SpringBoot simple multipart file upload with Advanced rest client (Chrome)

Question

I want to upload a image to the file system. So I am using Multi-part file upload with spring boot. And also I am using Advance Rest Client(Chrome) tool to POST Multi part file. But I am facing an error even I do not specify any content type org.apache.tomcat.util.http.fileupload.FileUploadException: the request was rejected because no multipart boundary was found.

Here my rest controller code,

@RestController
public class StringController {
@RequestMapping(value="/upload", method=RequestMethod.POST)
public @ResponseBody String singleSave(@RequestParam("file") MultipartFile file){

    String fileName = null;
    if (!file.isEmpty()) {
        try {
            fileName = file.getOriginalFilename();
            byte[] bytes = file.getBytes();
            BufferedOutputStream buffStream = 
                    new BufferedOutputStream(new FileOutputStream(new File("F:/" + fileName)));
            buffStream.write(bytes);
            buffStream.close();
            return "You have successfully uploaded " + fileName;
        } catch (Exception e) {
            return "You failed to upload " + fileName + ": " + e.getMessage();
        }
    } else {
        return "Unable to upload. File is empty.";
    }
  }
}

Screenshot (Advance rest client tool)

Error

{ "timestamp": 1490678908517, "status": 500, "error": "Internal Server Error", "exception": "org.springframework.web.multipart.MultipartException", "message": "Could not parse multipart servlet request; nested exception is java.io.IOException: org.apache.tomcat.util.http.fileupload.FileUploadException: the request was rejected because no multipart boundary was found", "path": "/upload" }

Yashlay Aakash · Accepted Answer · 2017-03-28 06:15:33Z

2

The problem is in your request from advance rest client. It is working fine in the postman.The image is getting uploaded. Try with postman you will get it.

answered Mar 28, 2017 at 6:15

Yashlay Aakash

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1 Comment

Narandhran Thangavel Over a year ago

yep brother Its worked. Thank you for your kind response. But may i know why its not working in advance rest client??

Steklorez · Accepted Answer · 2018-09-22 15:06:05Z

0

You lost in you client request headers value boundary. Construct in PostMan header "Content-Type" like this:

Content-Type : multipart/form-data;boundary="12312313132132"

answered Sep 22, 2018 at 15:06

Steklorez

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