writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	// Get upload id.
	uploadID, _, _, _, s3Error := getObjectResources(r.Form)
	if s3Error != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	// Content-Length is required and should be non-zero
	if r.ContentLength <= 0 {