Question

180

Strange JQuery Error code 501, message Unsupported method OPTIONS

rated 0 times [ 182] [ 2] / answers: 1 / hits: 20624 / 13 Years ago, mon, december 12, 2011, 12:00:00

I am learning the JQuery Get method. I start up a Python HTTP server:

(just typing command Python -m SimpleHTTPServer).

It's fine to test this webserver by just visiting http://localhost:80 on my web browser. However, when I write this very simple javascript to visit my webserver. I get an error message:

code 501, message Unsupported method ('OPTIONS')

I use jquery.xdomainajax.js library which suppose cross domain request JQuery.

Here is my javascript code:

<html>

<head>

<script src=jquery.min.js></script>

<script src=jquery.xdomainajax.js></script>

<script type=text/javascript>

$(document).ready(function(){ 

  u = 'http://localhost:80';

 jQuery.get(u, function(res){       

    $(#data).html(res.responseText)

});

});





</script>

</head>

<body>

<p id=data></p>

</body>

</html>

Actually, if I change u to any other url, such as http://www.google.ca. It works quite well. But I have no idea why it does not work for the basic Python HTTP server. Can anyone help me?

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eden

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2 Years ago

answered 13 Years ago kieraelsies · Accepted Answer

What I do is to write a customized HTTPRequestHandler. I add a do-OPTIONS method inside MyHandler to tell browser my server support CORS. This is done by sending headers Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers. Also, I add a "self.send_header('Access-Control-Allow-Origin', '*')" statement in do_GET method.

class MyHandler(BaseHTTPRequestHandler):

    def do_OPTIONS(self):           

        self.send_response(200, "ok")       

        self.send_header('Access-Control-Allow-Origin', '*')                

        self.send_header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')

        self.send_header("Access-Control-Allow-Headers", "X-Requested-With")        

        self.end_headers()

    

    def do_GET(self):           

        self.send_response(200)

        self.send_header('Access-Control-Allow-Origin', '*')

        self.send_header('Content-type',    'text/html')                                    

        self.end_headers()              

        self.wfile.write("<html><body>Hello world!</body></html>")

        self.connection.shutdown(1)