Re: How do decipher an exception in the log file
Re: How do decipher an exception in the log file
- Subject: Re: How do decipher an exception in the log file
- From: Saagar Jha via Cocoa-dev <email@hidden>
- Date: Thu, 20 Jul 2023 01:12:05 -0700
Console should have it. That crash log will have the base address in it that
you can use to symbolicate things.
Saagar Jha
> On Jul 18, 2023, at 16:01, Gabriel Zachmann via Cocoa-dev
> <email@hidden> wrote:
>
>
>> That number is 0x7FFFFFFFFFFFFFFF, which is particularly recognizable and
>> happens to be the value of NSNotFound.
>>
>> I imagine that in the preceding line of code you called -indexOfObject: on
>> an array that didn't contain the object, but then failed to test the value
>> against NSNotFound before trying to fetch from that index.
>>
>
> Thanks a million!
> Very interesting observation.
> The fact that
> 9223372036854775807 = 0x7FFFFFFFFFFFFFFF
> escaped me.
> And, indeed, I do have a few indexOfObject's in my code, and luckily not that
> many.
>
>
>>> More precisely, is there a way I can determine the location in the code
>>> where the exception occurred?
>>
>> Do you have symbols for the particular build of the app that crashed? If so,
>> there ought to be some way to symbolicate the list of addresses in the
>> "Stack trace:" line of the log messages... although maybe not, without
>> knowing the base load address of the executable.
>
> Problem is that its a screensaver (i.e., a .saver file).
> I guess the base adress is always different, at least I have no idea what the
> base address might be.
>
>> A full-on crash report, rather than log messages, would be a lot more useful.
>
> Where would i find that crash report, given its a screensaver?
> Just in case something like that happens again ...
>
>
> Best regards, Gabriel
>
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