Realm , Object is already managed by another Realm

Question

1. Use realm to save data.
2. Config the realm use defaultconfig.
3. then , I addOrUpdate some RLMModels
4. It's success.

5. I changed the config use

    RLMRealmConfiguration *config = [RLMRealmConfiguration defaultConfiguration]; config.fileURL = [[[config.fileURL URLByDeletingLastPathComponent] URLByAppendingPathComponent:@"myname"] URLByAppendingPathExtension:@"realm"]; [RLMRealmConfiguration setDefaultConfiguration:config]; 

6. I addOrUpdate the same RLMModels

7. console print error:

    2017-11-09 10:50:18.293801+0800 LNLibBase_Example[96588:8779968] *** Terminating app due to uncaught exception 'RLMException', reason: 'Object is already managed by another Realm. Use create instead to copy it into this Realm.' 

Answer 1

As the error message states, an object that is already managed by a Realm cannot be added to a different Realm. What you can do instead is create a copy of it in a different Realm using +createInRealm:withValue: .