Mysterious missing messages

[David Burgun]

Hi,

I've had this problem or something very like it in the past, but I  
could never reproduce it. I think that sometimes RunRev gets itself  
in a state whereby it creates a "rouge" object and that objects  
causes all kinds of side-effects.

If you still have the errant stack, I suggest you send it to RunRev  
support as it may have some tell-tale signs that would allow them to  
trace where the object is coming from.

All the Best
Dave


On 25 Apr 2006, at 17:37, Devin Asay wrote:

> (Note: I actually solved this before I sent it, but thought it  
> might interest some of you.)
>
> ###################
> Has anyone ever seen this?
> (Tried on Rev 2.6.1, 2.7.x on Mac OSX; Rev 2.7 on Win XP)
>
> I have a stack in which I am accessing a mysql database and  
> displaying lots of unicode text. I noticed that my openCard and  
> closeCard handlers on one of the cards weren't being executed on  
> moving between cards. I did some investigating using the message  
> watcher and noticed the following:
>
> - When I first open the stack I get the expected sequence of card  
> and stack messages:
> 	preOpenBackground
> 	preOpenCard
> 	openStack
> 	openBackground
> 	openCard
>
> -When I go to the next card, either via a button handler or a View  
> menu shortcut, I get:
> 	closeCard
> 	preOpenBackground
>  That's all.
>
> From this point on I get no open or close (including preOpen/Close)  
> messages sent to cards or backgrounds.
>
> Then I tried creating a new card with nothing on it except go next  
> and go prev buttons, and set that card to be card 1.
>
> - Again when I first opened the stack I got the normal sequence of  
> open/close messages.
>
> - When I go from the blank card to any other card OR from any other  
> card back to the blank card I get the expected:
> 	closeCard
> 	preOpenCard
> 	openCard
>
> - However, when I go from any of the other cards to any card except  
> the blank one I see:
> 	closeCard
> 	preOpenBackground
>
> ############
> OKAY, while I was composing this email I noticed that one of the  
> cards contained a rogue group, one I don't remember creating and  
> which had the same name of an image object on the card. The group  
> had no objects in it. Once I deleted this group the open and close  
> messages began working again. I decided to send this along anyway  
> for you all to tuck into the back of your brains as something to  
> check if your open and close messages ever stop working.
>
>
> Devin
>
> Devin Asay
> Humanities Technology and Research Support Center
> Brigham Young University
>
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