jQuery的AJAX停止了与iOS 5.0.1工作 [英] jquery AJAX stopped working with iOS 5.0.1

问题描述

下面的逻辑块用于所有的移动设备都jQuery的1.4.4和1.7.1，我们正在支持的工作：

The following piece of logic used to work with both jquery 1.4.4 and 1.7.1 on all mobile devices that we're supporting:

$.ajax({
  url: 'http://www.example.com/someurl',
  type: 'GET',
  dataType: 'text',
  timeout: 60000,
  success: function(data) {
    alert(data);
  },
  error: function(jqXHR) {
    alert(jqXHR.state());
  }
});

不过，与iOS 5.0.1，上述进入错误警报功能拒绝没有任何实际的HTTP请求。如此看来，仅有一个AJAX请求将工作之前，我需要重新启动我的iPhone。 这是一个已知的jQuery /的iOS 5.0的问题？我该如何调试呢？有没有什么解决方法吗？我不知道从哪里开始寻找。

But with iOS 5.0.1, the above enters the error function alerting rejected without any actual HTTP requests. It seems that exactly one AJAX request will work before I need to restart my iPhone. Is this a known jquery / iOS 5.0 problem? How can I debug it? Is there any workaround? I don't know where to start looking.

注意：我注意到在服务器端，而不是该 GET 的要求，选项请求发出。这似乎是一个相关的问题：

NOTE: I've noticed on the server side, that instead of GET requests, OPTIONS requests are issued. This seems to be a related issue:

<一个href="http://spin.atomicobject.com/2012/01/20/mobile-safari-on-ios-5-1-unexpectedly-making-cross-origin-resource-sharing-requests/" rel="nofollow">http://spin.atomicobject.com/2012/01/20/mobile-safari-on-ios-5-1-unexpectedly-making-cross-origin-resource-sharing-requests/

推荐答案

这是我的问题，提供的链接实际上是指向解决方案。我的一些Ajax请求被用来获取的URL这是使用流式传输的PDF文档

The link that I provided in the question is actually pointing to the solution. Some of my ajax requests are used to fetch URL's of PDFs which are streamed using

Content-Disposition: attachment; filename="somename.pdf"

显然，这导致的iOS 5.0的Safari浏览器的重大问题，打破了 XMLHtt prequest 对象（不与jquery相关）。疯。在这里，我们再次链接：

Apparently, that causes major issues in iOS 5.0's Safari, breaking the XMLHttpRequest object (it is not related with jquery). Crazy. Here's the link again:

<一个href="http://spin.atomicobject.com/2012/01/20/mobile-safari-on-ios-5-1-unexpectedly-making-cross-origin-resource-sharing-requests/">http://spin.atomicobject.com/2012/01/20/mobile-safari-on-ios-5-1-unexpectedly-making-cross-origin-resource-sharing-requests/

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