Thanks Ken, I don't quite understand your response though. What do you mean by "unexceptional exceptions"? How should I handle those exceptions, and why should I, if I don't make any calls to accessibility frameworks at all?
The report I have included in the first post is all I have so far. On Tue, Feb 2, 2010 at 8:51 PM, Ken Ferry <kenfe...@gmail.com> wrote: > 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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