使用Node.js中的FineUploader上传文件会挂起服务器

I've been troubleshooting this bug for over two weeks now, and can't find what's going wrong. I've go a page using FineUploader to upload multiple files. I have a collection of items and each needs to get it's own images. so I'm pasing a parameter with the request to identify to which item the images correspond. I also have an uploader for a picture gallery and for a logo.I've been troubleshooting this bug for over two