Application: okular (0.12.80)
KDE Platform Version: 4.6.95 (4.7 RC2) (Compiled from sources)
Qt Version: 4.7.3
Operating System: Linux 2.6.39-gentoo-r2 x86_64
Distribution: "Gentoo Base System release 2.0.3"

-- Information about the crash:
- What I was doing when the application crashed:
Qt: Session management error: Could not open network socket
okular(24434)/kdeui (kdelibs): Session bus not found 
To circumvent this problem try the following command (with Linux and bash) 
export $(dbus-launch) 
KCrash: Application 'okular' crashing...
KCrash: Attempting to start /usr/lib64/kde4/libexec/drkonqi from kdeinit
sock_file=/home/users/endymion/.kde4/socket-hyperion/kdeinit4__0

- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: Okular (okular), signal: Aborted
[KCrash Handler]
#6  0x00007feeeddbbb35 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007feeeddbceda in abort () at abort.c:92
#8  0x00007feeee712fa4 in qt_message_output (msgType=<value optimized out>, buf=<value optimized out>) at global/qglobal.cpp:2282
#9  0x00007feeefe568f5 in QDebug::~QDebug (this=0x7fff099fa950, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qdebug.h:85
#10 0x00007feeeff3ecd9 in KApplicationPrivate::init (this=<value optimized out>, GUIenabled=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.6.95/work/kdelibs-4.6.95/kdeui/kernel/kapplication.cpp:516
#11 0x00007feeeff3fc79 in KApplication::KApplication (this=0x7fff099faa80, GUIenabled=true) at /var/tmp/portage/kde-base/kdelibs-4.6.95/work/kdelibs-4.6.95/kdeui/kernel/kapplication.cpp:352
#12 0x0000000000409104 in main (argc=2, argv=0x7fff099fb168) at /var/tmp/portage/kde-base/okular-4.6.95/work/okular-4.6.95/shell/main.cpp:53

Possible duplicates by query: bug 276884, bug 274040, bug 273216, bug 272647, bug 270442.

Reported using DrKonqi