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Posts Tagged ‘Memory Leak’


July 9th, 2010
For some reason I experienced another odd memory leak and I'm not sure what causing it, when I try to access one of my view controllers.


The thing was... I mistakenly selected "Simulator 3.0" which the bug exists.

Simulator 3.0

Apple already fixed this issue with 3.1.
Under "Known Issues and Fixes/Core Data"
"The memory leak of an NSConcreteMutableData instance when processing object changes has been fixed."

NSZombieEnabled Causes memory Leak.

April 10th, 2010

Xcode's InstrumentNoobie Mistake while trying to traced memory leak with the app I am working on using the instrument provided by xcode , I got series of pink spikes,

Xcode's Leaking Instrument

and I'm not sure what was causing it, I thought that the managedObject Context was the culprit. I noticed tons of _NSZombie_ prefix listed and I remember that I added the NSZombieEnabled tag under the Argument in "Executable App Info",

Xcode NSZombieEnabled

I added NSZombieEnabled environment variable because it can be helpful to track down the elusive object causing the problem, mostly tracing the EXC_BAD_ACCESS error message. So after I disabled it, the app I am working on had no leak after all.

Xcode's No Leak Instrument