[Lazarus] Catch ObjC Exception in TTrayIcon?
Tobias Giesen
tobias_subscriber at tgtools.com
Tue Mar 8 12:30:37 CET 2011
Hello,
on one of my customer's machines, the line
TrayIcon1.Visible:=true;
terminates the program, apparently with an ObjC exception inside MacOS.
I wonder if this exception can be caught and handled, or what could be
the cause? It works fine on all my machines.
Cheers,
Tobias
--------------------------------------
Process: BackgroundScheduler [872]
Path: /Users/TicoTeco/Desktop/SuperFlexibleSynchronizer.app/Contents/Resources/BackgroundScheduler.app/Contents/MacOS/BackgroundScheduler
Identifier: com.company.BackgroundScheduler
Version: 0.1 (1)
Code Type: X86 (Native)
Parent Process: launchd [808]
Date/Time: 2011-03-08 11:40:30.471 +0100
OS Version: Mac OS X 10.6.6 (10J567)
Report Version: 6
Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Application Specific Information:
*** Terminating app due to uncaught exception 'NSImageCacheException', reason: 'Cannot lock focus on image <NSImage 0x2431190 Size={0, 0} Reps=(
)>, because it is size zero.'
*** Call stack at first throw:
(
0 CoreFoundation 0x999616ba __raiseError + 410
1 libobjc.A.dylib 0x97093509 objc_exception_throw + 56
2 CoreFoundation 0x999613e8 +[NSException raise:format:arguments:] + 136
3 CoreFoundation 0x9996135a +[NSException raise:format:] + 58
4 AppKit 0x95a497d2 -[NSImage _lockFocusOnRepresentation:rect:context:hints:flipped:] + 267
5 AppKit 0x95a496bb __-[NSImage lockFocusWithRect:context:hints:flipped:]_block_invoke_1 + 114
6 AppKit 0x95939a44 -[NSImage _usingBestRepresentationForRect:context:hints:body:] + 189
7 AppKit 0x95a49641 -[NSImage lockFocusWithRect:context:hints:flipped:] + 204
8 AppKit 0x95aa082c -[NSImage lockFocusFlipped:] + 138
9 AppKit 0x95aa0799 -[NSImage lockFocus] + 64
10 AppKit 0x95af6cc0 -[NSWindow _generateScaledBackground] + 318
11 AppKit 0x95af6a07 -[NSWindow(NSWindow_CarbonEventHandlers) _setWindowDepth] + 126
12 AppKit 0x95f89d55 -[NSWindow(NSWindow_CarbonEventHandlers) _installCarbonWindowEventHandlers] + 121
13 AppKit 0x95af6538 -[NSWindow(NSCarbonExtensions) windowRef] + 561
14 AppKit 0x95e543e8 -[NSStatusBarWindow windowRef] + 80
15 AppKit 0x958f87f6 -[NSWindow _reallyDoOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 1112
16 AppKit 0x95f4ae0d -[NSWindow orderFrontRegardless] + 82
17 AppKit 0x95e540a9 -[NSStatusBar(NSStatusBarCGS) _CGSinsertWindow:withPriority:] + 355
18 AppKit 0x95e51cd3 -[NSStatusBar _insertStatusItem:withPriority:] + 80
19 AppKit 0x95e553de -[NSStatusItem _initInStatusBar:withLength:withPriority:hidden:] + 462
20 AppKit 0x95e54638 -[NSStatusItem _initInStatusBar:withLength:withPriority:] + 63
21 AppKit 0x95e546a7 +[NSStatusItem _itemInStatusBar:withLength:withPriority:] + 105
22 AppKit 0x95e51e09 -[NSStatusBar _statusItemWithLength:withPriority:] + 58
23 AppKit 0x95e51e89 -[NSStatusBar statusItemWithLength:] + 49
24 BackgroundScheduler 0x00362d7a APPKIT_NSSTATUSBAR_$__STATUSITEMWITHLENGTH$SINGLE$$POBJC_OBJECT + 74
25 BackgroundScheduler 0x003e1be4 CARBONWSEXTCTRLS_TCARBONWSCUSTOMTRAYICON_$__SHOW$TCUSTOMTRAYICON$$BOOLEAN + 164
26 BackgroundScheduler 0x0038784e EXTCTRLS_TCUSTOMTRAYICON_$__SHOW$$BOOLEAN + 62
27 BackgroundScheduler 0x0038789c EXTCTRLS_TCUSTOMTRAYICON_$__SETVISIBLE$BOOLEAN + 28
28 BackgroundScheduler 0x000ac836 SYNCMAIN_TFSYNCMAIN_$__FORMSHOW$TOBJECT + 406
29 BackgroundScheduler 0x00010dce PASCALMAIN + 334
30 BackgroundScheduler 0x0002e0b5 FPC_SYSTEMMAIN + 69
31 BackgroundScheduler 0x00010b92 _start + 216
32 BackgroundScheduler 0x00010ab9 start + 41
)
Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 com.apple.CoreFoundation 0x999aca37 ___TERMINATING_DUE_TO_UNCAUGHT_EXCEPTION___ + 7
