Spring MVC with ajax file upload and MultipartFile

Question

I have an issue using Ajax upload with Spring 3 MVC. I understand that I have to configure multipartResolver bean in spring config, which I\'ve done. Than I can have control

Answer 1

I had the same problem with the fineuploader (valums), and I tried using request.getInputStream() but did not get it to work.

The @ResponseBody annotation worked but I got the whole body with headers. I thought processing that and stripping off the unwanted chunks was not very elegant. I looked further and found the solution is this post:

problem with spring ajax file upload

Like it is said, I added the bean configuration for the multipart resolver to my spring configuration

After that, I could easily retrieve my file using

 public @ResponseBody Map ajaxUploadFile(@RequestParam MultipartFile qqfile) { ... }

Don't forget to add the Apache commons-io.jar and commons-fileupload.jar libraries in your project to get it to work