[Newbies] Newbie Image Blowout

[Matthew Fulmer]

On Sat, Nov 22, 2008 at 07:35:36AM -0500, Tony Giaccone wrote:
> 
> 
> Ok so this is kind of a Seaside Question, but also kind of a Newb  
> question. I'm going to ask it here because I think it's mostly a  
> newbie problem.
> 
> 
> I created a seaside app, that seemed to hang the smalltalk process.   
> When I hit the URL the page never rendered, and the image seemed to  
> freeze up.
> 
> In fact it brought my Mac pretty much to it's knees. I assume some  
> kind of infinite loop sucked up all the swap space.
> 
> Subsequent restarts of the image showed the same behavior.
> 
> In the end I seem to have ended up corrupting my image, by forcing a  
> quit in the middle of a save that was taking forever.
> 
> 
> So now when I try to restart my Squeak/Seaside image, I get the message:
> 
> 	Read failed or premature end of Image file.
> 
> after that image, the Squeak process crashes.
> 
> 
> I think I'm kind of in a bad place. I've done development over the  
> course of several days.   Have I lost all that work? Is there any kind  
> of journal file that might have changes to the image?  How badly am I  
> toasted when my image goes south like this? Should I be making copies  
> of the image as an additional protection strategy?

All the code changes are stored in the .changes file sitting
next to the image. You should be keeping your source code in a
Monticello repository as both a backup measure and a code
sharing measure. And yes, you should make copies of your image.
It's as easy as World > save as new version.

-- 
Matthew Fulmer -- http://mtfulmer.wordpress.com/