Application that crashed: okular
Version of the application: 0.8.80
KDE Version: 4.2.87 (KDE 4.2.87 (KDE 4.3 >= 20090519))
Qt Version: 4.5.1
Operating System: Linux 2.6.28-gentoo-r2 i686
Distribution: "Gentoo Base System release 2.0.0"

What I was doing when the application crashed:
just crash on closing Okular window

 -- Backtrace:
Application: Okular (okular), signal: Aborted
[KCrash Handler]
#6  0xb7f9a424 in __kernel_vsyscall ()
#7  0xb69b6081 in raise () from /lib/libc.so.6
#8  0xb69b78fe in abort () from /lib/libc.so.6
#9  0xb74aa475 in qt_message_output () from /usr/lib/qt4/libQtCore.so.4
#10 0xb74aa538 in qFatal () from /usr/lib/qt4/libQtCore.so.4
#11 0xb77d5eae in operator-> (this=0xb7885470) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/localization/kcatalog.cpp:69
#12 0xb77d6a0d in KCatalog::operator= (this=0x80a26d8, rhs=@0xbfdb747c) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/localization/kcatalog.cpp:137
#13 0xb77d6a96 in KCatalog (this=0x80a26d8, rhs=@0xbfdb747c) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/localization/kcatalog.cpp:127
#14 0xb77ed6b3 in QList<KCatalog>::node_construct (this=0x80c3a2c, n=0x821ee84, t=@0xbfdb747c) at /usr/include/qt4/QtCore/qlist.h:340
#15 0xb77ed744 in QList<KCatalog>::append (this=0x80c3a2c, t=@0xbfdb747c) at /usr/include/qt4/QtCore/qlist.h:426
#16 0xb77e9be9 in KLocalePrivate::updateCatalogs (this=0x80c39c8) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/localization/klocale.cpp:717
#17 0xb77e9eb5 in KLocale::removeCatalog (this=0x80c31b0, catalog=@0xbfdb74e8) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/localization/klocale.cpp:736
#18 0xb7776202 in ~KComponentDataPrivate (this=0x80ed528) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/kernel/kcomponentdata_p.h:50
#19 0xb77762fd in KComponentDataPrivate::deref (this=0x80ed528) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/kernel/kcomponentdata_p.h:70
#20 0xb7775999 in ~KComponentData (this=0x80ed438) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/kernel/kcomponentdata.cpp:123
#21 0xb7705232 in ~KConfigPrivate (this=0x80ed408) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/config/kconfig_p.h:73
#22 0xb76ff89a in ~KConfig (this=0x80de148) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/config/kconfig.cpp:195
#23 0xb77163dd in ~KSharedConfig (this=0x80de148) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/config/ksharedconfig.cpp:74
#24 0xb770da43 in ~KSharedPtr (this=0x80df7ac) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/util/ksharedptr.h:90
#25 0xb772225e in ~Private (this=0x80df7a8) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/config/kcoreconfigskeleton_p.h:40
#26 0xb77195b5 in ~KCoreConfigSkeleton (this=0x80efdf0) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdecore/config/kcoreconfigskeleton.cpp:1005
#27 0xb608dca7 in ~KConfigSkeleton (this=0x80efdf0) at /usr/include/kconfigskeleton.h:41
#28 0xb608c91c in ~OxygenStyleConfigData (this=0x80efdf0) at /var/tmp/portage/kde-base/kstyles-4.2.87/work/kstyles-4.2.87_build/kstyles/oxygen/oxygenstyleconfigdata.cpp:81
#29 0xb608db85 in ~OxygenStyleConfigDataHelper (this=0x80eb308) at /var/tmp/portage/kde-base/kstyles-4.2.87/work/kstyles-4.2.87_build/kstyles/oxygen/oxygenstyleconfigdata.cpp:13
#30 0xb608c7a6 in destroy () at /var/tmp/portage/kde-base/kstyles-4.2.87/work/kstyles-4.2.87_build/kstyles/oxygen/oxygenstyleconfigdata.cpp:16
#31 0xb608978f in ~KCleanUpGlobalStatic (this=0xb608f97c) at /usr/include/kglobal.h:62
#32 0xb69b8fb9 in exit () from /lib/libc.so.6
#33 0xb69a210e in __libc_start_main () from /lib/libc.so.6
#34 0x0804e4e1 in _start ()