Hi Oleg, Unfortunately, the accessibility mechanism uses unexceptional exceptions under the hood. These are a normal part of operation. They shouldn't be unhandled though… are you sure you're reporting what you think you are?
-Ken On Tue, Feb 2, 2010 at 6:41 PM, Oleg Krupnov <oleg.krup...@gmail.com> wrote: > Hi Corbin, > > Thanks for your quick response. You are right, I should have been more > specific. This is not a "crash" in precise meaning. This is an > unhandled exception raised by appkit's accessibility and caught by my > crash reporter facility that prints the stack trace and sends it to me > by e-mail. There is no real, severe crash like that one when you see > the Apple's crash report dialog. > > The question is -- why this exception is raised? I don't even mention > anything related to AX anywhere in my app. I must confess I have never > even read the accessibility section of the docs and don't know what it > is. > > >From the stack trace it appears that the exception occurs even before > any of my own code is entered, somewhere in system frameworks. > > And it happens only on selected Macs. > > Do you have any idea? > > Thanks. > > On Tue, Feb 2, 2010 at 8:34 PM, Corbin Dunn <corb...@apple.com> wrote: > > Oleg, > > > > I think you are misinterpreting an exception being raised as a crash of > your application. The bt's below are not crashes; they are exceptions being > raised (and caught) by appkit's accessibility. > > > > I understand that you have a problem with your app crashing -- do you > have some actual crash reports? If so, reply with those to the list and we > may be able to help you. > > > > -corbin > > > > On Feb 2, 2010, at 10:04 AM, Oleg Krupnov wrote: > > > >> Hi, > >> > >> After publishing an update of my app, I have received quite a few > >> crash dumps with very weird stack traces that I cannot understand and > >> fix. > >> > >> Namely, the exception message says that AXTitle, or AXWindow or > >> AXValue or AXDocument etc. is unsupported by NSWindow, NSOpenPanel, > >> NSApplication and others. Does it have something to do with > >> accessibility? In what way? > >> > >> If someone knows what's that supposed to mean, a quick response would > >> be very much appreciated. This is an emergency for me. > >> > >> Here's one of those logs (All those users are running Snow Leopard > 10.6.2): > >> > >> MESSAGE: > >> "AXTitle" attribute unsupported by: <NSOpenPanel: 0x5bb190> > >> > >> STACK TRACE: > >> #0 0x98b80d24 NSExceptionHandlerExceptionRaiser() > >> > (/System/Library/Frameworks/ExceptionHandling.framework/Versions/A/ExceptionHandling) > >> #1 0x94bc5509 objc_exception_throw() (/usr/lib/libobjc.A.dylib) > >> #2 0x97a91a21 +[NSException raise] > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #3 0x91d9a55c NSAccessibilityAttributeValue() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #4 0x91fb243f CopyAppKitUIElementAttributeValueNoCatch() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #5 0x91fb49d7 CopyAttributeValue() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #6 0x9476bad3 _AXXMIGCopyAttributeValue() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #7 0x94775b96 _XCopyAttributeValue() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #8 0x94747c39 mshMIGPerform() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #9 0x979b28db __CFRunLoopRun() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #10 0x979b0864 CFRunLoopRunSpecific() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #11 0x979b0691 CFRunLoopRunInMode() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #12 0x973c9f0c RunCurrentEventLoopInMode() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #13 0x973c9cc3 ReceiveNextEventCommon() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #14 0x973c9b48 BlockUntilNextEventMatchingListInMode() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #15 0x91d4eac5 _DPSNextEvent() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #16 0x91d4e306 -[NSApplication > >> nextEventMatchingMask:untilDate:inMode:dequeue:]() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #17 0x13a2754b +[NSApplication > >> nextEventMatchingMask:untilDate:inMode:dequeue:] > >> (/Library/PreferencePanes/Smart Scroll.prefPane/Contents/MacOS/Smart > >> Scroll.bundle/Contents/MacOS/Smart Scroll) > >> #18 0x91d1049f +[NSApplication run] > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #19 0x91d08535 NSApplicationMain() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #20 0x0022ca start() > (/Applications/DaisyDisk.app/Contents/MacOS/DaisyDisk) > >> #21 0x000002 ??