Bug 428943

SUMMARY
On startup, I get a message saying "baloo file extractor has crashed". In the dialog, the "report bug" button is grayed out.

I'm using kde neon. up to date.

STEPS TO REPRODUCE
1. Startup the laptop
2. 
3. 

OBSERVED RESULT
An error message appears.

EXPECTED RESULT
No error message should appear.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: KDE neon 5.20.1
(available in About System)
KDE Plasma Version: 5.20.1
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.0

ADDITIONAL INFORMATION

The bug reporting message, in the "Developer information" tab, shows the following:

Application: baloo_file_extractor (baloo_file_extractor), signal: Aborted
Content of s_kcrashErrorMessage: (null)
[New LWP 14647]
[New LWP 14648]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f136a955aff in __GI___poll (fds=fds@entry=0x7fff51da77a8, nfds=nfds@entry=1, timeout=timeout@entry=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f1367349400 (LWP 14646))]

Thread 3 (Thread 0x7f1365bc4700 (LWP 14648)):
#0  0x00007f136a955aff in __GI___poll (fds=0x7f135801b270, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f13699591ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f13699592e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f136af1deab in QEventDispatcherGlib::processEvents (this=0x7f1358000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f136aec21bb in QEventLoop::exec (this=this@entry=0x7f1365bc3d70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f136ace0082 in QThread::exec (this=this@entry=0x7f136b92ad80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f136b8a7f2b in QDBusConnectionManager::run (this=0x7f136b92ad80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#7  0x00007f136ace120c in QThreadPrivate::start (arg=0x7f136b92ad80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:342
#8  0x00007f136a2bd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f136a962293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f136662b700 (LWP 14647)):
#0  0x00007f136a955aff in __GI___poll (fds=0x7f136662aca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f13698dcc1a in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f13698de90a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1366c09978 in QXcbEventQueue::run (this=0x55f137039460) at qxcbeventqueue.cpp:228
#4  0x00007f136ace120c in QThreadPrivate::start (arg=0x55f137039460) at thread/qthread_unix.cpp:342
#5  0x00007f136a2bd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f136a962293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1367349400 (LWP 14646)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007f136a865859 in __GI_abort () at abort.c:79
#8  0x00007f136a482a83 in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#9  0x00007f136a4776d5 in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#10 0x00007f136a478966 in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#11 0x00007f136a478ba3 in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#12 0x00007f136a47a7ec in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#13 0x00007f136a47ea0f in mdb_cursor_del () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#14 0x00007f136a4802e3 in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#15 0x00007f136b9548c9 in Baloo::DocumentDB::del (this=this@entry=0x7fff51da90b0, docId=<optimized out>, docId@entry=47865237260470279) at ./src/engine/documentdb.cpp:105
#16 0x00007f136b9851d9 in Baloo::WriteTransaction::removeDocument (this=0x55f13710fb20, id=id@entry=47865237260470279) at ./src/engine/writetransaction.cpp:115
#17 0x00007f136b977f37 in Baloo::Transaction::removeDocument (this=this@entry=0x55f137102180, id=id@entry=47865237260470279) at ./src/engine/transaction.cpp:235
#18 0x000055f135a9aa75 in Baloo::App::index (this=this@entry=0x7fff51da9940, tr=0x55f137102180, url=..., id=id@entry=47865237260470279) at ./src/file/extractor/app.cpp:209
#19 0x000055f135a9b97d in Baloo::App::processNextFile (this=0x7fff51da9940) at ./src/file/extractor/app.cpp:113
#20 0x00007f136aeff176 in QtPrivate::QSlotObjectBase::call (a=0x7fff51da9540, r=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#21 QSingleShotTimer::timerEvent (this=0x55f137109640) at kernel/qtimer.cpp:320
#22 0x00007f136aef1045 in QObject::event (this=0x55f137109640, e=0x7fff51da9670) at kernel/qobject.cpp:1336
#23 0x00007f136aec36aa in QCoreApplication::notifyInternal2 (receiver=0x55f137109640, event=0x7fff51da9670) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#24 0x00007f136af1d1e0 in QTimerInfoList::activateTimers (this=0x55f1370de9b0) at kernel/qtimerinfo_unix.cpp:643
#25 0x00007f136af1dacc in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:183
#26 0x00007f1369958fbd in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f1369959240 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f13699592e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f136af1de92 in QEventDispatcherGlib::processEvents (this=0x55f1370310f0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#30 0x00007f136aec21bb in QEventLoop::exec (this=this@entry=0x7fff51da98b0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#31 0x00007f136aeca354 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#32 0x000055f135a9945a in main (argc=<optimized out>, argv=<optimized out>) at ./src/file/extractor/main.cpp:37
[Inferior 1 (process 14646) detached]