将文件从服务器加载到Liferay portlet

I am developing Liferay portlet. The portlet should load xml file from same server as Liferay and then via ajax parse this xml and pass these values to jQuery. I started with html file to test the functionality only. So far everything works but when I put html and js code to portlet then jQuery works but I cannot load file. I would like to have xml file located at /etc/config_files/settings.xmlI am developing Liferay portlet. The portlet sh