[Pkg-xfce-devel] Bug#507197: libxfcegui4-4: Error-hiding is preventing me from debugging a problem.

J Phelps godless at users.sf.net
Sat Nov 29 00:31:20 UTC 2008

Package: libxfcegui4-4
Version: 4.4.2-4
Severity: normal
Tags: patch

The following unhelpful error message was traced to code in

(xfce4-menu-plugin:3979): libxfcegui4-WARNING **: XfceAppMenuItem: unable to spawn xfrun4

This message is generated in the function _command_activate_cb, in the file
xfce-apmenuitem.c, in response to any failure from the function
xfce_exec_on_screen. No attempt is made to retrieve a system-level error
message, nor is any attempt made to retrieve an error code from underlying

xfce_exec_on_screen takes an error buffer of the type used by the glib
library as its last argument, but _command_activate_cb passes a NULL
pointer, thereby losing any opportunity to recover error information from
the underlying library.

I'm including a patch to make the library include whatever error information
the underlying library provides in its error message. Perhaps next time
I have trouble, I'll be able to do something better than restarting XFCE4
and all my other applications.

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.22-2-686 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages libxfcegui4-4 depends on:
ii  libatk1.0-0                   1.22.0-1   The ATK accessibility toolkit
ii  libc6                         2.7-15     GNU C Library: Shared libraries
ii  libcairo2                     1.6.4-6    The Cairo 2D vector graphics libra
ii  libglib2.0-0                  2.16.6-1   The GLib library of C routines
ii  libgtk2.0-0                   2.12.1-1   The GTK+ graphical user interface 
ii  libice6                       2:1.0.4-1  X11 Inter-Client Exchange library
ii  libpango1.0-0                 1.20.5-2   Layout and rendering of internatio
ii  libsm6                        2:1.0.3-2  X11 Session Management library
ii  libstartup-notification0      0.9-1      library for program launch feedbac
ii  libx11-6                      2:1.1.5-2  X11 client-side library
ii  libxfce4util4                 4.4.2-3    Utility functions library for Xfce

libxfcegui4-4 recommends no packages.

libxfcegui4-4 suggests no packages.

-- no debconf information
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