Open Radar

 
Summary:
We’re getting following exception when running our tests in the iOS Simulator using KIF and EarlGrey. This crash also sometimes happens simply when running the app in the Simulator.

We also seen this crash popping up in Crashlytics in production builds of PDF Viewer using iOS 12 betas.

Steps to Reproduce:
Cannot share example project. Too complex.

Expected Results:
-

Actual Results:
2018-08-13 13:48:01.136278+0200 Viewer[39866:1673029] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSProxy doesNotRecognizeSelector:_accessibilityLoadAccessibilityInformation] called!'
*** First throw call stack:
(
    0   CoreFoundation                      0x00000001127c973b __exceptionPreprocess + 331
    1   libobjc.A.dylib                     0x0000000117979735 objc_exception_throw + 48
    2   CoreFoundation                      0x00000001127c9595 +[NSException raise:format:] + 197
    3   CoreFoundation                      0x00000001127ce456 ___forwarding___ + 1446
    4   CoreFoundation                      0x00000001127d0328 _CF_forwarding_prep_0 + 120
    5   UIAccessibility                     0x000000013a189886 -[UIAccessibilityInformationLoader _loadAccessibilityInformationOnMainThread:] + 818
    6   Foundation                          0x000000011213af19 __NSFireTimer + 83
    7   CoreFoundation                      0x000000011272dbc4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
    8   CoreFoundation                      0x000000011272d7c2 __CFRunLoopDoTimer + 1026
    9   CoreFoundation                      0x000000011272d02a __CFRunLoopDoTimers + 266
    10  CoreFoundation                      0x00000001127276ac __CFRunLoopRun + 2252
    11  CoreFoundation                      0x0000000112726aa1 CFRunLoopRunSpecific + 625
    12  GraphicsServices                    0x000000011df441dd GSEventRunModal + 62
    13  UIKitCore                           0x0000000127ab9a4f UIApplicationMain + 140
    14  Viewer                              0x000000010f9a411e main + 334
    15  libdyld.dylib                       0x0000000122674ced start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException

Version:
iOS 12b5

Notes:
I wrote a hack t work around this, seems to work, but nothing we want to ship: https://gist.github.com/steipete/08974d7544d328fb7978c10505834e00