I'm having some issues with a Results object on Realm.
I have a collection of type 'Offer', and in three different view controllers I have three different queries to Offer Realm collection depending on an Offer property.
'Offer' objects are different for each user so, when the user logs out I clean all session data, including this collection.
When the user signs in again (closing the app or not), all collections are reloaded and I receive this exception:
malloc: *** error for object 0x208a7614: incorrect checksum for freed object - object was probably modified after being freed.
The way I reload each collection is:
First If there are offers available on local Database, I load them.
After that, I request Offers from remote and when I received them I remove all from local and add all new ones.
Finally I save them on Realm, I receive the changeset from Realm (with RxRealm) and I make all changes on a CollectionView (with performBatchUpdates).
The way I do the 'swap' on Realm after reloading is:
do{
try realm.write(){
realm.delete(andRemove)
realm.add(offers, update: true)
}
}
And the ChangeSet is applied like this:
func applyChangeset(deleted:[Int], inserted:[Int], updated:[Int], animationStyle:UITableViewRowAnimation = .automatic) {
self.performBatchUpdates({
self.deleteItemsAtIndexPaths(deleted.map { IndexPath(row: $0, section: 0) }, animationStyle: animationStyle)
self.insertItemsAtIndexPaths(inserted.map { IndexPath(row: $0, section: 0) }, animationStyle: animationStyle)
self.reloadItemsAtIndexPaths(updated.map { IndexPath(row: $0, section: 0) }, animationStyle: animationStyle)
}, nil)
}
The exception below rises on applyChangeset method last line.
I know the problem happens when I try to reload the collection, because if I don't request offers from remote, It works perfectly.
What could it be happening?
Regards
Edit: Backtrace
