Hi all,
we just tried one of our apps - doing fine on earlier versions of MacOSX - on
Yosemite. When clicking on a tab of a NSTabView we get the following on the
console and the app stops working (exception not caught):
29/11/14 21:21:23,496 SOSmartBrowser[731]: Cannot remove an observer
<GSScrollView 0x7d706e60> for the key path "contentLayoutRect" from <GSWindow
0x7d71cf50> because it is not registered as an observer.
29/11/14 21:21:23,499 SOSmartBrowser[731]: (
0 CoreFoundation 0x9256c343 __raiseError + 195
1 libobjc.A.dylib 0x98481a2a objc_exception_throw
+ 276
2 CoreFoundation 0x9256c25d +[NSException
raise:format:] + 141
3 Foundation 0x99f65b18
-[NSObject(NSKeyValueObserverRegistration) _removeObserver:forProperty:] + 739
4 Foundation 0x99f65787
-[NSObject(NSKeyValueObserverRegistration) removeObserver:forKeyPath:] + 189
5 Foundation 0x99f76919
-[NSObject(NSKeyValueObserverRegistration) removeObserver:forKeyPath:context:]
+ 389
6 AppKit 0x9039c0af -[NSScrollView
_setWindow:] + 429
7 AppKit 0x9037fe1e __21-[NSView
_setWindow:]_block_invoke_2 + 52
8 CoreFoundation 0x9247bc3b __53-[__NSArrayM
enumerateObjectsWithOptions:usingBlock:]_block_invoke + 107
9 CoreFoundation 0x9247b27a -[__NSArrayM
enumerateObjectsWithOptions:usingBlock:] + 282
10 CoreFoundation 0x9247b0d5 -[NSArray
enumerateObjectsUsingBlock:] + 53
11 AppKit 0x90afdca4 __21-[NSView
_setWindow:]_block_invoke746 + 158
12 AppKit 0x9035afd5
-[NSView(NSConstraintBasedLayout) _withAutomaticEngineOptimizationDisabled:] +
111
13 AppKit 0x9035c91d -[NSView
_setWindow:] + 2978
14 AppKit 0x90359e6f -[NSView
addSubview:] + 453
15 AppKit 0x90359bb7 -[NSView
replaceSubview:with:] + 152
16 AppKit 0x90621a4d -[NSTabView
_switchTabViewItem:oldView:withTabViewItem:newView:initialFirstResponder:lastKeyView:]
+ 992
17 AppKit 0x906212d7 -[NSTabView
selectTabViewItem:] + 568
18 AppKit 0x90a072ce -[NSTabView
mouseDown:] + 166
19 AppKit 0x90b24c24 -[NSWindow
_reallySendEvent:] + 12353
20 AppKit 0x9050dfb9 -[NSWindow
sendEvent:] + 409
21 AppKit 0x904bba27 -[NSApplication
sendEvent:] + 4679
22 AppKit 0x90335e0c -[NSApplication run]
+ 1003
23 AppKit 0x9031f310 NSApplicationMain +
2082
24 libdyld.dylib 0x98c466d9 start + 1
25 ??? 0x00000002 0x0 + 2
)
I am rather clueless since the exception is raised in Apples code!? What in our
GSScrollView (NSScrollView) and GSWindow (NSWindow) subclasses could cause this
problem on Yosemite? Or is this a known MacOSX Yosemite bug? Anyone encountered
the same problem?
Thanks a lot,
Andreas
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