From Facebook Developer Wiki

Callback/Canvas page issues

Anyone else having trouble? See my forum post on Adobe's forum about this... Plange 20:20, 5 June 2007 (PDT)

Trouble with IIS 5 & POST

Developing in ColdFusion 7, FBML, IIS 5

There is a known bug in IIS 5 that prevents a POST to a URL which does not specify a document name (ie: using "www.mydomain.com" rather than "www.mydomain.com/index.cfm"). KB Article: http://support.microsoft.com/kb/216493/en-us

To get around this, I set my callback URL to include the filename and then I can get the auth POST without trouble. However, then all other files that I attempt to access get the full Callback URL with the attempted file appended to the end (ie: "http://apps.facebook.com/myapp/FILENAME2.cfm" tries to access "http://www.mydomain.com/index.cfmFILNAME2.cfm" on my server.

I'm not really sure where this is occurring during the process of calling a page and I can't find any other reference to this.

I've also tried to use the "canvas" parameter to the login.php call (in order to force use of my Canvas URL without the filename after the user has been authenticated), but that doesn't seem to matter, since it's not called for each page view.

Am I missing something in the way an FBML app access pages?

--Rob O 18:34, 8 October 2007 (PDT)

UPDATE: I finally found a discussion on this topic in the Facebook Developers discussion board: "405 Error on Callback URL (IIS5)"

It seems like a weird workaround, but it does work.

--Rob O 18:52, 8 October 2007 (PDT)

Session issue with coldfusion facebook integration

I have developed a facebook application using coldfusion 8 but the issue is that session variables does not work in facbook application. every request for facebook application creates new session so I can have stateful session. Please advise what should I do ?