My app started crashing after long time in background right when I launch it again.
The problem of course is when it wasn’t killed – only when it was in the background.
the log is:
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x00000000, 0x00000000
Crashed Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x32858a1c __pthread_kill + 8
1 libsystem_c.dylib 0x337013b4 pthread_kill + 52
2 libsystem_c.dylib 0x336f9bf8 abort + 72
3 libstdc++.6.dylib 0x30504a64 __gnu_cxx::__verbose_terminate_handler() + 376
4 libobjc.A.dylib 0x3068f06c _objc_terminate + 104
5 libstdc++.6.dylib 0x30502e36 __cxxabiv1::__terminate(void (*)()) + 46
6 libstdc++.6.dylib 0x30502e8a std::terminate() + 10
7 libstdc++.6.dylib 0x30502f5a __cxa_throw + 78
8 libobjc.A.dylib 0x3068dc84 objc_exception_throw + 64
9 CoreFoundation 0x3351048a +[NSException raise:format:arguments:] + 62
10 Foundation 0x326ea56c -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 56
11 UIKit 0x31bc3a82 -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:withIndexPath:] + 666
12 UIKit 0x31bc3764 -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:] + 28
13 UIKit 0x31bbc0c6 -[UITableView(_UITableViewPrivate) _updateVisibleCellsNow:] + 930
14 UIKit 0x31bbb276 -[UITableView layoutSubviews] + 134
15 UIKit 0x31b675f4 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 20
16 CoreFoundation 0x3347defc -[NSObject(NSObject) performSelector:withObject:] + 16
17 QuartzCore 0x33351bae -[CALayer layoutSublayers] + 114
18 QuartzCore 0x33351966 CALayerLayoutIfNeeded + 178
19 QuartzCore 0x333571be CA::Context::commit_transaction(CA::Transaction*) + 206
20 QuartzCore 0x33356fd0 CA::Transaction::commit() + 184
21 QuartzCore 0x3335004e CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 50
22 CoreFoundation 0x334e7a2e __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 10
23 CoreFoundation 0x334e945e __CFRunLoopDoObservers + 406
24 CoreFoundation 0x334ea754 __CFRunLoopRun + 848
25 CoreFoundation 0x3347aebc CFRunLoopRunSpecific + 224
26 CoreFoundation 0x3347adc4 CFRunLoopRunInMode + 52
27 GraphicsServices 0x311a5418 GSEventRunModal + 108
28 GraphicsServices 0x311a54c4 GSEventRun + 56
29 UIKit 0x31b90d62 -[UIApplication _run] + 398
30 UIKit 0x31b8e800 UIApplicationMain + 664
31 Vento 0x00002c64 main (main.m:14)
32 Vento 0x00002c0c start + 32
Any idea where to start digging?
Thank you!
Look at the log to see the exception detail.
Run the static code analyzer over your code. It may find the bug for you.