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Re: Error -609
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Re: Error -609


  • Subject: Re: Error -609
  • From: Christopher Nebel <email@hidden>
  • Date: Sun, 10 Feb 2008 10:03:06 -0800

On Feb 8, 2008, at 5:40 AM, deivy petrescu wrote:

On Feb 8, 2008, at 8:36, Luther Fuller wrote:

Last week I wrote a relatively simple AppleScript application that creates multiple, switchable desktops in Tiger (10.4.11 PPC G4). (Something like Leopard's Spaces, but without a fancy GUI.) This week I rounded-off the rough edges and fixed a bug. Yesterday, I posted it to Version Tracker.

http://www.versiontracker.com/dyn/moreinfo/macosx/33917

I received a report from a user that he could not get it to run, but instead got:
"Error = -609 Finder got an error: Connection is invalid." (My error dialog.)


I'm not sure, but I don't think this is the kind of error I can fix.
I can't find additional info on this error at Apple's site.
Does anyone know more about the nature of this error?

Luther:

Error -609: "no user interaction allowed"

I don't know what reference you used to get that, but it's wrong. -609 is "connection invalid", like deivy said; -1713 is "no user interaction allowed." "Connection invalid" means that an application you tried to talk to is dead; this sometimes happens when you do something like this:


	tell application "Finder"
		quit
		activate -- or any command, really.
	end

There's a race condition, because "quit" returns before the process is completely dead -- it still exists, but won't accept any more events. (Yes, AppleScript could detect this error and retry, but that creates an even more annoying problem.) The simplest (though least efficient) solution is a short "delay" command; you can also wait, testing to see if the application is still running, and proceed once the answer is "no". This was discussed a month or two back; check the archives.


--Chris Nebel AppleScript Engineering

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