (evt) {

         var progressPercentage = parseInt(100.0 * evt.loaded / evt.total);

         console.log('progress: ' + progressPercentage + '% ' + evt.config.file.name);

     }).success(function (data, status, headers, config) {

         console.log('file ' + config.file.name + 'uploaded. Response: ' + data);

     });

 @Controller

 public class UiController {

     @ResponseStatus(HttpStatus.OK)

     @RequestMapping(value = "/upload")

     public void upload(@RequestParam("file") MultipartFile file, @RequestParam("username") String username ) throws IOException {

         byte[] bytes;

         if (!file.isEmpty()) {

              bytes = file.getBytes();

             //store file in storage

         }

         System.out.println(String.format("receive %s from %s", file.getOriginalFilename(), username));

     }

 }

 <bean id="multipartResolver"

  class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

     <property name="maxUploadSize" value="5000000"/>

 </bean>

 <dependency>

         <groupId>commons-fileupload</groupId>

         <artifactId>commons-fileupload</artifactId>

         <version>1.3.1</version>

     </dependency>