str*_*mes 6 crash-reports ios10 unusernotificationcenter
保存你自己的几个小时的调试,因为我已经浪费了2个星期后寻找神秘的应用程序崩溃的bug.事实证明,如果你向它添加了很多o(请参阅答案以获取更多详细信息)通知请求UNUserNotificationCenter,它将突然崩溃Springboard.我还没有找到解决方法,因为相同的代码适用于iOS 9及更低版本.您似乎无法批量添加之前的通知请求.以下是我每次收到的崩溃(数百名应用用户也是如此).知道我能做什么而不是回到使用UILocalNotifications？
Incident Identifier: 17BC9D5B-AF74-4592-8427-038375C27AE7
CrashReporter Key: a819553d1e72ee25a5ced9ddc79dbf00a7d3851f
Hardware Model: iPad5,3
Process: SpringBoard [2371]
Path: /System/Library/CoreServices/SpringBoard.app/SpringBoard
Identifier: com.apple.springboard
Version: 50 (1.0)
Code Type: ARM-64 (Native)
Role: Foreground
Parent Process: launchd [1]
Coalition: com.apple.springboard [71]
Date/Time: 2016-11-16 14:57:04.9159 +0400
Launch Time: 2016-11-16 14:49:20.9981 +0400
OS Version: iPhone OS 10.0 (14A5309d)
Report Version: 104
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Triggered by Thread: 13
Filtered syslog:
None found
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 GraphicsServices 0x0000000182396198 GSEventRunModal + 180
6 UIKit 0x00000001869327c8 -[UIApplication _run] + 664
7 UIKit 0x000000018692d534 UIApplicationMain + 208
8 libdyld.dylib 0x00000001805305b8 start + 4
Thread 1 name: com.apple.uikit.eventfetch-thread
Thread 1:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 Foundation 0x000000018142ce3c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
6 Foundation 0x000000018144d92c -[NSRunLoop(NSRunLoop) runUntilDate:] + 96
7 UIKit 0x000000018727af2c -[UIEventFetcher threadMain] + 136
8 Foundation 0x00000001815293ac __NSThread__start__ + 1024
9 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
10 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
11 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 2:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 Foundation 0x000000018142ce3c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
6 Foundation 0x0000000181481584 -[NSRunLoop(NSRunLoop) run] + 88
7 UIKit 0x0000000186f73298 -[UIStatusBarServerThread main] + 840
8 Foundation 0x00000001815293ac __NSThread__start__ + 1024
9 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
10 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
11 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 3:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 Foundation 0x000000018142ce3c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
6 CoreBrightness 0x0000000190ec5d10 -[BrightnessSystemClientInternal main] + 1392
7 Foundation 0x00000001815293ac __NSThread__start__ + 1024
8 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
9 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
10 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 4:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 SpringBoard 0x00000001001a0b00 0x1000f0000 + 723712
6 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
7 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
8 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 5 name: com.apple.springboard.icongeneration
Thread 5:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 SpringBoard 0x00000001001a0c00 0x1000f0000 + 723968
6 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
7 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
8 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 6 name: com.apple.CoreMotion.MotionThread
Thread 6:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 CoreFoundation 0x00000001809dd094 CFRunLoopRun + 112
6 CoreMotion 0x0000000187762994 0x187702000 + 395668
7 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
8 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
9 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 7 name: SBWiFiManager callback thread
Thread 7:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 Foundation 0x000000018142ce3c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
6 Foundation 0x0000000181481584 -[NSRunLoop(NSRunLoop) run] + 88
7 SpringBoard 0x0000000100215e44 0x1000f0000 + 1203780
8 Foundation 0x00000001815293ac __NSThread__start__ + 1024
9 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
10 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
