Null Pointer Exception in RestEasy Asynchronous Request
问题 I was working in Resteasy where I've to make a asynchronous request to server. The real purpose is, I'll be submitting a form which will be converted into a .xlsx file which will take atleast 10 seconds to complete. So Asynchronous request is the best way here. I followed the procedures from the following link. https://docs.jboss.org/resteasy/docs/3.0.9.Final/userguide/html_single/#Asynchronous_HTTP_Request_Processing I'm making the ajax request like this. $.ajax({ url : 'rest/parentPath