I have an App which runs for a long time without problems.
But sometimes (after several days, never directly after start) it does no
longer hide. Clicking "Hide myApp" just does nothing.
One can still open and close windows, and everything works fine. But it
stubbornly refuses to hide.
Console.app shows me:
02/11/2010 09:18:20 EnTeP[149] HIToolbox: ignoring exception
'-[NSConcreteNotification invalidate]: unrecognized selector sent to instance
0x113b3b160' that raised inside Carbon event dispatch
(
0 CoreFoundation 0x00007fff86d8bcc4
__exceptionPreprocess + 180
1 libobjc.A.dylib 0x00007fff815970f3
objc_exception_throw + 45
2 CoreFoundation 0x00007fff86de5140
+[NSObject(NSObject) doesNotRecognizeSelector:] + 0
3 CoreFoundation 0x00007fff86d5dcdf
___forwarding___ + 751
4 CoreFoundation 0x00007fff86d59e28
_CF_forwarding_prep_0 + 232
5 EnTeP 0x00000001000149c6 0x0 +
4295051718
6 Foundation 0x00007fff8097884e
_nsnote_callback + 167
7 CoreFoundation 0x00007fff86d33a90
__CFXNotificationPost + 1008
8 CoreFoundation 0x00007fff86d20008
_CFXNotificationPostNotification + 200
9 Foundation 0x00007fff8096f7b8
-[NSNotificationCenter postNotificationName:object:userInfo:] + 101
10 AppKit 0x00007fff81c8f694
-[NSApplication _doUnhideWithoutActivation] + 1156
11 AppKit 0x00007fff81c8f199
_hideShowHandler + 123
12 HIToolbox 0x00007fff854cf997
_ZL23DispatchEventToHandlersP14EventTargetRecP14OpaqueEventRefP14HandlerCallRec
+ 1002
13 HIToolbox 0x00007fff854ceee6
_ZL30SendEventToEventTargetInternalP14OpaqueEventRefP20OpaqueEventTargetRefP14HandlerCallRec
+ 395
14 HIToolbox 0x00007fff854ecba9
SendEventToEventTarget + 45
15 AppKit 0x00007fff81c5f601
_DPSNextEvent + 1575
16 AppKit 0x00007fff81c5ebed
-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
17 AppKit 0x00007fff81c248d3
-[NSApplication run] + 395
18 AppKit 0x00007fff81c1d5f8
NSApplicationMain + 364
19 EnTeP 0x0000000100001c64 0x0 +
4294974564
20 ??? 0x0000000000000002 0x0 + 2
)
As I have never seen other apps to become unhidable, there is probably
something bad, which my app does, but what?
I am at a total loss, how to debug this.
Kind regards,
Gerriet.
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