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Re: IB 3.0 plugin & error "NSMapRemove(): attempt to remove notAKeyMarker" when saving NIB

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Re: IB 3.0 plugin & error "NSMapRemove(): attempt to remove notAKeyMarker" when saving NIB

Subject: Re: IB 3.0 plugin & error "NSMapRemove(): attempt to remove notAKeyMarker" when saving NIB
From: Jens Miltner <email@hidden>
Date: Wed, 6 Feb 2008 10:46:19 +0100


Am 22.11.2007 um 11:27 schrieb Jonathan Hess:

Hey Jens -
I would guess that that is where an exception is being re-raised. Do you have a break point on just -[NSException raise]? Or do you have a break point on objc_exception_throw? objc_exception_throw is the obj-c exception throwing funnel on Leopard.

If you're able to get a backtrace from the real exception source, perhaps I can give you better information about the cause of the exception.

Sorry for the delay - somehow your message got burried inside the depths of my INBOX :(

Anyway, here's the backtrace from the first break at objc_exception_throw:

#0 0x93d63077 in objc_exception_throw () #1 0x9137904b in +[NSException raise:format:arguments:] () #2 0x9137908a in +[NSException raise:format:] () #3 0x91ed0fae in -[NSClassicMapTable removeObjectForKey:] () #4 0x91ed0f02 in NSMapRemove () #5 0x019e501c in IBCountConnectionsForObject () #6 0x019e521c in IBCountConnectionsForObject () #7 0x019e5512 in IBCountConnectionsForObject () #8 0x019e58da in IBCountConnectionsForObject () #9 0x019e703f in IBCountConnectionsForObject () #10 0x019c794d in dyld_stub_objc_msgSend_stret () #11 0x019c8182 in dyld_stub_objc_msgSend_stret () #12 0x931bb304 in -[NSDocument writeToURL:ofType:error:] () #13 0x931bb125 in -[NSDocument writeToURL:ofType:forSaveOperation:originalContentsURL:error:] () #14 0x0029cf3b in -[IBDocument writeToURL:ofType:forSaveOperation:originalContentsURL:error:] () #15 0x931ba635 in -[NSDocument _writeSafelyToURL:ofType:forSaveOperation:error:] () #16 0x931ba4f8 in -[NSDocument writeSafelyToURL:ofType:forSaveOperation:error:] () #17 0x931b9f87 in -[NSDocument saveToURL:ofType:forSaveOperation:error:] () #18 0x931b9c10 in -[NSDocument _saveToURL:ofType:forSaveOperation:delegate:didSaveSelector:contextInfo :] () #19 0x931b9bc1 in -[NSDocument saveToURL:ofType:forSaveOperation:delegate:didSaveSelector:contextInfo :] () #20 0x0029cd31 in -[IBDocument saveToURL:ofType:forSaveOperation:delegate:didSaveSelector:contextInfo :] () #21 0x931b97f6 in -[NSDocument _savePanelWasPresented:withResult:inContext:] () #22 0x931b950a in -[NSSavePanel(NSSavePanelRuntime) _didEndSheet:returnCode:contextInfo:] () #23 0x92fc1b8c in -[NSApplication endSheet:returnCode:] () #24 0x9310bb39 in -[NSSavePanel(NSSavePanelRuntime) dismissWindow:] () #25 0x9310b9f5 in -[NSSavePanel(NSSavePanelRuntime) ok:] () #26 0x92f7ff94 in -[NSApplication sendAction:to:from:] () #27 0x92f7fed4 in -[NSControl sendAction:to:] () #28 0x92f7fd5a in -[NSCell _sendActionFrom:] () #29 0x93059cc3 in -[NSButtonCell performClick:] () #30 0x9302d1a9 in -[NSButton performKeyEquivalent:] () #31 0x9302d018 in -[NSControl _performKeyEquivalent:conditionally:] () #32 0x9302cee4 in -[NSView performKeyEquivalent:] () #33 0x9302cee4 in -[NSView performKeyEquivalent:] () #34 0x9302cee4 in -[NSView performKeyEquivalent:] () #35 0x9302cc4e in -[NSWindow performKeyEquivalent:] () #36 0x931b1968 in -[NSSavePanel performKeyEquivalent:] () #37 0x9301ceeb in -[NSTextField textDidEndEditing:] () #38 0x91eb067a in _nsnote_callback () #39 0x912e0a4a in __CFXNotificationPost () #40 0x912e0d23 in _CFXNotificationPostNotification () #41 0x91eada70 in -[NSNotificationCenter postNotificationName:object:userInfo:] () #42 0x9301c002 in -[NSTextView(NSPrivate) _giveUpFirstResponder:] () #43 0x9301bdcd in -[NSTextView(NSKeyBindingCommands) insertNewline:] () #44 0x9301bb6f in -[NSResponder doCommandBySelector:] () #45 0x9301b9f8 in -[NSTextView doCommandBySelector:] () #46 0x9300eb55 in - [NSKeyBindingManager(NSKeyBindingManager_MultiClients) interpretEventAsCommand:forClient:] () #47 0x9300d762 in -[NSTSMInputContext interpretKeyEvents:] () #48 0x9300d27c in -[NSView interpretKeyEvents:] () #49 0x931f3328 in -[_NSSavePanelTextView keyDown:] () #50 0x92f7d8e2 in -[NSWindow sendEvent:] () #51 0x92f49a2c in -[NSApplication sendEvent:] () #52 0x00004667 in ?? () #53 0x92ea7705 in -[NSApplication run] () #54 0x92e749ba in NSApplicationMain () #55 0x00006cae in ?? ()

