Re: [orca-list] Orca seems to sometimes crash when exiting firefox



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Sorry, I forgot to mention that I'm using Firefox 4.0B8pre these days.

On Thu, Dec 16, 2010 at 12:01:15AM +0000, Michael Whapples wrote:
Hello,
I know this has been around for some time and because it only
happens sometimes its been really hard to catch any information on
why its happening. Anyway the problem is that sometimes when exiting
firefox orca seems to lock up.

As doing full debugging is a bit costly (the files would get very
big and I am not keen on the idea of having dbug going all the time
as it possibly will show passwords) I decided to leave orca's debug
level at its default and just have orca output to a file. Anyway the
result of this is that I got the bug showing itself and this
traceback turned up:

Traceback (most recent call last):
  File "/home/mike/orca-dev/orca-install/lib/python2.7/site-packages/orca/focus_tracking_presenter.py",
line 986, in _dequeueEvent
    self._processObjectEvent(event)
  File "/home/mike/orca-dev/orca-install/lib/python2.7/site-packages/orca/focus_tracking_presenter.py",
line 572, in _processObjectEvent
    if event.source == self.registry.getDesktop(0):
  File "/usr/lib/python2.7/site-packages/pyatspi/registry.py", line
410, in getDesktop
    raise LookupError(e)
LookupError

focus_tracking_presenter:_dequeueEvent:  the event queue is empty!

Unfortunately as I didn't have full debugging going at the time I
have no more information how orca got to this state. However I
wonder, as other problems do seem to arise from LookupErrors, should
orca be doing more in that block which catches these exceptions and
try and get it back up on its feet rather than trying to account for
each of these cases?

Michael Whapples
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