I’m trying to do a cross-domain POST with jQuery using CORS, but after the

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Asked: June 17, 20262026-06-17T13:50:09+00:00 2026-06-17T13:50:09+00:00

I’m trying to do a cross-domain POST with jQuery using CORS, but after the

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I’m trying to do a cross-domain POST with jQuery using CORS, but after the OPTIONS request is sent (and responded to), the POST doesn’t happen. My request/response filters are shown below. My jQuery post code is also shown. It looks like the response has the proper CORS response headers, so I’m not sure why this isn’t working.

var params = {};
params.data = myPostData;
params.headers = {
  'x-pingother' : 'pingpong'
};
$.ajax(params);

Request Header

OPTIONS /my/service/url HTTP/1.1
Host: localhost:8080
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:17.0) Gecko/20100101 Firefox/17.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Origin: http://localhost:9876
Access-Control-Request-Method: POST
Access-Control-Request-Headers: content-type,x-pingother
Pragma: no-cache
Cache-Control: no-cache

Response Header:

HTTP/1.1 200 OK
Access-Control-Allow-Origin: http://localhost:9876
Access-Control-Allow-Methods: POST,GET,OPTIONS
Access-Control-Allow-Headers: x-pingother
Content-Length: 703
Content-Type: application/vnd.sun.wadl+xml
Allow: OPTIONS,POST
Last-Modified: Sat, 19 Jan 2013 13:46:51 EST
Server: Jetty(6.1.25)

I’m running automated tests from a local server (JSTestDriver) that connects to a web server running on a different port. The web server runs on 8080 and the page making the request runs on 9876.