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Re: XHR and 12031

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Andrew Poulos wrote:

> If I make an XHR call to
>    [server]/projects/test
> IIS returns "HTTP/1.1 405 Method Not Allowed" even though I've edited
> the handler mappings to allow "all" verbs to file or folder.

This implies that you are not making either a GET or a POST request.
 
> All the files are on the same server.

Irrelevant.  The *URI* scheme, host name, and server-side port number of the 
resource to be accessed matter.
 
> If set IIS to do a URL rewrite to temporarily add a trail slash so that
>    [server]/projects/test
> becomes
>    [server]/projects/test/
> then every browser I test will allow the XHR call to complete (return a
> status of 200). Except for IE.

Server-side URL rewrite is AFAIK not visible to the client.  If the URI 
basically works, the former cannot be the reason for XHR failure.  However, 
that you are using a different URI then may be, because of client-side 
caching.
 
> When I check the developer panel in IE 9 the network pane shows the
                   ^^^^^^^^^^^^^^^^^^^^^^^
> request as pending until it finally returns 12031.
                                              ^^^^^ 
> When I check the developer panel in IE 10 the debug pane shows "access
                   ^^^^^^^^^^^^^^^^^^^^^^^^
> is denied" when it tries to XHR open
>    xhr.open(cfg.method, url, async);
     ^^^      ^^^^^^^^^^^ ^^^  ^^^^^
> If I put the full URL in
>    xhr.open(cfg.method, "[server]/projects/test/default.asp", async);
     ^^^      ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^
> then IE allows the XHR call to complete (return a status of 200).
> 
> How do I get IE to behave without needing a full URL?

I do not think, especially now that you have discovered that the behavior is 
not limited to IE 10, that it matters whether you provide a URI or a URI-
reference (there is no “full URL”, see RFC 3986).

You need to provide the *full* context.  A public testcase would be best, 
but a more detailed description and screenshots might suffice.

See the FAQ Notes and
<http://www.catb.org/~esr/faqs/smart-questions.html#beprecise>.

-- 
PointedEars
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XHR and 12031 Andrew Poulos <ap_prog@hotmail.com> - 2014-08-11 11:46 +1000
  Re: XHR and 12031 Andrew Poulos <ap_prog@hotmail.com> - 2014-08-11 14:32 +1000
  Re: XHR and 12031 Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-08-11 19:43 +0200
    Re: XHR and 12031 Andrew Poulos <ap_prog@hotmail.com> - 2014-08-12 08:36 +1000
      Re: XHR and 12031 Andrew Poulos <ap_prog@hotmail.com> - 2014-08-12 12:53 +1000

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