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
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