我向App Store提交了我的應用程序更新,這需要更新/遷移核心數據模型。這只是一個簡單的改變,只需添加一個新的屬性,一個改名。對於大多數用戶來說似乎都沒有問題,但是我有2次崩潰報告,我不明白。核心數據導致應用程序在遷移時崩潰
在執行自動推斷遷移時,所有崩潰都會出現。我的遷移選項是NSMigratePersistentStoresAutomaticallyOption
和NSInferMappingModelAutomaticallyOption
。
有沒有人有任何想法是什麼花了這麼長的時間遷移?每次應用程序啓動時都會導致崩潰,所以應用程序無法使用這些用戶。他們都運行iPhone OS 3.1.2。
任何幫助將不勝感激。
報告用戶A
com.foo.MyApp failed to launch in time
elapsed total CPU time (seconds): 19.970 (user 14.130, system 5.840), 92% CPU
elapsed application CPU time (seconds): 9.910, 45% CPU
Thread 0:
0 CoreData 0x00093d08 -[NSPersistentStoreCoordinator dealloc] + 0
1 CoreFoundation 0x0003963a -[NSObject release] + 28
2 CoreData 0x000b6e0e -[NSSQLiteInPlaceMigrationManager migrateStoreFromURL:type:options:withMappingModel:toDestinationURL:destinationType:destinationOptions:error:] + 1470
3 CoreData 0x000aceb0 -[NSStoreMigrationPolicy(InternalMethods) migrateStoreAtURL:toURL:storeType:options:withManager:error:] + 92
4 CoreData 0x000ad6f0 -[NSStoreMigrationPolicy migrateStoreAtURL:withManager:metadata:options:error:] + 72
5 CoreData 0x000ac9ee -[NSStoreMigrationPolicy(InternalMethods) _gatherDataAndPerformMigration:] + 880
6 CoreData 0x0000965c -[NSPersistentStoreCoordinator addPersistentStoreWithType:configuration:URL:options:error:] + 1328
Unknown thread crashed with unknown flavor: 5, state_count: 1
報告用戶B
com.foo.MyApp failed to suspend in time
elapsed total CPU time (seconds): 18.580 (user 13.320, system 5.260), 93% CPU
elapsed application CPU time (seconds): 8.340, 42% CPU
Thread 0:
0 libsqlite3.dylib 0x00022f14 sqlite3_backup_init + 2396
1 libsqlite3.dylib 0x00025474 sqlite3_backup_init + 11964
2 libsqlite3.dylib 0x000255dc sqlite3_backup_init + 12324
3 libsqlite3.dylib 0x0002aa74 sqlite3_open16 + 16084
4 libsqlite3.dylib 0x00047838 sqlite3_prepare16 + 46920
5 libsqlite3.dylib 0x00002940 sqlite3_step + 44
6 CoreData 0x00011958 _execute + 44
7 CoreData 0x000113e0 -[NSSQLiteConnection execute] + 696
8 CoreData 0x000994be -[NSSQLConnection prepareAndExecuteSQLStatement:] + 26
9 CoreData 0x000be14c -[_NSSQLiteStoreMigrator performMigration:] + 244
10 CoreData 0x000b6c60 -[NSSQLiteInPlaceMigrationManager migrateStoreFromURL:type:options:withMappingModel:toDestinationURL:destinationType:destinationOptions:error:] + 1040
11 CoreData 0x000aceb0 -[NSStoreMigrationPolicy(InternalMethods) migrateStoreAtURL:toURL:storeType:options:withManager:error:] + 92
12 CoreData 0x000ad6f0 -[NSStoreMigrationPolicy migrateStoreAtURL:withManager:metadata:options:error:] + 72
13 CoreData 0x000ac9ee -[NSStoreMigrationPolicy(InternalMethods) _gatherDataAndPerformMigration:] + 880
14 CoreData 0x0000965c -[NSPersistentStoreCoordinator addPersistentStoreWithType:configuration:URL:options:error:] + 1328
Unknown thread crashed with unknown flavor: 5, state_count: 1
謝謝你的回答!確實,核心數據花費的時間太長,無法將數據創建並遷移到新升級的數據庫。這是由於數據庫文件很大。最後,我只是讓應用程序完全初始化,並在下一次運行循環中執行我自己的設置。完美的作品! – 2010-05-22 09:33:47