我在生产应用程序中发现了一些奇怪的coredata错误,并且我能够获得崩溃报告。Coredata在提取时崩溃
及其在倍以下消息崩溃
***误差对象0x17e400000:释放未分配指针
***误差对象0x17fd03730:被重新分配指针没有被分配
这里是堆栈跟踪
Crashed: SQLQueue 0x13ff15250 for datastore.sqlite
SIGABRT ABORT 0x0000000183986014
0 libsystem_kernel.dylib __pthread_kill + 8
1 libsystem_pthread.dylib pthread_kill + 112
2 libsystem_c.dylib abort + 140
3 libsystem_malloc.dylib _nano_vet_and_size_of_live + 330
4 libsystem_malloc.dylib nano_free + 220
5 libsqlite3.dylib sqlite3_finalize + 244
6 CoreData -[NSSQLiteConnection _finalizeStatement] + 100
7 CoreData -[NSSQLiteConnection releaseSQLStatement] + 52
8 CoreData newFetchedRowsForFetchPlan_MT + 2420
9 CoreData _executeFetchRequest + 72
10 CoreData -[NSSQLFetchRequestContext executeRequestUsingConnection:] + 60
11 CoreData __52-[NSSQLDefaultConnectionManager handleStoreRequest:]_block_invoke + 260
12 libdispatch.dylib _dispatch_client_callout + 16
13 libdispatch.dylib _dispatch_barrier_sync_f_invoke + 84
14 CoreData -[NSSQLDefaultConnectionManager handleStoreRequest:] + 208
15 CoreData -[NSSQLCoreDispatchManager routeStoreRequest:] + 288
16 CoreData -[NSSQLCore dispatchRequest:withRetries:] + 200
17 CoreData -[NSSQLCore processFetchRequest:inContext:] + 108
18 CoreData -[NSSQLCore executeRequest:withContext:error:] + 504
19 CoreData __65-[NSPersistentStoreCoordinator executeRequest:withContext:error:]_block_invoke + 4512
20 CoreData -[NSPersistentStoreCoordinator _routeHeavyweightBlock:] + 276
21 CoreData -[NSPersistentStoreCoordinator executeRequest:withContext:error:] + 408
22 CoreData -[NSManagedObjectContext executeFetchRequest:error:] + 572
23 CoreData -[NSManagedObjectContext(_NestedContextSupport) _parentObjectsForFetchRequest:inContext:error:] + 456
24 CoreData __82-[NSManagedObjectContext(_NestedContextSupport) executeRequest:withContext:error:]_block_invoke + 584
25 CoreData internalBlockToNSManagedObjectContextPerform + 92
26 libdispatch.dylib _dispatch_client_callout + 16
27 libdispatch.dylib _dispatch_barrier_sync_f_invoke + 84
28 CoreData _perform + 232
29 CoreData -[NSManagedObjectContext(_NestedContextSupport) executeRequest:withContext:error:] + 188
30 CoreData -[NSManagedObjectContext executeFetchRequest:error:] + 572
31 *MY_APP* NSManagedObject+MagicalRecord.m line 50__67+[NSManagedObject(MagicalRecord) MR_executeFetchRequest:inContext:]_block_invoke
它确实发生在主线程上,我对如何调试这个问题感到困惑。看起来像一个内存问题,但。同时使用乐器时,它会在应用程序中显示NSPrivateQueueConcurrencyType
的某些泄漏。
寻找一些启示它的见解。
应用程序广泛使用MagicalRecord,这里是导致上述崩溃的应用程序中的代码块。它只是从主线正常获取。最有趣的是它随机崩溃,即它不总是崩溃,但有时在执行Fetch时崩溃。
NSPredicate *filterPredicate = [NSPredicate predicateWithFormat:@"code == %@ and pid == %@", aCode,pid]; Permission *aPermission = [Permission MR_findFirstWithPredicate:filterPredicate];
也粘贴一些代码。 – kb920
@Sj这可能帮助 - :http://stackoverflow.com/questions/15253966/getting-the-error-pointer-being-freed-was-not-allocated-set-a-breakpoint-in –
如果你可以共享一些'fetchRequest'和'object updates'相关的代码 – ystack