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PONSZombieEnabled prevents my app from crashing
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  1. PONSZombieEnabled prevents my app from crashing
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    copied!<p>So I've been debugging like a mad men using NSZombiesEnabled and NSZombies in Instruments. However when running the app using zombies it seems to resolve my issue. When I run the app without NSZombiesEnabled or NSZombies in instruments it crashes. Any idea on how to deal with this?</p> <p>So the issue is that I am releasing something twice, but can't seem to find where I am doing this. Turning on NSZombieEnabled won't help as the program runs fine without telling me where I am over releasing.</p> <p>So I think I kind of know where it's crashing, I have this globalArray Singleton class that I am creating:</p> <pre><code>extern NSString * const kClearDataSource; @interface AHImageDataSource : NSObject + (AHImageDataSource *)sharedDataSource; - (void) clearDataSource; - (void) addObject:(id) object; - (void) addObject:(id)object atIndex:(int) index; - (int) count; - (id) objectAtIndex:(int) index; @end NSString * const kClearDataSource = @"clearDataSource"; @interface AHImageDataSource() { NSMutableArray * imageDataSource_; } @property (nonatomic, retain) NSMutableArray * imageDataSource_; @end @implementation AHImageDataSource @synthesize imageDataSource_; + (AHImageDataSource *)sharedDataSource { static AHImageDataSource *_sharedClient = nil; static dispatch_once_t oncePredicate; dispatch_once(&amp;oncePredicate, ^{ _sharedClient = [[self alloc] init]; }); return _sharedClient; } - (id)init { self = [super init]; if (!self) { return nil; } NSMutableArray * temp = [[NSMutableArray alloc] initWithCapacity:200]; self.imageDataSource_ = temp; [temp release]; return self; } -(void) clearDataSource { if ([self.imageDataSource_ count] &gt; 0){ [self.imageDataSource_ removeAllObjects]; } } - (void) addObject:(id) object { [self.imageDataSource_ addObject:object]; } - (void) addObject:(id)object atIndex:(int) index { [self.imageDataSource_ insertObject:object atIndex:index]; } - (int) count { return [self.imageDataSource_ count]; } - (id) objectAtIndex:(int) index { if (index &gt;= 0 &amp;&amp; index &lt; [self.imageDataSource_ count]){ return [self.imageDataSource_ objectAtIndex:index]; } return nil; } - (void) dealloc { [super dealloc]; [imageDataSource_ release]; } @end </code></pre> <p>at one point of the code I am trying to remove all of the objects in the array and then adding some stuff in. When that happen the crashed happened.</p> <p>This part of the code crashes the second time it was executed:</p> <pre><code> NSArray *arr = [response valueForKey:@"data"]; if ([arr count] &gt; 0){ [[AHImageDataSource sharedDataSource] clearDataSource]; } for (NSDictionary * data in arr){ AHInstagramImageData * imgData = [[AHInstagramImageData alloc] initWithData:data]; [[AHImageDataSource sharedDataSource] addObject:imgData]; [imgData release]; } </code></pre>
 

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