firebase-ios-sdk
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firebase
Fatal Exception: NSInternalInconsistencyException
Description
Description We have a consistent crash that seems to be in Firebase/Foundation. iOS and iPadOS Can we get some information why this could happen? and if there is any fix going on?
Reproducing the issue Only reported in production
Firebase SDK Version 10.19.0
Xcode Version 15.1
Installation Method CocoaPods
Firebase Product(s) Analytics, Crashlytics, Performance
Targeted Platforms iOS, iPadOS
Relevant Log Output
Fatal Exception: NSInternalInconsistencyException
0 CoreFoundation 0xec69c __exceptionPreprocess
1 libobjc.A.dylib 0x2bc80 objc_exception_throw
2 Foundation 0x6b0dd8 _userInfoForFileAndLine
3 UIKitCore 0x70fd54 -[UIPageViewController queuingScrollView:didEndManualScroll:toRevealView:direction:animated:didFinish:didComplete:]
4 UIKitCore 0x719d6c -[_UIQueuingScrollView _notifyDelegateDidEndManualScroll:toRevealView:direction:animated:didFinish:didComplete:]
5 UIKitCore 0x71ba38 -[_UITransitionState cleanupWithFinishedState:completedState:]
6 UIKitCore 0x718e58 -[_UIQueuingScrollView _cleanUpCompletionState:didFinish:didComplete:]
7 UIKitCore 0x71b614 -[_UIQueuingScrollView _didEndScroll:]
8 UIKitCore 0x71b7b4 -[_UIQueuingScrollView _didEndManualScroll]
9 UIKitCore 0x7179b0 -[_UIQueuingScrollView _scrollViewDidEndDecelerating]
10 UIKitCore 0x121f1e8 -[UIScrollView _scrollViewDidEndDeceleratingForDelegate]
11 UIKitCore 0x121d1c8 -[UIScrollView _stopScrollDecelerationNotify:]
12 UIKitCore 0x121900c -[UIScrollView _smoothScrollSyncWithUpdateTime:]
13 UIKitCore 0x1218450 -[UIScrollView _smoothScrollWithUpdateTime:]
14 UIKitCore 0x121927c -[UIScrollView _smoothScrollDisplayLink:]
15 QuartzCore 0x2f2cc CA::Display::DisplayLinkItem::dispatch_(CA::SignPost::Interval<(CA::SignPost::CAEventCode)835322056>&)
16 QuartzCore 0x324b4 CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long)
17 QuartzCore 0x31fc0 CA::Display::DisplayLink::callback(_CADisplayTimer*, unsigned long long, unsigned long long, unsigned long long, bool, void*)
18 QuartzCore 0x2f464 display_timer_callback(__CFMachPort*, void*, long, void*)
19 CoreFoundation 0x35e24 __CFMachPortPerform
20 CoreFoundation 0x35d60 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__
21 CoreFoundation 0x347e8 __CFRunLoopDoSource1
22 CoreFoundation 0x33e20 __CFRunLoopRun
23 CoreFoundation 0x33478 CFRunLoopRunSpecific
24 GraphicsServices 0x34f8 GSEventRunModal
25 UIKitCore 0x22c62c -[UIApplication _run]
26 UIKitCore 0x22bc68 UIApplicationMain
27 MyProject 0x329370 main + 26 (AppDelegate.swift:26)
28 ??? 0x1bc8dadcc (Missing)
and Firebase crash logs :
Crashed: com.google.firebase.crashlytics.ios.exception
0 FirebaseCrashlytics 0x1d6b8 FIRCLSProcessRecordAllThreads + 393 (FIRCLSProcess.c:393)
1 FirebaseCrashlytics 0x1da98 FIRCLSProcessRecordAllThreads + 424 (FIRCLSProcess.c:424)
2 FirebaseCrashlytics 0x14bb8 FIRCLSHandler + 34 (FIRCLSHandler.m:34)
3 FirebaseCrashlytics 0xf908 __FIRCLSExceptionRecord_block_invoke + 232 (FIRCLSException.mm:232)
4 libdispatch.dylib 0x4300 _dispatch_client_callout + 20
5 libdispatch.dylib 0x136b4 _dispatch_lane_barrier_sync_invoke_and_complete + 56
6 FirebaseCrashlytics 0xe940 FIRCLSExceptionRecord + 234 (FIRCLSException.mm:234)
7 FirebaseCrashlytics 0xf428 FIRCLSExceptionRecordNSException + 126 (FIRCLSException.mm:126)
8 FirebaseCrashlytics 0xe598 FIRCLSTerminateHandler() + 398 (FIRCLSException.mm:398)
9 libc++abi.dylib 0x143bc std::__terminate(void (*)()) + 16
10 libc++abi.dylib 0x17758 __cxa_increment_exception_refcount + 202
11 libobjc.A.dylib 0x3ccbc objc_exception_rethrow + 44
12 CoreFoundation 0x33528 CFRunLoopRunSpecific + 784
13 GraphicsServices 0x34f8 GSEventRunModal + 164
14 UIKitCore 0x22c62c -[UIApplication _run] + 888
15 UIKitCore 0x22bc68 UIApplicationMain + 340
16 MyProject 0x329370 main + 26 (AppDelegate.swift:26)
17 ??? 0x1bc8dadcc (Missing)
Reproducing the issue
- Random crash in prod env
Firebase SDK Version
10.19.0
Xcode Version
15.1
Installation Method
CocoaPods
Firebase Product(s)
Analytics, Crashlytics, Performance
Targeted Platforms
iOS
Relevant Log Output
No response
If using Swift Package Manager, the project's Package.resolved
Expand Package.resolved snippet
Replace this line with the contents of your Package.resolved.
