jquery - XMLHttpRequest cannot load.... Origin null is not allowed by Access-Control-Allow-Origin -


i trying print json broker on server, can not return json, chorme me of following error:

xmlhttprequest can not load .... origin null not allowed access-control-allow-origin.

can me?

the following code:`

console.log("carregando.."); var username = "admin"; var password = "password"; $.ajax({     type: 'get',     url: 'http://localhots/api/json/broker/dest-metrics',     datatype: 'json',     headers : {accept : "application/json","access-control-allow-origin" : "*"},     beforesend : function(req) {                                     req.setrequestheader('authorization', "basic " +base64.encode(username+":"+password))                                     console.log("autenticado!!");     },     success: function(data) { console.log("sucesso!!"); },     error: function (data) {               console.log("erro");          },     data: {},    async: false,    cache: false,    jsonp: true     });`

normally problem uri of page file :/ /, problem disappears if execution done server, option start chrome - allow-file-access-from-files


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