This is some kind of jquery weird implementation of CORS, because the native xmlhttprequest works find for me in this scenario.
You have these options:
Google out the jquery CORS errors Use native xmlhttprequest to do the request, it is just like 10 lines of code Use our jsreport official client for browser - https://jsreport.net/learn/browser-client Proxy requests to jsreportonline through your server