Parse login hang since Facebook 4.0.x with [PFFacebookUtils initializeFacebookWithApplicationLaunchOptions:launchOptions] (semaphore_wait_slow trap)
问题 Since updating Facebook to v4.0.x and the latest Parse libraries, my app is hanging, seemingly when trying to log in the user. My stack trace looks like this: I had a very similar problem previously, answered here: Parse crash when calling [PFFacebookUtils initializeFacebook] - semaphore_wait_trap However that solution no longer works, since it seems [PFUser currentUser] has been replaced with [PFUser(Private) _getCurrentUserWithOptions:] and [BFTask(Private) waitForResult