This seems related to
http://code.google.com/p/pharo/issues/detail?id=889
which was only integrated in 1.1. I don't understand why we didn't put
this in 1.0 too.
Adrian
On Nov 22, 2009, at 17:02 , Lukas Renggli wrote:
> I clicked on 'safe and quit' in the latest Pharo 1.0rc1 image. Just
> before the window closed I saw a debugger popping up and now my image
> is broken. The VM crashes shortly after being able to interact with
> it. This is not the first time that happened to me.
>
> Below the stack trace of the debugger.
>
> Cheers,
> Lukas
>
> MessageNotUnderstood: receiver of "isEmpty" is nil
> 22 November 2009 1:24:56 pm
>
> VM: Mac OS - intel - 1062 - Squeak3.8.1 of '28 Aug 2006' [latest
> update: #6747] Squeak VM 4.1.1b2
> Image: Pharo1.0rc1 [Latest update: #10492]
>
> SecurityManager state:
> Restricted: false
> FileAccess: true
> SocketAccess: true
> Working Dir /Users/renggli/University/pharo/PetitParser
> Trusted Dir /foobar/tooBar/forSqueak/bogus
> Untrusted Dir /Users/renggli/Library/Preferences/Squeak/Internet/My
> Squeak
>
> UndefinedObject(Object)>>doesNotUnderstand: #isEmpty
> Receiver: nil
> Arguments and temporary variables:
> aMessage: isEmpty
> exception: MessageNotUnderstood: receiver of "isEmpty" is
> nil
> resumeValue: nil
> Receiver's instance variables:
> nil
>
> MouseOverHandler>>processMouseOver:
> Receiver: a MouseOverHandler
> Arguments and temporary variables:
> <<error during printing>
> Receiver's instance variables:
> mouseOverMorphs: an Array(a
> PluggableStandardWindow(1005) a
> PasteUpMorph(1622) ...etc...
> enteredMorphs: nil
> overMorphs: nil
> leftMorphs: nil
>
> HandMorph>>processEvents
> Receiver: a HandMorph(3216)
> Arguments and temporary variables:
> evt: nil
> evtBuf: nil
> type: nil
> hadAny: nil
> Receiver's instance variables:
> bounds: 1...@108 corner: 1...@124
> owner: a PasteUpMorph(1622) [world]
> submorphs: #()
> fullBounds: 1...@108 corner: 1...@124
> color: Color blue
> extension: a MorphExtension (539) [eventHandler = an
> EventHandler]
> mouseFocus: nil
> keyboardFocus: a PluggableButtonMorph(2190)
> eventListeners: nil
> mouseListeners: nil
> keyboardListeners: nil
> mouseClickState: nil
> mouseOverHandler: a MouseOverHandler
> lastMouseEvent: [...@108 mouseUp 2857590 nil]
> targetOffset: 2...@11
> damageRecorder: a DamageRecorder
> cacheCanvas: nil
> cachedCanvasHasHoles: true
> temporaryCursor: nil
> temporaryCursorOffset: nil
> hardwareCursor: nil
> hasChanged: true
> savedPatch: nil
> userInitials: ''
> lastEventBuffer: #(1 2857590 120 108 0 0 0 1)
> lastKeyScanCode: 35
> combinedChar: nil
>
> [] in WorldState>>doOneCycleNowFor:
> Receiver: a WorldState
> Arguments and temporary variables:
> h: a HandMorph(3216)
> Receiver's instance variables:
> hands: an Array(a HandMorph(3216))
> viewBox: 0...@0 corner: 1...@916
> canvas: a FormCanvas on: DisplayScreen(1314x916x32)
> damageRecorder: a DamageRecorder
> stepList: a Heap(StepMessage(#stepAt: -> a
> PreDebugWindow(1012))(a
> PreDebugWind...etc...
> lastStepTime: 2857650
> lastStepMessage: nil
> lastCycleTime: 2857677
> commandHistory: a CommandHistory
> alarms: a Heap()
> lastAlarmTime: 2857650
>
> Array(SequenceableCollection)>>do:
> Receiver: an Array(a HandMorph(3216))
> Arguments and temporary variables:
> aBlock: [closure] in WorldState>>doOneCycleNowFor:
> index: 1
> indexLimiT: 1
> Receiver's instance variables:
> an Array(a HandMorph(3216))
>
> WorldState>>handsDo:
> Receiver: a WorldState
> Arguments and temporary variables:
> aBlock: [closure] in WorldState>>doOneCycleNowFor:
> Receiver's instance variables:
> hands: an Array(a HandMorph(3216))
> viewBox: 0...@0 corner: 1...@916
> canvas: a FormCanvas on: DisplayScreen(1314x916x32)
> damageRecorder: a DamageRecorder
> stepList: a Heap(StepMessage(#stepAt: -> a
> PreDebugWindow(1012))(a
> PreDebugWind...etc...
