我们在尝试在iOS 10上迁移Core Data时遇到了SQL数据库的异常。抛出了异常,但似乎迁移仍然成功。我们进行手动迁移,然后MagicalRecord处理其余的设置。有没有其他人经历过这个/知道如何解决这个问题?
错误输出:
CoreData: error: (6922) I/O error for database at /var/mobile/Containers/Data/Application/9CA333FB-49CB-4168-B26A-A6F6E6CF94C7/Documents/Messaging.sqlite. SQLite error code:6922, 'disk I/O error'
CoreData: error: -addPersistentStoreWithType:SQLite configuration:(null) URL:file:///var/mobile/Containers/Data/Application/9CA333FB-49CB-4168-B26A-A6F6E6CF94C7/Documents/Messaging.sqlite options:{
NSInferMappingModelAutomaticallyOption = 1;
NSMigratePersistentStoresAutomaticallyOption = 1;
NSSQLitePragmasOption = {
"journal_mode" = WAL;
};
} ... returned error Error Domain=NSCocoaErrorDomain Code=256 "The file couldn't be opened." UserInfo={NSSQLiteErrorDomain=6922, NSUnderlyingException=I/O error for database at /var/mobile/Containers/Data/Application/9CA333FB-49CB-4168-B26A-A6F6E6CF94C7/Documents/Messaging.sqlite. SQLite error code:6922, 'disk I/O error'} with userInfo dictionary {
NSSQLiteErrorDomain = 6922;
NSUnderlyingException = "I/O error for database at /var/mobile/Containers/Data/Application/9CA333FB-49CB-4168-B26A-A6F6E6CF94C7/Documents/Messaging.sqlite. SQLite error code:6922, 'disk I/O error'";
}
CoreData: error: Illegal attempt to save to a file that was never opened. "This NSPersistentStoreCoordinator has no persistent stores (I/O error). It cannot perform a save operation.". Last recorded error = Error Domain=NSCocoaErrorDomain Code=256 "The file "Messaging.sqlite" couldn't be opened." UserInfo={NSFilePath=/var/mobile/Containers/Data/Application/9CA333FB-49CB-4168-B26A-A6F6E6CF94C7/Documents/Messaging.sqlite, NSSQLiteErrorDomain=6922} / {
NSFilePath = "/var/mobile/Containers/Data/Application/9CA333FB-49CB-4168-B26A-A6F6E6CF94C7/Documents/Messaging.sqlite";
NSSQLiteErrorDomain = 6922;
}
答案 0 :(得分:2)
我今天升级到Xcode 11 beta 5后遇到了这个问题。
运行命令以重置我所有的模拟器都为我更正了
xcrun simctl erase all