OS X 10.11.5, Xcode Version 7.3.1 (7D1014).
App with TableView (View based). Works fine.
But when I give the TableView a delegate (even without implementing any
NSTableViewDelegate methods) it crashes (see below).
How to debug this?
Tried a symbolic breakpoint in -[__NSArrayM objectAtIndex:] - but it crashes
before reaching breakpoint.
2016-06-12 15:26:36.172 Echo App[24004:2898793] *** -[__NSArrayM
objectAtIndex:]: index 0 beyond bounds for empty array
2016-06-12 15:26:36.175 Echo App[24004:2898793] (
0 CoreFoundation 0x00007fff8a3904f2
__exceptionPreprocess + 178
1 libobjc.A.dylib 0x00007fff880d873c
objc_exception_throw + 48
2 CoreFoundation 0x00007fff8a2a77c5 -[__NSArrayM
objectAtIndex:] + 245
3 AppKit 0x00007fff9a3dad31
-[NSTableRowData _addViewToRowView:atColumn:row:] + 535
4 AppKit 0x00007fff9a3da98e
-[NSTableRowData _addViewsToRowView:atRow:] + 184
5 AppKit 0x00007fff9a3d91a7
-[NSTableRowData _initializeRowView:atRow:] + 390
6 AppKit 0x00007fff9a3d7907
-[NSTableRowData _addRowViewForVisibleRow:withPriorView:] + 416
7 AppKit 0x00007fff9a3d769b
-[NSTableRowData
_addRowViewForVisibleRow:withPriorRowIndex:inDictionary:withRowAnimation:] + 299
8 AppKit 0x00007fff9a3d6461
-[NSTableRowData _unsafeUpdateVisibleRowEntries] + 1697
9 AppKit 0x00007fff9a3d5d22
-[NSTableRowData updateVisibleRowViews] + 233
10 AppKit 0x00007fff9a3d569b
-[NSTableView layout] + 178
11 AppKit 0x00007fff9a3743e7 -[NSView
_doLayout] + 53
12 AppKit 0x00007fff9a37409f -[NSView
_layoutSubtreeWithOldSize:] + 324
13 AppKit 0x00007fff9a3742fb -[NSView
_layoutSubtreeWithOldSize:] + 928
14 AppKit 0x00007fff9a3742fb -[NSView
_layoutSubtreeWithOldSize:] + 928
15 AppKit 0x00007fff9a3742fb -[NSView
_layoutSubtreeWithOldSize:] + 928
16 AppKit 0x00007fff9a3742fb -[NSView
_layoutSubtreeWithOldSize:] + 928
17 AppKit 0x00007fff9a3735d8 -[NSView
layoutSubtreeIfNeeded] + 950
18 AppKit 0x00007fff9a392f21
-[NSWindow(NSConstraintBasedLayout) _layoutViewTree] + 82
19 AppKit 0x00007fff9a4054ff
-[NSWindow(NSConstraintBasedLayout) layoutIfNeeded] + 244
20 AppKit 0x00007fff9aa9c155
___NSWindowGetDisplayCycleObserver_block_invoke6358 + 218
21 AppKit 0x00007fff9a4174f8
__37+[NSDisplayCycle currentDisplayCycle]_block_invoke + 719
22 QuartzCore 0x00007fff8f413f71
_ZN2CA11Transaction19run_commit_handlersE18CATransactionPhase + 85
23 QuartzCore 0x00007fff8f41342c
_ZN2CA7Context18commit_transactionEPNS_11TransactionE + 160
24 QuartzCore 0x00007fff8f4130ec
_ZN2CA11Transaction6commitEv + 508
25 QuartzCore 0x00007fff8f41e977
_ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 71
26 CoreFoundation 0x00007fff8a325067
__CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
27 CoreFoundation 0x00007fff8a324fd7
__CFRunLoopDoObservers + 391
28 CoreFoundation 0x00007fff8a303ef8
CFRunLoopRunSpecific + 328
29 HIToolbox 0x00007fff97834935
RunCurrentEventLoopInMode + 235
30 HIToolbox 0x00007fff97834677
ReceiveNextEventCommon + 184
31 HIToolbox 0x00007fff978345af
_BlockUntilNextEventMatchingListInModeWithFilter + 71
32 AppKit 0x00007fff9a2bfdf6
_DPSNextEvent + 1067
33 AppKit 0x00007fff9a2bf226
-[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
34 AppKit 0x00007fff9a2b3d80
-[NSApplication run] + 682
35 AppKit 0x00007fff9a27d368
NSApplicationMain + 1176
36 Echo App 0x0000000100003202 main + 34
37 libdyld.dylib 0x00007fff887695ad start + 1
)
2016-06-12 15:26:36.314 Echo App[24004:2898793] -[NSApplication
runModalForWindow:] may not be invoked inside of transaction commit (usually
this means it was invoked inside of a view's -drawRect: method.) The modal
dialog has been suppressed to avoid deadlock. (
0 AppKit 0x00007fff9a52c3b4
-[NSApplication runModalForWindow:] + 219
1 AppKit 0x00007fff9a71376e
-[NSApplication _showException:] + 689
2 AppKit 0x00007fff9a2b3e96
-[NSApplication run] + 960
3 AppKit 0x00007fff9a27d368
NSApplicationMain + 1176
4 Echo App 0x0000000100003202 main + 34
5 libdyld.dylib 0x00007fff887695ad start + 1
)
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