() (??) > >> > >> Here is another: > >> > >> MESSAGE: > >> "AXValue" attribute unsupported by: <NSButtonCell: 0x5cd0d0> > >> > >> STACK TRACE: > >> #0 0x95d86d24 NSExceptionHandlerExceptionRaiser() > >> > (/System/Library/Frameworks/ExceptionHandling.framework/Versions/A/ExceptionHandling) > >> #1 0x9212d509 objc_exception_throw() (/usr/lib/libobjc.A.dylib) > >> #2 0x94dcba21 +[NSException raise] > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #3 0x938de55c NSAccessibilityAttributeValue() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #4 0x93af643f CopyAppKitUIElementAttributeValueNoCatch() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #5 0x93af89d7 CopyAttributeValue() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #6 0x90b34ad3 _AXXMIGCopyAttributeValue() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #7 0x90b3eb96 _XCopyAttributeValue() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #8 0x90b10c39 mshMIGPerform() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #9 0x94cec8db __CFRunLoopRun() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #10 0x94cea864 CFRunLoopRunSpecific() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #11 0x94cea691 CFRunLoopRunInMode() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #12 0x98525f0c RunCurrentEventLoopInMode() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #13 0x98525bff ReceiveNextEventCommon() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #14 0x98525b48 BlockUntilNextEventMatchingListInMode() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #15 0x93892ac5 _DPSNextEvent() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #16 0x93892306 +[NSApplication > >> nextEventMatchingMask:untilDate:inMode:dequeue:] > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #17 0x9385449f +[NSApplication run] > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #18 0x9384c535 NSApplicationMain() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #19 0x0022ca start() > (/Applications/DaisyDisk.app/Contents/MacOS/DaisyDisk) > >> #20 0x000002 ??() (??) > >> > >> Here's yet another: > >> > >> MESSAGE: > >> "AXValue" attribute unsupported by: <MainWindow: 0x227270> > >> > >> STACK TRACE: > >> #0 0x95d86d24 NSExceptionHandlerExceptionRaiser() > >> > (/System/Library/Frameworks/ExceptionHandling.framework/Versions/A/ExceptionHandling) > >> #1 0x9212d509 objc_exception_throw() (/usr/lib/libobjc.A.dylib) > >> #2 0x94dcba21 +[NSException raise] > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #3 0x938de55c NSAccessibilityAttributeValue() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #4 0x93af643f CopyAppKitUIElementAttributeValueNoCatch() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #5 0x93af89d7 CopyAttributeValue() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #6 0x90b34ad3 _AXXMIGCopyAttributeValue() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #7 0x90b3eb96 _XCopyAttributeValue() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #8 0x90b10c39 mshMIGPerform() > >> > (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices) > >> #9 0x94cec8db __CFRunLoopRun() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #10 0x94cea864 CFRunLoopRunSpecific() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #11 0x94cea691 CFRunLoopRunInMode() > >> > (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation) > >> #12 0x98525f0c RunCurrentEventLoopInMode() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #13 0x98525cc3 ReceiveNextEventCommon() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #14 0x98525b48 BlockUntilNextEventMatchingListInMode() > >> > (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox) > >> #15 0x93892ac5 _DPSNextEvent() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #16 0x93892306 +[NSApplication > >> nextEventMatchingMask:untilDate:inMode:dequeue:] > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #17 0x9385449f +[NSApplication run] > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #18 0x9384c535 NSApplicationMain() > >> (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit) > >> #19 0x0022ca start() > (/Applications/DaisyDisk.app/Contents/MacOS/DaisyDisk) > >> #20 0x000002 ??() (??) > >> > >> Thanks! > > > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/kenferry%40gmail.com > > This email sent to kenfe...@gmail.com > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. 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