1 libobjc.A.dylib 0x97093509 objc_exception_throw + 56
2 com.apple.CoreFoundation 0x999613e8 +[NSException raise:format:arguments:] + 136
3 com.apple.CoreFoundation 0x9996135a +[NSException raise:format:] + 58
4 com.apple.AppKit 0x95a497d2 -[NSImage _lockFocusOnRepresentation:rect:context:hints:flipped:] + 267
5 com.apple.AppKit 0x95a496bb __-[NSImage lockFocusWithRect:context:hints:flipped:]_block_invoke_1 + 114
6 com.apple.AppKit 0x95939a44 -[NSImage _usingBestRepresentationForRect:context:hints:body:] + 189
7 com.apple.AppKit 0x95a49641 -[NSImage lockFocusWithRect:context:hints:flipped:] + 204
8 com.apple.AppKit 0x95aa082c -[NSImage lockFocusFlipped:] + 138
9 com.apple.AppKit 0x95aa0799 -[NSImage lockFocus] + 64
10 com.apple.AppKit 0x95af6cc0 -[NSWindow _generateScaledBackground] + 318
11 com.apple.AppKit 0x95af6a07 -[NSWindow(NSWindow_CarbonEventHandlers) _setWindowDepth] + 126
12 com.apple.AppKit 0x95f89d55 -[NSWindow(NSWindow_CarbonEventHandlers) _installCarbonWindowEventHandlers] + 121
13 com.apple.AppKit 0x95af6538 -[NSWindow(NSCarbonExtensions) windowRef] + 561
14 com.apple.AppKit 0x95e543e8 -[NSStatusBarWindow windowRef] + 80
15 com.apple.AppKit 0x958f87f6 -[NSWindow _reallyDoOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 1112
16 com.apple.AppKit 0x95f4ae0d -[NSWindow orderFrontRegardless] + 82
17 com.apple.AppKit 0x95e540a9 -[NSStatusBar(NSStatusBarCGS) _CGSinsertWindow:withPriority:] + 355
18 com.apple.AppKit 0x95e51cd3 -[NSStatusBar _insertStatusItem:withPriority:] + 80
19 com.apple.AppKit 0x95e553de -[NSStatusItem _initInStatusBar:withLength:withPriority:hidden:] + 462
20 com.apple.AppKit 0x95e54638 -[NSStatusItem _initInStatusBar:withLength:withPriority:] + 63
21 com.apple.AppKit 0x95e546a7 +[NSStatusItem _itemInStatusBar:withLength:withPriority:] + 105
22 com.apple.AppKit 0x95e51e09 -[NSStatusBar _statusItemWithLength:withPriority:] + 58
23 com.apple.AppKit 0x95e51e89 -[NSStatusBar statusItemWithLength:] + 49
24 ...company.BackgroundScheduler 0x00362d7a APPKIT_NSSTATUSBAR_$__STATUSITEMWITHLENGTH$SINGLE$$POBJC_OBJECT + 74 (NSStatusBar.inc:79)
25 ...company.BackgroundScheduler 0x003e1be4 CARBONWSEXTCTRLS_TCARBONWSCUSTOMTRAYICON_$__SHOW$TCUSTOMTRAYICON$$BOOLEAN + 164 (carbontrayicon.inc:489)
26 ...company.BackgroundScheduler 0x0038784e EXTCTRLS_TCUSTOMTRAYICON_$__SHOW$$BOOLEAN + 62 (customtrayicon.inc:130)
27 ...company.BackgroundScheduler 0x0038789c EXTCTRLS_TCUSTOMTRAYICON_$__SETVISIBLE$BOOLEAN + 28 (customtrayicon.inc:146)
28 ...company.BackgroundScheduler 0x000ac836 SYNCMAIN_TFSYNCMAIN_$__FORMSHOW$TOBJECT + 406
29 ...company.BackgroundScheduler 0x00010dce PASCALMAIN + 334
30 ...company.BackgroundScheduler 0x0002e0b5 SYSTEM_FPC_SYSTEMMAIN$LONGINT$PPCHAR$PPCHAR + 69
31 ...company.BackgroundScheduler 0x00010b92 _start + 216 (wincontrol.inc:5321)
32 ...company.BackgroundScheduler 0x00010ab9 start + 41
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x94b24982 kevent + 10
1 libSystem.B.dylib 0x94b2509c _dispatch_mgr_invoke + 215
2 libSystem.B.dylib 0x94b24559 _dispatch_queue_invoke + 163
3 libSystem.B.dylib 0x94b242fe _dispatch_worker_thread2 + 240
4 libSystem.B.dylib 0x94b23d81 _pthread_wqthread + 390
5 libSystem.B.dylib 0x94b23bc6 start_wqthread + 30
Thread 0 crashed with X86 Thread State (32-bit):
eax: 0x00000000 ebx: 0x970934e5 ecx: 0xa067e540 edx: 0x0000003b
edi: 0xa0938af0 esi: 0x02435700 ebp: 0xbfffeec8 esp: 0xbfffeeb0
ss: 0x0000001f efl: 0x00000282 eip: 0x999aca37 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
cr2: 0x0283f1fe
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