Core Data table 查看异常崩溃

Question

这是来自 Flurry 崩溃分析的堆栈跟踪。知道我的核心数据 table 视图实现出了什么问题吗？

Full Stack Trace:
0   CoreFoundation                      0x182d5c2d8 <redacted> + 132
1   libobjc.A.dylib                     0x194a280e4 _objc_exception_throw + 60
2   CoreFoundation                      0x182d5c218 -[NSException initWithCoder:] + 0
3   CoreData                            0x182a1fbc8 -[_PFBatchFaultingArray objectAtIndex:] + 204
4   Appname                             0x1000615e0 -[MasterViewController configureCell:atIndexPath:] + 124
5   Appname                             0x1000613b8 -[MasterViewController controller:didChangeObject:atIndexPath:forChangeType:newIndexPath:] + 580
6   CoreData                            0x182b22d60 <redacted> + 4124
7   CoreData                            0x182aa1218 <redacted> + 200
8   CoreData                            0x182aa10e4 -[NSManagedObjectContext performBlockAndWait:] + 256
9   CoreData                            0x182a2c650 -[NSFetchedResultsController _managedObjectContextDidChange:] + 124
10  CoreFoundation                      0x182d022c4 <redacted> + 20
11  CoreFoundation                      0x182c3f450 __CFXNotificationPost + 2060
12  Foundation                          0x183b6ea80 -[NSNotificationCenter postNotificationName:object:userInfo:] + 72
13  CoreData                            0x182a2c5ac -[NSManagedObjectContext _postObjectsDidChangeNotificationWithUserInfo:] + 88
14  CoreData                            0x182a2c52c -[NSManagedObjectContext _createAndPostChangeNotification:withDeletions:withUpdates:withRefreshes:] + 364
15  CoreData                            0x182a2a9d4 -[NSManagedObjectContext _processRecentChanges:] + 2552
16  CoreData                            0x182a22dc4 <redacted> + 384
17  CoreFoundation                      0x182d142a4 <redacted> + 32
18  CoreFoundation                      0x182d11230 <redacted> + 360
19  CoreFoundation                      0x182d11610 <redacted> + 836
20  CoreFoundation                      0x182c3d2d4 _CFRunLoopRunSpecific + 396
21  GraphicsServices                    0x18c6936fc _GSEventRunModal + 168
22  UIKit                               0x18783af40 _UIApplicationMain + 1488
23  Appname                              0x1000d8d0c -[MainRowType .cxx_destruct] + 180
24  libdyld.dylib                       0x1950d2a08 <redacted> + 4

感谢帮助！

Answer 1

您遇到了一些异常，并且您正在使用该异常与编码器一起初始化。

包含信息的对象为nil，正在用编码器调用init。所以在继续对象之前检查 nil 会很好。

没有代码我们不能说更多;)

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