cross-domain issue in IE

Question

I'm current working on some stuff that need to send cross-domain ajax requests. I'm using jQuery 1.7.2 and Resteasy. Here is my ajax request:

 $.ajax({ url: Configuration.AjaxUrlPrefix + "/rest/conf/saveoption", data: { save_option: JSON.stringify(optionData) }, type: "POST", dataType: 'text', success: success, error: fail, cache: false });

And I use a interceptor to add some headers to my rest responses:

@Provider @ServerInterceptor public class CrossDomainInteceptor implements PostProcessInterceptor { @Override public void postProcess(ServerResponse response) { MultivaluedMap<String, Object> metadata = response.getMetadata(); metadata.add("Access-Control-Allow-Origin", "*"); metadata.add("Access-Control-Allow-Methods", "*"); metadata.add("Access-Control-Max-Age", "*"); metadata.add("Access-Control-Allow-Headers", "*"); } }

It works well in Chrome and FF, but not work in IE8 and IE9. And I didn't see any error in IE developer tool. Could anyone help me?

otakustay · Accepted Answer · 2012-07-25 06:31:39Z

IE8-9 should use XDomainRequest to fire cross-domain ajax request and jQuery does not support it natively, I find a ticket on jQuery bug tracker: http://bugs.jquery.com/ticket/8283

jQuery team may consider XDomainRequest not completely compatible to its ajax interface so has decided not to support it, however a plugin may be helpful: https://github.com/jaubourg/ajaxHooks/blob/master/src/ajax/xdr.js

Remember xdr transport has some limitation, check discussion of the jQuery ticket above

Esp. XDomainRequest has some limitations as it doens't support credentials.
@otakustay Thanks, the xdr plugin works for my Get requests but not Post request, I'm still working on it.

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