Created
October 9, 2013 08:52
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I could use a little hint where to start debugging a crash, which seems particular hard to track down. So far the bug only happened in the wild. Any suggestions how to start fixing this would be appreciated
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| - (BOOL)outlineView:(NSOutlineView *)outlineView isGroupItem:(id)inItem | |
| { | |
| return [inItem isKindOfClass:[NSDictionary class]];<<app crashing on this line | |
| } | |
| Crash Report: | |
| Incident Identifier: B905C1A8-0B07-4084-9B5B-1993F5BEE0EA | |
| CrashReporter Key: [TODO] | |
| Hardware Model: MacBookAir5,2 | |
| Process: GarageBuy [5104] | |
| Path: /Applications/GarageBuy.app/Contents/MacOS/GarageBuy | |
| Identifier: com.iwascoding.garagebuy2 | |
| Version: 325 | |
| Code Type: X86-64 | |
| Parent Process: launchd [137] | |
| Date/Time: 2013-05-17 14:32:37 +0000 | |
| OS Version: Mac OS X 10.8.3 (12D78) | |
| Report Version: 104 | |
| Exception Type: SIGSEGV | |
| Exception Codes: SEGV_NOOP at 0x0 | |
| Crashed Thread: 0 | |
| Thread 0 Crashed: | |
| 0 libobjc.A.dylib 0x7fff8e2bf4d8 _objc_msgSend_vtable4 + 24 | |
| 1 GarageBuy 0x10a2d82f5 -[GBSourceListController outlineView:isGroupItem:] (GBSourceListController.m:221) | |
| 2 AppKit 0x7fff8a67bd37 -[NSOutlineView _delegate_isGroupRow:] + 66 | |
| 3 AppKit 0x7fff8a5fb7c8 -[NSTableView _isGroupRow:] + 81 | |
| 4 AppKit 0x7fff8a5f6efd -[NSTableView _isSourceListGroupRow:] + 56 | |
| 5 AppKit 0x7fff8a5f6838 -[NSTableView rectOfRow:] + 288 | |
| 6 AppKit 0x7fff8a610d8e -[NSTableView(NSTableViewViewBased) makeRowViewForRow:] + 197 | |
| 7 AppKit 0x7fff8a610bb1 -[NSTableRowData _addRowViewForVisibleRow:withPriorView:] + 331 | |
| 8 AppKit 0x7fff8a61098a -[NSTableRowData _addRowViewForVisibleRow:withPriorRowIndex:inDictionary:withRowAnimation:] + 272 | |
| 9 AppKit 0x7fff8a60ffca -[NSTableRowData _unsafeUpdateVisibleRowEntries] + 1621 | |
| 10 AppKit 0x7fff8a60f7f1 -[NSTableRowData updateVisibleRowViews] + 119 | |
| 11 AppKit 0x7fff8a5e787b -[NSTableView viewWillDraw] + 165 | |
| 12 AppKit 0x7fff8a5e77bc -[NSOutlineView viewWillDraw] + 172 | |
| 13 AppKit 0x7fff8a4c51ed ___22-[NSView viewWillDraw]_block_invoke_0 + 307 | |
| 14 CoreFoundation 0x7fff8e4b74a6 ___NSArrayEnumerate + 582 | |
| 15 AppKit 0x7fff8a4c4f2d -[NSView viewWillDraw] + 244 | |
| 16 AppKit 0x7fff8a4c51ed ___22-[NSView viewWillDraw]_block_invoke_0 + 307 | |
| 17 CoreFoundation 0x7fff8e4b74a6 ___NSArrayEnumerate + 582 | |
| 18 AppKit 0x7fff8a4c4f2d -[NSView viewWillDraw] + 244 | |
| 19 AppKit 0x7fff8a54faa5 -[NSScrollView viewWillDraw] + 45 | |
| 20 AppKit 0x7fff8a4c51ed ___22-[NSView viewWillDraw]_block_invoke_0 + 307 | |
| 21 CoreFoundation 0x7fff8e4b74a6 ___NSArrayEnumerate + 582 | |
| 22 AppKit 0x7fff8a4c4f2d -[NSView viewWillDraw] + 244 | |
| 23 AppKit 0x7fff8a4c51ed ___22-[NSView viewWillDraw]_block_invoke_0 + 307 | |
| 24 CoreFoundation 0x7fff8e4b74a6 ___NSArrayEnumerate + 582 | |
| 25 AppKit 0x7fff8a4c4f2d -[NSView viewWillDraw] + 244 | |
| 26 AppKit 0x7fff8a681325 -[NSSplitView viewWillDraw] + 129 | |
| 27 AppKit 0x7fff8a4c51ed ___22-[NSView viewWillDraw]_block_invoke_0 + 307 | |
| 28 CoreFoundation 0x7fff8e4b74a6 ___NSArrayEnumerate + 582 | |
| 29 AppKit 0x7fff8a4c4f2d -[NSView viewWillDraw] + 244 | |
| 30 AppKit 0x7fff8a4c51ed ___22-[NSView viewWillDraw]_block_invoke_0 + 307 | |
| 31 CoreFoundation 0x7fff8e4b74a6 ___NSArrayEnumerate + 582 | |
| 32 AppKit 0x7fff8a4c4f2d -[NSView viewWillDraw] + 244 | |
| 33 AppKit 0x7fff8a4c4584 -[NSView _sendViewWillDrawInRect:clipRootView:] + 1525 | |
| 34 AppKit 0x7fff8a4909b1 -[NSView displayIfNeeded] + 1044 | |
| 35 AppKit 0x7fff8a4901fc __handleWindowNeedsDisplayOrLayoutOrUpdateConstraints + 738 | |
| 36 AppKit 0x7fff8aa5b8f1 ___83-[NSWindow _postWindowNeedsDisplayOrLayoutOrUpdateConstraintsUnlessPostingDisabled]_block_invoke_01208 + 46 | |
| 37 CoreFoundation 0x7fff8e485417 ___CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23 | |
| 38 CoreFoundation 0x7fff8e485381 ___CFRunLoopDoObservers + 369 | |
| 39 CoreFoundation 0x7fff8e4607b8 ___CFRunLoopRun + 728 | |
| 40 CoreFoundation 0x7fff8e4600e2 _CFRunLoopRunSpecific + 290 | |
| 41 HIToolbox 0x7fff85bb2eb4 _RunCurrentEventLoopInMode + 209 | |
| 42 HIToolbox 0x7fff85bb2b94 _ReceiveNextEventCommon + 166 | |
| 43 HIToolbox 0x7fff85bb2ae3 _BlockUntilNextEventMatchingListInMode + 62 | |
| 44 AppKit 0x7fff8a48d563 __DPSNextEvent + 685 | |
| 45 AppKit 0x7fff8a48ce22 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128 | |
| 46 AppKit 0x7fff8a4841d3 -[NSApplication run] + 517 | |
| 47 AppKit 0x7fff8a428c06 _NSApplicationMain + 869 | |
| 48 GarageBuy 0x10a1f12c4 start + 52 |
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I'd wager a guess:
inItemis a dangling pointer. Maybe try to debug with NSZombies activated?