jquery - 502 错误网关与 Mashape Imgur API 上传

Question

我以前有一个客户端图像上传的工作实现。代码如下。目前我遇到以下情况：

https://imgur-apiv3.p.mashape.com/3/image.json Failed to load resource: the server responded with a status of 502 (Bad Gateway)

你知道这可能是什么原因吗？

xhr.setRequestHeader('X-Mashape-Key', 'KEY');
    //xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    xhr.setRequestHeader('Authorization', 'Client-ID ID');

    xhr.onload = function (data) {
        var response = JSON.parse(xhr.responseText);
        if (response && response.data && response.data.link) {
            response = response.data.link.replace(/^http:\/\//i, 'https://');
            var img = new Image();
            img.src = response;
            // check dimensions - 2000 x 400 ideal
            img.onload = function () {

                successCallback(response);

            };
        } else {
            if (failCallback) {
                failCallback();
            }

        }
        imageService.loadComplete();
    };

    xhr.send(fd);