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Asked: 2026-06-18T15:53:35+00:00

I have an allocated object where its attributes are store in the following memory

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I have an allocated object where its attributes are store in the following memory places:
Memory status

When I make a simple attribution of the NSDate attribute to a variable it gives me an EXEC_BAD_ACESS.
As you can see from the first image only the date attribute and the fileDate variable have different addresses.

EXEC_BAD_ACESS

Am I making some pointer related error?
The other 2 attributes are assigned correctly to the variables, it only happens with the NSDate so maybe I’m missing some detail about NSDate.

EDIT1

DownloadFile definition:
DownloadFile

EDIT2

init function:
enter image description here

EDIT3
date parameter:

date

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1 Answer

  1. Editorial Team

    Is there any reason why you are not using ARC? There are quite a few memory management errors there causing leaks and one that should cause your crash.

    NSDate *dateFromString = [dateFormatter dateFromString:receivedDate];

    returns an autoreleased NSDate so when you then call the additional 

    [dateFromString autorelease];

    you are overreleasing the NSDate hence your crash.

    [pFile setDate:[[NSDate alloc] init]];

    is a memory leak. Going through the setter setDate: will cause pFile to take a +1 retain on the date, which it should release in it’s dealloc. The [[NSDate alloc] init] call returns a date object with +1 but is then never released elsewhere.

    You can fix this either with

    [NSDate date]

    Or

    [[[NSDate alloc] init] autorelease];

    The first option is preferred

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