Using A Json File To Import Some Content Into A Div

i am using a json file to import some content into a div like this:

$.getJSON('json/main_profile.json', function(data) {
$('#info_title').html(
'<h1>' + "General Information " + '</h1>'
);
});

but the problem appears when i try to replace the json file with a url, like this:

$.getJSON("http://interfaces-server.insource.local/users/145198", function(data) {
$('#info_title').html(
'<h1>' + "General Information " + '</h1>'
);
});

why works with the file but not with the link??