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Re: [Bug 571247] Re: acroread remains zombie, so pdfs won't be rendered anymore

To: canonical-partner-dev@xxxxxxxxxxxxxxxxxxx
From: Massimiliano Calandrelli <571247@xxxxxxxxxxxxxxxxxx>
Date: Thu, 09 Feb 2012 14:24:40 -0000
Reply-to: Bug 571247 <571247@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
No, unless you have installed the files in different locations, you don't
need to export the other two variables; of course, being explicit wouldn't
hurt.
Check for correct file permissions and double check that extra space I see
between "bin/" and "acroread".

2012/2/9 f_padia <571247@xxxxxxxxxxxxxxxxxx>

> hmm it seems to have stopped working. I have put export
> LD_PRELOAD=/usr/local/bin/ acroread_exec_monitor.so in my .bashrc file
> but I dont see the interceptor process in sys. monitor. When I use the
> run_firefox.sh script, however, it does seem to work properly. Do I also
> need to add the other two lines from the script into my .bashrc for it
> to work permanently without launching firefox from the script?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/571247
>
> Title:
>  acroread remains zombie, so pdfs won't be rendered anymore
>
> Status in Compatibility plugin for Netscape 4 (NPAPI) plugins:
>  Confirmed
> Status in “acroread” package in Ubuntu:
>  Confirmed
>
> Bug description:
>  Binary package hint: acroread
>
>  When I have to read more than 1 pdf (not only at the same time in
>  different tabs) with the adobe reader acroread firefox plugin, I get
>  some strange screens (white, black or anything non-readable).
>
>  In Konsole (sorry for error logs length, I'm not able to sort these
>  repetitive lines) :
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_get_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): Gtk-CRITICAL **: gtk_widget_hide: assertion
>  `GTK_IS_WIDGET (widget)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_get_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): Gtk-CRITICAL **: gtk_widget_hide: assertion
>  `GTK_IS_WIDGET (widget)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_get_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): Gtk-CRITICAL **: gtk_widget_hide: assertion
>  `GTK_IS_WIDGET (widget)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_get_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): Gtk-CRITICAL **: gtk_widget_hide: assertion
>  `GTK_IS_WIDGET (widget)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_get_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): Gtk-CRITICAL **: gtk_widget_hide: assertion
>  `GTK_IS_WIDGET (widget)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_get_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): Gtk-CRITICAL **: gtk_widget_hide: assertion
>  `GTK_IS_WIDGET (widget)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GtkObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-CRITICAL **: g_object_set_data:
>  assertion `G_IS_OBJECT (object)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): GLib-GObject-WARNING **: invalid uninstantiatable
>  type `(null)' in cast to `GObject'
>
>  (acroread:21141): GLib-GObject-WARNING **: instance of invalid non-
>  instantiatable type `(null)'
>
>  (acroread:21141): GLib-GObject-CRITICAL **:
>  g_signal_handlers_disconnect_matched: assertion `G_TYPE_CHECK_INSTANCE
>  (instance)' failed
>
>  (acroread:21141): Gtk-CRITICAL **: gtk_widget_destroy: assertion
>  `GTK_IS_WIDGET (widget)' failed
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/nspluginwrapper/+bug/571247/+subscriptions
>

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https://bugs.launchpad.net/bugs/571247

Title:
  acroread remains zombie, so pdfs won't be rendered anymore

To manage notifications about this bug go to:
https://bugs.launchpad.net/nspluginwrapper/+bug/571247/+subscriptions
References

[Bug 571247] Re: acroread remains zombie, so pdfs won't be rendered anymore
From: f_padia, 2012-02-09