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Why can't we upload a file using this method which uses Ajax

May 25Hits:1

I'm trying to load a 3D model into Three.js with JSONLoader, and that 3D model is in the same directory as the entire website.

I'm getting the "Cross origin requests are only supported for HTTP." error, but I don't know what's causing it nor how to fix it.


My crystal ball says that you are loading the model using either file:// or C:/, which stays true to the error message as they are not http://

So you can either install a webserver in your local PC or upload the model somewhere else and use jsonp and change the url to http://example.com/path/to/model

Just to be more explicit than above - so yes you cannot point your browser directly at file://some/path/some.html so instead once you have python installed cd into the dir where your some.html file(s) lives then issue :

 python -m SimpleHTTPServer

which will spin up a web server hosting entire dir listing which you reference from URL :


this is built into any python install (batteries are included). For python3 use this :

python3 -m http.server

Alternatively, if you demand a more responsive setup and already use nodejs and npm just issue

npm install -g http-server

then, as above, cd into dir containing your some.html and issue :

http-server -c-1

which spins up a nodejs httpd which does a dir listing of your static files visible from :


In Chrome you can use this flag:


Read more here.

Ran in to this today.

I wrote some code that looked like this:

app.controller('ctrlr', function($scope, $http){
    $http.get('localhost:3000').success(function(data) {
        $scope.stuff = data;

...but it should've looked like this:

app.controller('ctrlr', function($scope, $http){
    $http.get('http://localhost:3000').success(function(data) {
        $scope.stuff = data;

The only difference was the lack of http:// in the second snippet of code.

Just wanted to put that out there in case there are others with a similar issue.

For those on Windows without Python or Node.js, there is still a lightweight solution: Mongoose.

All you do is drag the executable to wherever the root of the server should be, and run it. An icon will appear in the taskbar and it'll navigate to the server in the default browser.

Also, Z-WAMP is a 100% portable WAMP that runs in a single folder, it's awesome. That's an option if you need a quick PHP and MySQL server.

I was getting this exact error when loading an HTML file on the browser that was using a json file from the local directory. In my case, I was able to solve this by creating a simple node server that allowed to server static content. I left the code for this at this other answer.

er. I just found some official words "Attempting to load unbuilt, remote AMD modules that use the dojo/text plugin will fail due to cross-origin security restrictions. (Built versions of AMD modules are unaffected because the calls to dojo/text are eliminated by the build system.)" https://dojotoolkit.org/documentation/tutorials/1.10/cdn/

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