11 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 8:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 Foundation 0x000000018142ce3c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
6 HomeKit 0x00000001913e8974 -[_HMLocationHandler createLocationManager] + 508
7 Foundation 0x00000001815293ac __NSThread__start__ + 1024
8 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
9 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
10 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 9:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 Foundation 0x000000018142ce3c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
6 CoreBrightness 0x0000000190ec5d10 -[BrightnessSystemClientInternal main] + 1392
7 Foundation 0x00000001815293ac __NSThread__start__ + 1024
8 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
9 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
10 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 10 name: CommonUtilities-WiFi-Thread
Thread 10:
0 libsystem_kernel.dylib 0x0000000180624194 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000180624004 mach_msg + 72
2 CoreFoundation 0x0000000180a61e8c __CFRunLoopServiceMachPort + 192
3 CoreFoundation 0x0000000180a5faa8 __CFRunLoopRun + 1132
4 CoreFoundation 0x000000018098f8d8 CFRunLoopRunSpecific + 444
5 CoreFoundation 0x00000001809dd094 CFRunLoopRun + 112
6 CommonUtilities 0x0000000182d10c20 0x182d0a000 + 27680
7 Foundation 0x00000001815293ac __NSThread__start__ + 1024
8 libsystem_pthread.dylib 0x00000001807079ec _pthread_body + 240
9 libsystem_pthread.dylib 0x00000001807078fc _pthread_body + 0
10 libsystem_pthread.dylib 0x0000000180704ef8 thread_start + 4
Thread 11:
0 libsystem_kernel.dylib 0x0000000180642a88 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x000000018070549c _pthread_wqthread + 1440
2 libsystem_pthread.dylib 0x0000000180704ef0 start_wqthread + 4
Thread 12:
0 libsystem_kernel.dylib 0x0000000180642a88 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x000000018070549c _pthread_wqthread + 1440
2 libsystem_pthread.dylib 0x0000000180704ef0 start_wqthread + 4
Thread 13 name: Dispatch queue: com.apple.frontboard.sqlite.database
Thread 13 Crashed:
0 libsystem_kernel.dylib 0x0000000180642014 __pthread_kill + 8
1 libsystem_pthread.dylib 0x00000001807094f0 pthread_kill + 112
2 libsystem_c.dylib 0x00000001805b64b8 abort + 140
3 libsystem_malloc.dylib 0x0000000180686a38 _nano_vet_and_size_of_live + 0
4 libsystem_malloc.dylib 0x0000000180687db8 nano_free + 220
5 libsqlite3.dylib 0x000000018103a5f8 0x180f95000 + 677368
6 libsqlite3.dylib 0x0000000180fbac9c 0x180f95000 + 154780
7 libsqlite3.dylib 0x0000000180fe6074 0x180f95000 + 331892
8 libsqlite3.dylib 0x0000000180fd70b0 sqlite3_step + 588
9 FrontBoard 0x0000000190312ee4 __79-[_FBSqlitePreparedSimpleStatement executeWithBindings:resultRowHandler:error:]_block_invoke + 424
10 libdispatch.dylib 0x00000001804fd784 _dispatch_client_callout + 16
11 libdispatch.dylib 0x000000018050aca4 _dispatch_barrier_sync_f_invoke + 84
12 FrontBoard 0x000000019031e0d0 -[FBSqliteDatabaseConnection performSyncWithDatabase:] + 80
13 FrontBoard 0x0000000190312cbc -[_FBSqlitePreparedSimpleStatement executeWithBindings:resultRowHandler:error:] + 148
14 FrontBoard 0x000000019035a4d8 -[FBSqliteApplicationDataStoreRepository _dbQueue_executeStatement:bindings:resultRowHandler:error:] + 80
15 FrontBoard 0x000000019035a538 -[FBSqliteApplicationDataStoreRepository _dbQueue_executeStatement:bindings:resultRowHandler:] + 72
16 FrontBoard 0x0000000190359374 -[FBSqliteApplicationDataStoreRepository _dbQueue_objectForKey:forApplication:] + 504
17 FrontBoard 0x0000000190357a34 __81-[FBSqliteApplicationDataStoreRepository objectForKey:forApplication:withResult:]_block_invoke.44 + 40
18 libdispatch.dylib 0x00000001804fd784 _dispatch_client_callout + 16
19 libdispatch.dylib 0x000000018050aca4 _dispatch_barrier_sync_f_invoke + 84
20 FrontBoard 0x0000000190357990 -[FBSqliteApplicationDataStoreRepository objectForKey:forApplication:withResult:] + 92
21 FrontBoard 0x000000019038a5cc -[FBApplicationDataStoreInProcessRepositoryClient objectForKey:forApplication:withResult:checkPrefetch:] + 528