If using CocoaPods, the project's Podfile.lock
Expand Podfile.lock snippet
- Firebase/Analytics (10.19.0):
- Firebase/Core
- Firebase/Core (10.19.0):
- Firebase/CoreOnly
- FirebaseAnalytics (~> 10.19.0)
- Firebase/CoreOnly (10.19.0):
- FirebaseCore (= 10.19.0)
- Firebase/Crashlytics (10.19.0):
- Firebase/CoreOnly
- FirebaseCrashlytics (~> 10.19.0)
- Firebase/Performance (10.19.0):
- Firebase/CoreOnly
- FirebasePerformance (~> 10.19.0)
- Firebase/RemoteConfig (10.19.0):
- Firebase/CoreOnly
- FirebaseRemoteConfig (~> 10.19.0)
- FirebaseABTesting (10.19.0):
- FirebaseCore (~> 10.0)
- FirebaseAnalytics (10.19.0):
- FirebaseAnalytics/AdIdSupport (= 10.19.0)
- FirebaseCore (~> 10.0)
- FirebaseInstallations (~> 10.0)
I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.
Hi @sanojkashyap007, based on your stack trace, it seems that there's no related to Firebase. We need more information to investigate the issue like the full stack trace. With this crash "Crashed: com.google.firebase.crashlytics.ios.exception", Crashlytics sometimes blames its own crash processing thread, but the crash is not caused by Crashlytics.
Hi @sanojkashyap007, based on your stack trace, it seems that there's no related to Firebase. We need more information to investigate the issue like the full stack trace. With this crash "Crashed: com.google.firebase.crashlytics.ios.exception", Crashlytics sometimes blames its own crash processing thread, but the crash is not caused by Crashlytics.
Above mentioned above the full stack trace for firebase crash in crashlytics. Please see below image. firebase crash is happening.
The crash looks related to a UIScrollView and the Firebase products being used do not include UI.
The crash looks related to a
UIScrollViewand the Firebase products being used do not include UI.
But in stack trace firebase crash first and then finally to UIScrollView. How are you looking at it?
+1 same issue on my side. SDKs version 1.21.0
By chance did you get any clue or help to fix?
No... it's something strange, no reports for like 1-2 days, then a bulk of reports in few hours with this issue, and then everything is fine again.
No... it's something strange, no reports for like 1-2 days, then a bulk of reports in few hours with this issue, and then everything is fine again.
worst case is its happening only in prod, no crash in local. is it same for you as well? I can see crash in firebase dashboard. Its really frustrating now.
"it works on my phone" :)) Also, regarding reporting, there is no issue reported from Apple related to this. Other crashes reported from Firebase can be found from Apple (from users that accept to share crash reports with developers) but for this, no one... which is also strange. I looked in details of the reports, looks like almost all users are very low on free memory ram... I checked the most used features and all the screens are deallocated during navigation (pop)
The Crashlytics com.google.firebase.crashlytics.ios.exception thread captures exceptions thrown elsewhere in order to record crash information. Though it says the Crashlytics thread caused the crash, the exception that it captured was thrown on the main thread, probably due to misuse of a UIPageViewController. See this Apple forums thread for a possible solution.
