#0  Exiv2::ValueType<std::pair<unsigned int, unsigned int> >::toFloat (this=0x564bc823a480, n=0) at ../include/exiv2/value.hpp:1695
  [Error: value.hpp was not found in source tree]
#1  0x00007f4b5361ad67 in (anonymous namespace)::toVariantDouble (value=...) at ./src/extractors/exiv2extractor.cpp:98
  [Error: exiv2extractor.cpp was not found in source tree]
#2  (anonymous namespace)::toVariant (type=QVariant::Double, value=...) at ./src/extractors/exiv2extractor.cpp:128
  [Error: exiv2extractor.cpp was not found in source tree]
#3  KFileMetaData::Exiv2Extractor::add (this=this@entry=0x564bc806bd50, result=result@entry=0x7fff3dfab580, data=..., prop=prop@entry=KFileMetaData::Property::PhotoFocalLength, name=name@entry=0x7f4b5361c2e0 "Exif.Photo.FocalLength", type=type@entry=QVariant::Double) at ./src/extractors/exiv2extractor.cpp:225
  [Error: exiv2extractor.cpp was not found in source tree]
#4  0x00007f4b5361b69e in KFileMetaData::Exiv2Extractor::extract (this=0x564bc806bd50, result=0x7fff3dfab580) at ./src/extractors/exiv2extractor.cpp:182
  [Error: exiv2extractor.cpp was not found in source tree]
#5  0x0000564bc656e54b in Baloo::App::index (this=this@entry=0x7fff3dfabcb0, tr=0x564bc812e870, url=..., id=id@entry=134448084275955716) at ./src/file/extractor/app.cpp:163
  158:     result.setDocument(doc);
  159: 
  160:     QList<KFileMetaData::Extractor*> exList = m_extractorCollection.fetchExtractors(mimetype);
  161: 
  162:     Q_FOREACH (KFileMetaData::Extractor* ex, exList) {
  163:         ex->extract(&result);
  164:     }
  165: 
  166:     result.finish();
  167:     if (doc.id() != id) {
  168:         qWarning() << url << "id seems to have changed. Perhaps baloo was not running, and this file was deleted + re-created";
#6  0x0000564bc656e950 in Baloo::App::processNextFile (this=0x7fff3dfabcb0) at ./src/file/extractor/app.cpp:93
  88:             QTimer::singleShot(0, this, &App::processNextFile);
  89:             return;
  90:         }
  91: 
  92:         m_io.writeStartedIndexingUrl(url);
  93:         index(m_tr, url, id);
  94:         m_io.writeFinishedIndexingUrl(url);
  95:         m_updatedFiles << url;
  96: 
  97:         QTimer::singleShot(delay, this, &App::processNextFile);
  98: 
#7  0x00007f4b64ebbcc4 in QtPrivate::QSlotObjectBase::call (a=0x7fff3dfab6e0, r=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
  [Error: qobject_impl.h was not found in source tree]
#8  QSingleShotTimer::timerEvent (this=0x564bc81dc640) at kernel/qtimer.cpp:318
  [Error: qtimer.cpp was not found in source tree]
#9  0x00007f4b64eafccb in QObject::event (this=0x564bc81dc640, e=<optimized out>) at kernel/qobject.cpp:1268
  [Error: qobject.cpp was not found in source tree]
#10 0x00007f4b65bfe82c in QApplicationPrivate::notify_helper (this=this@entry=0x564bc8022430, receiver=receiver@entry=0x564bc81dc640, e=e@entry=0x7fff3dfab9b0) at kernel/qapplication.cpp:3722
  [Error: qapplication.cpp was not found in source tree]
#11 0x00007f4b65c060f4 in QApplication::notify (this=0x7fff3dfabc80, receiver=0x564bc81dc640, e=0x7fff3dfab9b0) at kernel/qapplication.cpp:3481
  [Error: qapplication.cpp was not found in source tree]
#12 0x00007f4b64e805c8 in QCoreApplication::notifyInternal2 (receiver=0x564bc81dc640, event=event@entry=0x7fff3dfab9b0) at kernel/qcoreapplication.cpp:1016
  [Error: qcoreapplication.cpp was not found in source tree]
#13 0x00007f4b64ed897e in QCoreApplication::sendEvent (event=0x7fff3dfab9b0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
  [Error: qcoreapplication.h was not found in source tree]
#14 QTimerInfoList::activateTimers (this=0x564bc805d700) at kernel/qtimerinfo_unix.cpp:643
  [Error: qtimerinfo_unix.cpp was not found in source tree]
#15 0x00007f4b64ed9179 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
  [Error: qeventdispatcher_glib.cpp was not found in source tree]
#16 idleTimerSourceDispatch (source=source@entry=0x564bc805d750) at kernel/qeventdispatcher_glib.cpp:229
  [Error: qeventdispatcher_glib.cpp was not found in source tree]
#17 0x00007f4b6192f287 in g_main_dispatch (context=0x7f4b54004ff0) at ../../../../glib/gmain.c:3177
  [Error: gmain.c was not found in source tree]
#18 g_main_context_dispatch (context=context@entry=0x7f4b54004ff0) at ../../../../glib/gmain.c:3830
  [Error: gmain.c was not found in source tree]
#19 0x00007f4b6192f4c0 in g_main_context_iterate (context=context@entry=0x7f4b54004ff0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3903
  [Error: gmain.c was not found in source tree]
#20 0x00007f4b6192f54c in g_main_context_iteration (context=0x7f4b54004ff0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
  [Error: gmain.c was not found in source tree]
#21 0x00007f4b64ed94df in QEventDispatcherGlib::processEvents (this=0x564bc8042490, flags=...) at kernel/qeventdispatcher_glib.cpp:423
  [Error: qeventdispatcher_glib.cpp was not found in source tree]
#22 0x00007f4b64e7e61a in QEventLoop::exec (this=this@entry=0x7fff3dfabc00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
  [Error: qeventloop.cpp was not found in source tree]
#23 0x00007f4b64e87664 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1289
  [Error: qcoreapplication.cpp was not found in source tree]
#24 0x0000564bc656d96f in main (argc=<optimized out>, argv=0x7fff3dfabe98) at ./src/file/extractor/main.cpp:57
  52:     KAboutData::setApplicationData(aboutData);
  53: 
  54:     Baloo::FileIndexerConfig indexerConfig;
  55:     if (!indexerConfig.indexingEnabled()) {
  56:         std::cout << "Baloo File Indexing has been disabled" << std::endl;
  57:         return 0;
  58:     }
  59: 
  60: 
  61:     if (!QDBusConnection::sessionBus().registerService(QStringLiteral("org.kde.baloo"))) {
  62:         qWarning() << "Failed to register via dbus. Another instance is running";