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POEXC_BAD_ACCESS error when using Core Data when changing attribute value
 

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  1. POEXC_BAD_ACCESS error when using Core Data when changing attribute value
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    <p>Im pretty new to Core Data programming and Cocoa in general, so no wonder I'm having troubles :)</p> <p>So here is my managedObjectModel method:</p> <pre><code>- (NSManagedObjectModel *)managedObjectModel { if (managedObjectModel != nil) { return managedObjectModel; } NSString *modelPath = [[NSBundle mainBundle] pathForResource:@"Model" ofType:@"momd"]; NSURL *modelURL = [NSURL fileURLWithPath:modelPath]; NSAssert(modelURL != nil,@"modelURL == nil"); managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:modelURL]; return managedObjectModel; } </code></pre> <p>Here is the part of the code that crashes:</p> <pre><code>NSManagedObjectModel *mom = [self managedObjectModel]; managedObjectModel = mom; if (applicationLogDirectory() == nil) { NSLog(@"Could not find application logs directory\nExiting..."); exit(1); } NSManagedObjectContext *moc = [self managedObjectContext]; NSProcessInfo *processInfo = [NSProcessInfo processInfo]; NSEntityDescription *newShotEntity = [[mom entitiesByName] objectForKey:@"Entity"]; Entity *shEnt = [[Entity alloc] initWithEntity:newShotEntity insertIntoManagedObjectContext:moc]; shEnt.pid = [processInfo processIdentifier]; // EXC_BAD_ACCESS (code=1, address=0x28ae) here !!! NSError *error; if (![moc save: &amp;error]) { NSLog(@"Error while saving\n%@", ([error localizedDescription] != nil) ? [error localizedDescription] : @"Unknown Error"); exit(1); } </code></pre> <p>Im really confused why I'm having this error, since when I hardcoded the Data Model instead of using .xcdatamodeld file it was working just fine! </p> <p>Any kind of help is really appreciated!</p> <p>EDIT 1: since I'm having all those questions asked I want to make everything clear, sorry for not providing all this before.</p> <pre><code> // Entity.h #import &lt;CoreData/CoreData.h&gt; @interface Entity : NSManagedObject @property (strong) NSDate *date; @property (assign) NSInteger pid; @end //Entity.m #import "Entity.h" @interface Entity () @property (strong) NSDate *primitiveDate; @end @implementation Entity @dynamic date,primitiveDate,pid; - (void) awakeFromInsert { [super awakeFromInsert]; self.primitiveDate = [NSDate date]; } - (void)setNilValueForKey:(NSString *)key { if ([key isEqualToString:@"pid"]) { self.pid = 0; } else { [super setNilValueForKey:key]; } } @end </code></pre>
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    1. USEugene Gordin
    1. USEugene Gordin
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    1. PO
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    1. This table or related slice is empty.
    1. COThere is one `=` too much in `Entity *shEnt = = [[Entity alloc] initWithEntity:...`.
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      1. USMartin R
    2. COoops! sorry...typo...but that is not the problem...i made this typo posting the question :) any other suggestions?
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      1. POEXC_BAD_ACCESS error when using Core Data when changing attribute value
      1. USEugene Gordin
    3. COWhat's the declaration for `shEnt.pid`? I would expect it to be NSNumber, while `[processInfo processIdentifier]` is int.
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      1. POEXC_BAD_ACCESS error when using Core Data when changing attribute value
      1. USPhillip Mills
 

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