22 FrontBoardServices 0x00000001825c3e3c __40-[FBSApplicationDataStore objectForKey:]_block_invoke + 112
23 libdispatch.dylib 0x00000001804fd784 _dispatch_client_callout + 16
24 libdispatch.dylib 0x0000000180508f80 _dispatch_block_invoke_direct + 376
25 BaseBoard 0x00000001825415a8 -[NSObject(BaseBoard) bs_performSynchronously:timeout:] + 144
26 FrontBoardServices 0x00000001825c3d7c -[FBSApplicationDataStore objectForKey:] + 224
27 FrontBoardServices 0x00000001825c4044 -[FBSApplicationDataStore safeObjectForKey:ofType:] + 32
28 FrontBoardServices 0x00000001825c41d4 -[FBSApplicationDataStore archivedObjectForKey:] + 64
29 FrontBoardServices 0x00000001825c4314 -[FBSApplicationDataStore safeArchivedObjectForKey:ofType:] + 32
30 UserNotificationsServer 0x000000019c52169c -[UNSPendingNotificationRepository _pendingNotificationDictionariesForBundleIdentifier:] + 140
31 UserNotificationsServer 0x000000019c5219d0 -[UNSPendingNotificationRepository setPendingNotificationRecords:forBundleIdentifier:] + 72
32 UserNotificationsServer 0x000000019c5249b4 -[UNSLocalNotificationClient _setPendingNotificationRecords:] + 500
33 UserNotificationsServer 0x000000019c5235c4 -[UNSLocalNotificationClient addPendingNotificationRecords:] + 1124
34 UserNotificationsServer 0x000000019c51d648 -[UNSNotificationSchedulingService _queue_addPendingNotificationRecords:forBundleIdentifier:] + 84
35 UserNotificationsServer 0x000000019c51c6b0 __108-[UNSNotificationSchedulingService addPendingNotificationRecords:forBundleIdentifier:withCompletionHandler:]_block_invoke + 36
36 libdispatch.dylib 0x00000001804fd7c4 _dispatch_call_block_and_release + 24
37 libdispatch.dylib 0x00000001804fd784 _dispatch_client_callout + 16
38 libdispatch.dylib 0x000000018050b880 _dispatch_queue_serial_drain + 928
39 libdispatch.dylib 0x0000000180500f6c _dispatch_queue_invoke + 652
40 libdispatch.dylib 0x000000018050bd7c _dispatch_queue_override_invoke + 360
41 libdispatch.dylib 0x000000018050d718 _dispatch_root_queue_drain + 572
42 libdispatch.dylib 0x000000018050d478 _dispatch_worker_thread3 + 124
43 libsystem_pthread.dylib 0x00000001807053f8 _pthread_wqthread + 1276
44 libsystem_pthread.dylib 0x0000000180704ef0 start_wqthread + 4
更新:它似乎不是基于特定数量的通知.我碰巧经常触发它,因为我在应用程序处于后台时注册了大约30到40个通知(推送通知,应用程序刷新,应用程序转到后台等) - 因为异常添加这些警报需要比平时更长的时间,应用程序同时放弃它所持有的后台任务标识符.我在下面详细解释了这一点,以及一个解决方法.
此错误已被Apple确认,并标记为先前报告的错误的副本.我希望这会得到修复,因为它会在某些边缘情况下继续导致问题,即应用程序在后台启动并且很快就会超时(在后台内容刷新期间).
我找到了解决方法（错误已记录，Apple 错误 ID 为 29286162）
本质上，如果用户按下主页按钮返回 SpringBoard 时正UNUserNotificationCenter忙于添加通知并且尚未完成此操作，则 SpringBoard 似乎会崩溃。显然，不知何故，线程正在死亡（好吧，可能是因为我必须放弃后台任务标识符，希望它能UNUserNotificationCenter愉快地在自己的系统提供的后台线程中消耗传递的请求），将正在进行的异步操作留在陷入困境，导致 Springboard 最终崩溃。我现在只需在后台任务 ( UIBackgroundTaskIdentifier) 中生成一个线程并保留它，直到完成添加所有通知。这导致了零崩溃——之前所有抱怨过同样问题的用户也证实了这一点。
// arrTasksToSchedule -> holds UNNotificationRequests to add
__block NSInteger volatile processedAlerts = 0;
NSInteger totalToProcess = [arrTasksToSchedule count];
UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
for (UNNotificationRequest* notifRequest in arrTasksToSchedule) {
[center addNotificationRequest:notifRequest withCompletionHandler:^(NSError * _Nullable error) {
processedAlerts++;
}];
}
// Let the runloop carry on processing events till we're done
while (processedAlerts != totalToProcess) {
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
}
// Okay we're done, and can now let go of our held UIBackgroundTaskIdentifier
该文档没有提及后台任务、UNUserNotificationCenter在后台任务中使用的危险或与多线程等相关的任何内容。我只能假设他们没有意识到大多数应用程序在将其应用程序发送到后台时（或在后台内容刷新推送通知）。
由于 Springboard 崩溃 - 没有为应用程序本身生成崩溃报告。用户不断抱怨，这是一种非常困难的情况，你对此一无所知。我希望这可以减轻一些人的头痛。
更新：虽然上面的代码现在工作得很好，但我做了一些修改，因为如果用户关闭应用程序并按下电源按钮关闭屏幕，则可能无法满足 while 循环的条件。在这种情况下，runloop 显然没有什么可处理的并且会阻塞。相反，下面的方法可以解决问题：
// Wait in a run loop
while (processedAlerts != totalToProcess) {
[NSThread sleepForTimeInterval:0.15];
// Don't use the following, as it will stop firing in case
// the runloop has no events (such as touch events) firing
// [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
}
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