Oracle APEX: Get Facebook User Token? -


i'm trying send rest commands oracle apex facebook graph api user token.

here code : 

    serverurl := 'http://myreverseproxy/graph.facebook.com/oauth/access_token';      redirecturl := 'http://www.example.com';     applicationid := 'xxxx';     applicationpassword := 'yyyy';      command := serverurl || '?client_id=' || applicationid || '&redirect_uri=' || redirecturl || '&client_secret=' || applicationpassword || '&default_graph_version=v2.4';      method := 'get';      response := apex_web_service.make_rest_request(p_url => command, p_http_method => method);

the code doesn't work. following error:

<!doctype html public "-//ietf//dtd html 2.0//en"> <html>     <head>         <title>502 proxy error</title>     </head>     <body>         <h1>proxy error</h1>         <p>         proxy server received invalid response upstream server.<br />         proxy server not handle request <em><a href="/oauth/access_token">get"         </p>          /graph.facebook.com/oauth/access_token</a></em>.         <p>         reason:          <strong>dns lookup failure for: graph.facebook.comoauth</strong>         </p></p>     </body> </html>

does know how solve please ?

thanks.


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