Re: How to parse a log file
Re: How to parse a log file
- Subject: Re: How to parse a log file
- From: "Gary L. Wade via Cocoa-dev" <email@hidden>
- Date: Mon, 26 Oct 2020 15:14:08 -0700
Line 7 appears to show your app allocating an array with one of its objects
being nil.
--
Gary L. Wade
http://www.garywade.com/
> On Oct 26, 2020, at 3:02 PM, Gabriel Zachmann via Cocoa-dev
> <email@hidden> wrote:
>
> From a user, I received a log file that contains an error (see below)
> and a stack trace of my macOS app.
>
> Is it possible to determine the exact line in the source code where the error
> occurred?
>
> Best regards, Gabriel
>
>
> Encl:
> excerpt from log.
> "ArtSaverApp" is my macOS app.
>
>
> 2020-10-23 10:47:30.410560-0400 0x2318d Error 0x0
> 6750 0 ArtSaverApp: (AppKit) [com.apple.AppKit:General] ***
> -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object
> from objects[0]
> 2020-10-23 10:47:30.433412-0400 0x2318d Error 0x0
> 6750 0 ArtSaverApp: (AppKit) [com.apple.AppKit:General] (
> 0 CoreFoundation 0x00007fff2d796b57
> __exceptionPreprocess + 250
> 1 libobjc.A.dylib 0x00007fff664475bf
> objc_exception_throw + 48
> 2 CoreFoundation 0x00007fff2d84559e -[__NSCFString
> characterAtIndex:].cold.1 + 0
> 3 CoreFoundation 0x00007fff2d8438c4
> -[__NSPlaceholderArray initWithCapacity:].cold.1 + 0
> 4 CoreFoundation 0x00007fff2d69a8ae
> -[__NSPlaceholderArray initWithObjects:count:] + 154
> 5 CoreFoundation 0x00007fff2d6fff7e __createArray +
> 47
> 6 CoreFoundation 0x00007fff2d6fff41 +[NSArray
> arrayWithObject:] + 25
> 7 ArtSaverApp 0x0000000109f12466 ArtSaverApp +
> 46182
> 8 ArtSaverApp 0x0000000109f1598d ArtSaverApp +
> 59789
> 9 AppKit 0x00007fff2abcd7a7
> -[NSApplication(NSResponder) sendAction:to:from:] + 299
> 10 AppKit 0x00007fff2abcd642 -[NSControl
> sendAction:to:] + 86
> 11 AppKit 0x00007fff2abcd574 __26-[NSCell
> _sendActionFrom:]_block_invoke + 136
> 12 AppKit 0x00007fff2abcd476 -[NSCell
> _sendActionFrom:] + 171
> 13 AppKit 0x00007fff2abcd3bd -[NSButtonCell
> _sendActionFrom:] + 96
> 14 AppKit 0x00007fff2abc969b
> NSControlTrackMouse + 1745
> 15 AppKit 0x00007fff2abc8fa2 -[NSCell
> trackMouse:inRect:ofView:untilMouseUp:] + 130
> 16 AppKit 0x00007fff2abc8e61 -[NSButtonCell
> trackMouse:inRect:ofView:untilMouseUp:] + 691
> 17 AppKit 0x00007fff2abc81dd -[NSControl
> mouseDown:] + 748
> 18 AppKit 0x00007fff2abc65f0
> -[NSWindow(NSEventRouting) _handleMouseDownEvent:isDelayedEvent:] + 4914
> 19 AppKit 0x00007fff2ab30e21
> -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 2612
> 20 AppKit 0x00007fff2ab301c9
> -[NSWindow(NSEventRouting) sendEvent:] + 349
> 21 AppKit 0x00007fff2ab2e554
> -[NSApplication(NSEvent) sendEvent:] + 352
> 22 AppKit 0x00007fff2a97b5bf -[NSApplication
> run] + 707
> 23 AppKit 0x00007fff2a94d396
> NSApplicationMain + 777
> 24 libdyld.dylib 0x00007fff675efcc9 start + 1
> )
>
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