uncaught exception: permission denied to call XmlHttpRequest.open

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  • sbettadpur
    New Member
    • Aug 2007
    • 121
    #1

    uncaught exception: permission denied to call XmlHttpRequest.open

    hello

    I am using xmlHttpRequest method in my application, this method is giving problem in the following browsers

    1) Internet Explorer 7
    2) Mozila Firefox(2.0.0.1 6)

    I got solution for Mozilla issue

    let me explain what i did

    In the about:config (for this we have to open browser and type in the address bar as about:config, after that in filter place type as signed) of mozilla brower
    you need to set 'signed.applets .codebase_princ ipal_support' to true and add the line

    'netscape.secur ity.PrivilegeMa nager.enablePri vilege("Univers alBrowserRead") ;

    in my script(means above xmlHttpRequest. open)

    But I am facing this issue in IE7 there i am getting Permission Denied to open xmlHttpRequest.

    Anybody knows solution for this problem
    Tags: None
    • gits
      Recognized Expert Moderator Expert
      • May 2007
      • 5388
      #2
      i guess you want to start a 'cross-domain-request'? it is generally a very! bad idea to rely on settings to a browser-config ... unless it is an intranet application. you may probably find this helpful?

      kind regards

        Comment

        • sbettadpur
          New Member
          • Aug 2007
          • 121
          #3
          hello,

          Thanks for ur reply, i saw the url what u provided in the message

          and i added the following below lines in my code but its still not working

          [CODE=javascript]var xmlHttp = null;
          if (window.XMLHttp Request) {
          // If IE7, Mozilla, Safari, and so on: Use native object.
          xmlHttp = new XMLHttpRequest( );
          }
          else
          {
          if (window.ActiveX Object) {
          // ...otherwise, use the ActiveX control for IE5.x and IE6.
          xmlHttp = new ActiveXObject(' MSXML2.XMLHTTP. 3.0');
          }
          }
          [/CODE]

          Is it correct what i am doing please give me solution.

          thanks
          Last edited by gits; Sep 5 '08, 07:24 AM. Reason: added code tags

            Comment

            • gits
              Recognized Expert Moderator Expert
              • May 2007
              • 5388
              #4
              was i correct with the assumption that you want to make cross-domain requests?

                Comment

                • Ferris
                  New Member
                  • Oct 2007
                  • 101
                  #5
                  I quite agree with gits. You probably want to make a cross-domain requests. Could you post more code for detail?

                    Comment

                    • sbettadpur
                      New Member
                      • Aug 2007
                      • 121
                      #6
                      here with i am sending my full source code

                      [CODE=php]<?php

                      ?>

                      <html>
                      <head>
                      <script type="text/javascript" src="config_js_ var.js"></script>
                      <script type='text/javascript'>

                      var xmlHttp

                      function get_username()
                      {
                      xmlHttp=GetXmlH ttpObject()
                      if (xmlHttp==null)
                      {
                      alert ("Browser does not support HTTP Request")
                      return
                      }
                      var url=getldap_use rname_utility_u rl;
                      xmlHttp.onready statechange=get username;
                      xmlHttp.open("G ET",url,true)
                      xmlHttp.send(nu ll)
                      }
                      function getusername()
                      {
                      var username;
                      if (xmlHttp.readyS tate==4 || xmlHttp.readySt ate=="complete" )
                      {
                      usernamestring= xmlHttp.respons eText

                      userarr = usernamestring. split("<!");

                      domainusername = userarr[0];

                      domainuserarr = domainusername. split("\\");

                      username = domainuserarr[1];
                      domain = domainuserarr[0];
                      var params;



                      params = "user="+usernam e;


                      window.location =feedbackforum_ url+"?user="+us ername+"&domain name="+domain;
                      }
                      }


                      function GetXmlHttpObjec t()
                      {
                      var xmlHttp=null;
                      try
                      {
                      // Firefox, Opera 8.0+, Safari
                      xmlHttp=new XMLHttpRequest( );
                      }
                      catch (e)
                      {
                      //Internet Explorer
                      try
                      {
                      xmlHttp=new ActiveXObject(" Msxml2.XMLHTTP" );
                      }
                      catch (e)
                      {
                      xmlHttpn=new ActiveXObject(" Microsoft.XMLHT TP");
                      }
                      }
                      return xmlHttp;
                      }


                      </script>

                      </head>

                      <body onload='get_use rname();'>

                      </body>
                      </html>[/CODE]
                      Last edited by gits; Sep 6 '08, 06:52 AM. Reason: added code tags

                        Comment

                        • Ferris
                          New Member
                          • Oct 2007
                          • 101
                          #7
                          Hi, would you please tell me the value of "getldap_userna me_utility_url" ?

                            Comment

                            • acoder
                              Recognized Expert MVP
                              • Nov 2006
                              • 16032
                              #8
                              You can use a web proxy for cross-domain requests. Another alternative is a dynamic script tag.

                                Comment

                                • acoder
                                  Recognized Expert MVP
                                  • Nov 2006
                                  • 16032
                                  #9
                                  I'll just point out that dynamic script tags are for JavaScript/JSON only, so may not be useful here. One other alternative is Apache's mod_rewrite, if that's possible.

                                    Comment

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