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i am developing an application in Struts2, in which i want to implement authentication using Facebook.
I have registered my app in FaceBook and i got AppId and App Secret. using this i am doing facebook login <a href="https://www.facebook.com/dialog/oauth?client_id=241562345966486&redirect_uri=http://localhost:8080/myApp//jsps/loginFacebookUser.action&scope=email,user_birthday&state=1"><b>Facebook Connect</b></a>
But not able to get access_taken.
Since you didn’t post any code, it’s hard to determine what exactly the problem is.
I’m not particularly familiar with FB’s login API; however, the underlying mechanism is web services i.e. you send data to it, and it returns data back to you.
So, first, ensure that you are receiving a response back (usually a session ID or something similar) from FB.
If you received it, you have to save the data in a session object, and then explicitly give the user permission into your system. FB won’t do that for you; you have to do that on your system.
Hope that makes sense. Check out the information on FB’s API: http://developers.facebook.com/docs/guides/web/#login