how to ajax fomdata fileupload object in list

Question

I want file upload how to controller

let images = [];
let fileObj = {};

fileObj.mfile = $('[name="repImageFile"]')[0].files[0];
fileObj.title = 'test1';
fileObj.description = 'siofjesoifjai';
images.push(fileObj);

fileObj.mfile = $('[name="repImageFile"]')[1].files[0];
fileObj.title = 'test2';
fileObj.description = 'sfafefseafseafa';
images.push(fileObj);

formData.append('objImages', images);

my error : Resolved [org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'multipart/form-data;boundary