setDefaultFailureUrl(..) and setPostFailureUrl(..) do pretty much the same thing. however, one supports SocialAuthenticationFailureHandler while the other doesn't. Addtitionally, delegateAuthenticationFailureHandler could have been out-of-sync with authenticationFailureHandler. With this patch, this is no longer the case.
setDefaultFailureUrl(..)andsetPostFailureUrl(..)do pretty much the same thing. however, one supportsSocialAuthenticationFailureHandlerwhile the other doesn't. Addtitionally,delegateAuthenticationFailureHandlercould have been out-of-sync withauthenticationFailureHandler. With this patch, this is no longer the case.