Well, I decided to update Squeak. I hadn't updated since before the big m17n update. Anyway, I started up Squeak, hit the updates off the Squeak Public Updates. Things seemed to go well. Then Squeak started hogging memory to the tune of 450-500M. OK, I thought, no problem. I'll just leave it running over the weekend and it can chug away. This was about 16h00 on Friday. On Saturday, ~06h00, Windows had enough and popped up a message complaining of the lack of virtual memory. Presumably it killed the Squeak process because Squeak wasn't running when I came into work this morning.

When I re-opened Squeak though I find all sorts of things wrong with my image. For starters I've a window titled "Syntax Error". It has two text areas, the upper one containing "WorldState as yet unclassified  d" and the lower containing a snippet of code:

d |
	bufferPos Vertical bar expected ->:= startIndex.
	[self dataAvailable
		and: [bufferPos-1 < buffer size]] 
		whileTrue: [
			bytesRead := self receiveSomeDataInto: buffer startingAt: bufferPos.
			bufferPos := bufferPos + bytesRead]

There's also an MNU whose stack trace contains some text like "--source missing--". SqueakDebugLog says this:

Error: MessageNotUnderstood: UndefinedObject>>isSeparator
9 November 2004 9:39:57 am

VM: Win32 - a SmalltalkImage
Image: Squeak3.8alpha [latest update: #5990]

SecurityManager state:
Restricted: false
FileAccess: true
SocketAccess: true
Working Dir C:\Program Files\Squeak-3.2.2
Trusted Dir C:\Program Files\Squeak-3.2.2\FrankS
Untrusted Dir C:\My Squeak\FrankS

UndefinedObject(Object)>>error:
	Receiver: nil
	Arguments and temporary variables: 
		aString: 	'MessageNotUnderstood: UndefinedObject>>isSeparator'
	Receiver's instance variables: 
nil
[] in WorldState>>displayWorldSafely: '--source missing--'
	Arguments and temporary variables: 

So what gives? How can I recover my image from this? Can I just clear these windows down, close all the active apps (a WhiskerBrowser, a BFAV, a TestBrowser), save the image and restart it?

frank


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