[kde-doc-english] [khelpcenter] [Bug 347294] New: after plasma crashes trying to restart it crashes it again

[David]

https://bugs.kde.org/show_bug.cgi?id=347294

            Bug ID: 347294
           Summary: after plasma crashes trying to restart it crashes it
                    again
           Product: khelpcenter
           Version: 5.3.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kde-doc-english at kde.org
          Reporter: spearhead2k3 at gmail.com

Application: khelpcenter (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I tried to change file associations then plasma crashed - i hoped plasma would
automatically restart like always but it crashed again after pressing alt+f1
- Unusual behavior I noticed:
beforehand file associations didnt work properly

-- Backtrace:
Application: KDE Help Center (khelpcenter), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5bfc940800 (LWP 23418))]

Thread 2 (Thread 0x7f5bfa50b700 (LWP 23419)):
#0  0x00007f5c0fc218dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f5c05afeb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f5c05b0064f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f5bfc472099 in QXcbEventReader::run (this=0x16a54d0) at
qxcbconnection.cpp:1105
#4  0x00007f5c0b124b0e in QThreadPrivate::start (arg=0x16a54d0) at
thread/qthread_unix.cpp:337
#5  0x00007f5c05f216aa in start_thread (arg=0x7f5bfa50b700) at
pthread_create.c:333
#6  0x00007f5c0fc2ceed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f5bfc940800 (LWP 23418)):
[KCrash Handler]
#6  QDataStream::operator>> (this=this at entry=0x0, i=@0x7ffc28326964: 0) at
io/qdatastream.cpp:646
#7  0x00007f5c0ebd5a25 in KServiceGroupFactory::KServiceGroupFactory
(this=0x18d6d90) at ../../src/services/kservicegroupfactory.cpp:39
#8  0x00007f5c0ebd5ba2 in self (this=<optimized out>) at
../../src/sycoca/ksycocafactory_p.h:212
#9  KServiceGroupFactory::self () at
../../src/services/kservicegroupfactory.cpp:59
#10 0x00007f5c0ebd10c0 in KServiceGroup::root () at
../../src/services/kservicegroup.cpp:661
#11 0x00007f5c0ebd1195 in KServiceGroup::group (relPath=...) at
../../src/services/kservicegroup.cpp:668
#12 0x00007f5c0ff1783e in KHC::NavigatorAppItem::populate (this=0x18d6e20,
recursive=false) at ../navigatorappitem.cpp:86
#13 0x00007f5c0ff47bfb in KHC::PluginTraverser::process (this=0x7ffc28326c10,
entry=0x183e6f0) at ../plugintraverser.cpp:67
#14 0x00007f5c0ff2239d in KHC::DocMetaInfo::traverseEntry (this=0x1866b20,
entry=<optimized out>, traverser=traverser at entry=0x7ffc28326c10) at
../docmetainfo.cpp:234
#15 0x00007f5c0ff224ac in KHC::DocMetaInfo::traverseEntries (this=<optimized
out>, traverser=traverser at entry=0x7ffc28326c10) at ../docmetainfo.cpp:223
#16 0x00007f5c0ff116f4 in KHC::Navigator::insertPlugins
(this=this at entry=0x189ccd0) at ../navigator.cpp:190
#17 0x00007f5c0ff12bf2 in KHC::Navigator::Navigator (this=0x189ccd0,
view=<optimized out>, parent=<optimized out>, name=<optimized out>) at
../navigator.cpp:122
#18 0x00007f5c0ff30c82 in KHC::MainWindow::MainWindow (this=0x1789510,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../mainwindow.cpp:149
#19 0x00007f5c0ff3b3c4 in KHC::Application::activate
(this=this at entry=0x7ffc28326fc0, args=..., workingDirectory=...) at
../application.cpp:61
#20 0x00007f5c0ff3bb7e in kdemain (argc=2, argv=<optimized out>) at
../application.cpp:93
#21 0x00007f5c0fb46a40 in __libc_start_main (main=0x400720 <main(int, char**)>,
argc=2, argv=0x7ffc28327108, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc283270f8) at libc-start.c:289
#22 0x0000000000400759 in _start ()

Reported using DrKonqi

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