Revert "handle exception at get access token request"
Revert "handle exception at get access token request"

This reverts commit 4de7f0f6fd394682bc7b67e4b1665fa20943d835.

amboxer21/fb_graph,nov/fb_graph,kineticsocial/fb_graph,christer155/fb_graph,Loke155/fb_graph,avokhmin/fb_graph