I see this sometimes too, and I don't do domain changes. But I think
that case has to do with calling console.log very early in the page
load, before domready, etc. I'm curious if the poster has XHR requests
as the page loads.

On Aug 27, 4:51 pm, johnjbarton <[email protected]> wrote:
> Here's a guess. Window.r is from our attempt to complete the console
> setup. It runs code injected on load. You changed the domain so now
> our code is cross domain.
>
> jjb
>
> On Aug 27, 1:08 pm, Steven Parkes <[email protected]> wrote:
>
> > I'm seeing various numbers of "Firebug cannot find _firebugConsole
> > element" messages and wondering about thoughts on it.  I see them
> > under FF 3.0.13 and 3.5.2 and FB 1.3.3, 1.4.*, and 1.5X.0a21. The more
> > recent the version, the more frequently I see the issue.
>
> > When the issue occurs, generally I get  "Firebug cannot find
> > _firebugConsole" for cases where the code is trying to do a
> > console.debug(...). When it works, I get the debugging in the console.
> > When it doesn't work, I get the error message. It works on some (re)
> > loads, not on others. The frequency of failure seems to be higher for
> > newer combinations of FF/FB.
>
> > The thing that I think it triggering it is having multiple windows
> > with their document domains set (possibly in combination with active
> > XHR requests) when doing a (re)load. The main page sets its
> > document.domain and contains an iframe, the contents of which sets its
> > document.domain to the same value.
>
> > Here's the console output when doing a reload that fails (this is
> > under3.0.13/1.3.3since it gives more output in the console (not sure
> > which to turn tracing on on in newer versions:
>
> > Firebug cannot find _firebugConsole element
> > commandLine.evaluate FAILED: Error: Permission denied to set property
> > Window.r
> > [Break on this error] (200 out of range 2)
> > FirebugC...uate,with (line 200) Window localhost:3000
> > Firebug cannot find _firebugConsole element
> > commandLine.evaluate FAILED: Error: Permission denied to set property
> > Window.r
> > [Break on this error] (200 out of range 2)
> > FirebugC...uate,with (line 200) Window localhost:3000
> > Firebug cannot find _firebugConsole element
> > commandLine.evaluate FAILED: Error: Permission denied to set property
> > Window.r
> > [Break on this error] (200 out of range 2)
> > FirebugC...uate,with (line 200) Window localhost:3000
> > Strophe is not defined
> > [Break on this error] Strophe.debug("request id " + req.id +
> > strophe....251401953 (line 2150)
> > listeninglocalhost:3000 (line 55)
> > creatingxmpp.js?...251402053 (line 44)
> > 1 _connect_cb was called
> > 1 SASL authentication succeeded.
> > 1 no requests during idle cycle, sending blank request
>
> > Sorry it's ugly, but I think the key issue is the permissions denied
> > part of the message. I think there's some kind of race going on
> > relative to the document domains, but beyond that ...
>
> > The timing ... well I'm not sure I understand it exactly. The line
> > "Strophe is not defined" is actually an error being generated because
> > there's a callback on an outstanding XHR request that is trying to
> > access an object that appears to have already been destroyed. I don't
> > think this is related, but ...
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