Cant link my Model.xcmodeld file to CoreStore #229

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adam · 2025-12-29T18:24:36+01:00

adam commented

2025-12-29 18:24:36 +01:00

Originally created by @siempay on GitHub (Sep 19, 2018).

I have a framework where I setup my model layer and there I have "Model.xcdatamodeld" file where my model graph is, but following the tuto here, I could not addStorage successfully
and keep getting this: "Could not find \"Model.momd\" from the bundle \"com.utopie.myapp\". Other model files in bundle: 0 item(s) []"
as I understood : I should do just try CoreStore.addStorageAndWait() inside the framework where my file is! am I right ?

Originally created by @siempay on GitHub (Sep 19, 2018). I have a framework where I setup my model layer and there I have `"Model.xcdatamodeld"` file where my model graph is, but following the tuto here, I could not addStorage successfully and keep getting this: `"Could not find \"Model.momd\" from the bundle \"com.utopie.myapp\". Other model files in bundle: 0 item(s) []" ` as I understood : I should do just `try CoreStore.addStorageAndWait()` inside the framework where my file is! am I right ?

adam added the question label 2025-12-29 18:24:36 +01:00

adam commented

2025-12-29 18:24:36 +01:00

@JohnEstropia commented on GitHub (Sep 20, 2018):

Can you show the exact code you are calling?

@JohnEstropia commented on GitHub (Sep 20, 2018): Can you show the exact code you are calling?

adam commented

2025-12-29 18:24:36 +01:00

@siempay commented on GitHub (Sep 24, 2018):

I used all simples from your documentation:
CoreStore.defaultStack = DataStack( xcodeModelName: "myModel")
but I could not connect to my model file.

This is what Im already using to load persistant store

/// context public func getContext() -> NSManagedObjectContext{ return self.persistentContainer.viewContext }

// MARK: - Core Data stack

public lazy var persistentContainer: NSPersistentContainer = {
    /*
     The persistent container for the application. This implementation
     creates and returns a container, having loaded the store for the
     application to it. This property is optional since there are legitimate
     error conditions that could cause the creation of the store to fail.
     */
    let modelURL = Bundle(for: type(of: self)).url(forResource: "Model", withExtension: "momd")!
    let managedObjectModel = NSManagedObjectModel(contentsOf: modelURL)
    let container = NSPersistentContainer(name: "ModelTDLPV", managedObjectModel: managedObjectModel!)
    container.loadPersistentStores(completionHandler: { (storeDescription, error) in
        if let error = error as NSError? {
            // Replace this implementation with code to handle the error appropriately.
            // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
            
            /*
             Typical reasons for an error here include:
             * The parent directory does not exist, cannot be created, or disallows writing.
             * The persistent store is not accessible, due to permissions or data protection when the device is locked.
             * The device is out of space.
             * The store could not be migrated to the current model version.
             Check the error message to determine what the actual problem was.
             */
            fatalError("Unresolved error \(error), \(error.userInfo)")
        }
    })
    return container
}()`

@siempay commented on GitHub (Sep 24, 2018): I used all simples from your documentation: `CoreStore.defaultStack = DataStack( xcodeModelName: "myModel")` but I could not connect to my model file. **This is what Im already using to load persistant store** `/// context public func getContext() -> NSManagedObjectContext{ return self.persistentContainer.viewContext }` // MARK: - Core Data stack public lazy var persistentContainer: NSPersistentContainer = { /* The persistent container for the application. This implementation creates and returns a container, having loaded the store for the application to it. This property is optional since there are legitimate error conditions that could cause the creation of the store to fail. */ let modelURL = Bundle(for: type(of: self)).url(forResource: "Model", withExtension: "momd")! let managedObjectModel = NSManagedObjectModel(contentsOf: modelURL) let container = NSPersistentContainer(name: "ModelTDLPV", managedObjectModel: managedObjectModel!) container.loadPersistentStores(completionHandler: { (storeDescription, error) in if let error = error as NSError? { // Replace this implementation with code to handle the error appropriately. // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development. /* Typical reasons for an error here include: * The parent directory does not exist, cannot be created, or disallows writing. * The persistent store is not accessible, due to permissions or data protection when the device is locked. * The device is out of space. * The store could not be migrated to the current model version. Check the error message to determine what the actual problem was. */ fatalError("Unresolved error \(error), \(error.userInfo)") } }) return container }()`

adam commented

2025-12-29 18:24:37 +01:00

@JohnEstropia commented on GitHub (Sep 25, 2018):

You mention you are using a framework, so your model's source Bundle is not Bundle.main which CoreStore uses as default. Please try:

CoreStore.defaultStack = DataStack(xcodeModelName: "Model", bundle: Bundle(for: type(of: self)))

@JohnEstropia commented on GitHub (Sep 25, 2018): You mention you are using a framework, so your model's source `Bundle` is not `Bundle.main` which CoreStore uses as default. Please try: ```swift CoreStore.defaultStack = DataStack(xcodeModelName: "Model", bundle: Bundle(for: type(of: self))) ```

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Reference: starred/CoreStore-JohnEstropia#229