gistfile1.txt

#0	0x32a10960 in objc_exception_throw ()
#1	0x3604bb3c in _PFFaultHandlerLookupRow ()
#2	0x3604d0fe in _PF_FulfillDeferredFault ()
#3	0x36054c10 in _PF_ManagedObject_WillChangeValueForKeyIndex ()
#4	0x3605f332 in _sharedIMPL_setvfk_core ()
#5	0x0009c4f2 in __block_global_0 at /Users/Jonathan/Projects/matchbox_ios/matchbox/matchbox/MBUser.m:60
#6	0x36068bc0 in developerSubmittedBlockToNSManagedObjectContextPerform ()
#7	0x333f04b6 in _dispatch_client_callout ()
#8	0x333f51bc in _dispatch_main_queue_callback_4CF$VARIANT$mp ()
#9	0x346d3f3a in __CFRunLoopRun ()
#10	0x34646ebc in CFRunLoopRunSpecific ()
#11	0x34646d48 in CFRunLoopRunInMode ()
#12	0x34b832ea in GSEventRunModal ()
#13	0x35a25300 in UIApplicationMain ()
#14	0x00060cc4 in main at /Users/Jonathan/Projects/matchbox_ios/matchbox/matchbox/main.m:16


- (void)awakeFromFetch
{
    [super awakeFromFetch];
    
    if (![self.hasImage boolValue]) {
        NSManagedObjectID *moID = self.objectID;
        NSManagedObjectContext *ctx = self.managedObjectContext;
        
        NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:[self URLForRemoteImage]];
        AFImageRequestOperation *op = [AFImageRequestOperation imageRequestOperationWithRequest:req success:^(UIImage *image) {
            [ctx performBlock:^{
                MBUser *user = (MBUser *)[ctx objectWithID:moID];
                if (!user.isDeleted) {
                    user.image = UIImagePNGRepresentation(image); // <--- Crashes here
                    user.hasImage = @YES;
                    [[MBMatchboxAPI sharedMatchboxAPI] saveContext];
                }
            }];
        }];
        [[MBMatchboxAPI sharedMatchboxAPI].imageHTTPClient enqueueHTTPRequestOperation:op];
    }
}