> lastStepTime: 2857650
> lastStepMessage: nil
> lastCycleTime: 2857677
> commandHistory: a CommandHistory
> alarms: a Heap()
> lastAlarmTime: 2857650
>
> WorldState>>doOneCycleNowFor:
> Receiver: a WorldState
> Arguments and temporary variables:
> aWorld: a PasteUpMorph(1622) [world]
> Receiver's instance variables:
> hands: an Array(a HandMorph(3216))
> viewBox: 0...@0 corner: 1...@916
> canvas: a FormCanvas on: DisplayScreen(1314x916x32)
> damageRecorder: a DamageRecorder
> stepList: a Heap(StepMessage(#stepAt: -> a
> PreDebugWindow(1012))(a
> PreDebugWind...etc...
> lastStepTime: 2857650
> lastStepMessage: nil
> lastCycleTime: 2857677
> commandHistory: a CommandHistory
> alarms: a Heap()
> lastAlarmTime: 2857650
>
> WorldState>>doOneCycleFor:
> Receiver: a WorldState
> Arguments and temporary variables:
> aWorld: a PasteUpMorph(1622) [world]
> Receiver's instance variables:
> hands: an Array(a HandMorph(3216))
> viewBox: 0...@0 corner: 1...@916
> canvas: a FormCanvas on: DisplayScreen(1314x916x32)
> damageRecorder: a DamageRecorder
> stepList: a Heap(StepMessage(#stepAt: -> a
> PreDebugWindow(1012))(a
> PreDebugWind...etc...
> lastStepTime: 2857650
> lastStepMessage: nil
> lastCycleTime: 2857677
> commandHistory: a CommandHistory
> alarms: a Heap()
> lastAlarmTime: 2857650
>
> PasteUpMorph>>doOneCycle
> Receiver: a PasteUpMorph(1622) [world]
> Arguments and temporary variables:
>
> Receiver's instance variables:
> bounds: 0...@0 corner: 1...@916
> owner: nil
> submorphs: an Array(a TaskbarMorph(3095) a
> PreDebugWindow(1012) a
> SystemWindow(...etc...
> fullBounds: nil
> color: (Color r: 0.97 g: 0.98 b: 1.0)
> extension: a MorphExtension (2543) [eventHandler = an
> EventHandler]
> [other: (...etc...
> borderWidth: 0
> borderColor: (Color r: 0.03 g: 0.02 b: 0.0)
> presenter: a Presenter (1246)
> model: a MorphicModel(1926)
> cursor: 1
> padding: 3
> backgroundMorph: nil
> isPartsBin: nil
> autoLineLayout: false
> indicateCursor: nil
> resizeToFit: nil
> wantsMouseOverHalos: nil
> worldState: a WorldState
> griddingOn: nil
>
> [] in Project class>>spawnNewProcess
> Receiver: Project
> Arguments and temporary variables:
>
> Receiver's instance variables:
> superclass: Model
> methodDict: a MethodDictionary(size 167)
> format: 172
> instanceVariables: #('world' 'changeSet' 'transcript'
> 'parentProject' 'previous...etc...
> organization: ('*Polymorph-Widgets'
> assureTaskbarPresenceMatchesPreference crea...etc...
> subclasses: nil
> name: #Project
> classPool: a Dictionary(#AllProjects->an
> OrderedCollection(a
> Project(Unnamed)) ...etc...
> sharedPools: nil
> environment: Smalltalk
> category: #'System-Support'
> traitComposition: {}
> localSelectors: nil
>
> [] in BlockClosure>>newProcess
> Receiver: [closure] in Project class>>spawnNewProcess
> Arguments and temporary variables:
>
> Receiver's instance variables:
> outerContext: Project class>>spawnNewProcess
> startpc: 53
> numArgs: 0
>
>
> --- The full stack ---
> UndefinedObject(Object)>>doesNotUnderstand: #isEmpty
> MouseOverHandler>>processMouseOver:
> HandMorph>>processEvents
> [] in WorldState>>doOneCycleNowFor:
> Array(SequenceableCollection)>>do:
> WorldState>>handsDo:
> WorldState>>doOneCycleNowFor:
> WorldState>>doOneCycleFor:
> PasteUpMorph>>doOneCycle
> [] in Project class>>spawnNewProcess
> [] in BlockClosure>>newProcess
> ------------------------------------------------------------
>
> --
> Lukas Renggli
> http://www.lukas-renggli.ch
>
> _______________________________________________
> Pharo-project mailing list
> [email protected]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
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