Does this ring any bells? It seems to point to the connections being somehow 'invalid', but I have no idea why. I can reproduce this with two different IB plugins for different custom view/control classes I have written. In both cases, I just followed the documentation for creating new IB plugins, but apparently, something in those classes seems to be not 100% compatible with IB 3.0? It even happens when I just create a new window NIB, drag my custom control into the window and try to save as NIB 2.0.

If it's not something in my code, I'll happily file a bug report, but I would like to make sure it's not something in my code that causes this problem first...

-jens

Jon Hess
On Nov 20, 2007, at 3:33 AM, Jens Miltner wrote:
Hi,
I have created an IB 3.0 plugin that handles 3 of our custom classes. For one of them, whenever I try to save a NIB in 2.x format, saving fails with the following error written to the console:

2007-11-20 12:17:55.955 Interface Builder[65811:10b] *** NSMapRemove(): attempt to remove notAKeyMarker

For the other two custom classes, saving works just fine. All of the custom classes have an inspector palette, and I can't see anything I'd be doing wrong. In fact, for the class that fails to save to 2.x format, I can save it to both 3.x NIB and XIB format, but just not to 2.x NIB format (which is unfortunate, since we need to share this with Tiger developers :( ) Also, when saving fails, my -[MyClass encodeWithCoder:] method is not even called, the error appears to happen earlier. The backtrace at the time the exception is raised is also not very helpful to me - I have no idea which operation would trigger the exception:

#0 0x917ecd86 in -[NSException raise] () #1 0x9441a5ab in -[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:] () #2 0x9441a1f2 in -[NSMenu performKeyEquivalent:] () #3 0x94418a99 in -[NSApplication _handleKeyEquivalent:] () #4 0x94335e4e in -[NSApplication sendEvent:] () #5 0x00004667 in ?? () #6 0x94293705 in -[NSApplication run] () #7 0x942609ba in NSApplicationMain () #8 0x00006cae in ?? ()

My code just doesn't seem to be involved with the save operation itself, however, saving _only_ fails if an instance of this specific custom view class is contained in the NIB... I already tried removing all bindings from my inspector palette, in case this causes the problem, but to no avail...

Since I have no further ideas what to look for - did anybody else experience a similar problem and if so, what was the solution? Any hints desperately welcome...
Thanks,
</jum>
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Re: IB 3.0 plugin & error "NSMapRemove(): attempt to	remove	notAKeyMarker" when saving NIB
From: Jonathan Hess <email@hidden>


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