[kmail2] [Bug 335113] New: kmail crashes when searching in quick filter

Wed May 21 07:44:40 BST 2014

https://bugs.kde.org/show_bug.cgi?id=335113

            Bug ID: 335113
           Summary: kmail crashes when searching in quick filter
    Classification: Unclassified
           Product: kmail2
           Version: 4.13.0
          Platform: Kubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: search
          Assignee: kdepim-bugs at kde.org
          Reporter: hausmann at kde.org
                CC: me at vhanda.in

In kmail's debug output I see the following:

""
Qt has caught an exception thrown from an event handler. Throwing
exceptions from an event handler is not supported in Qt. You must
reimplement QApplication::notify() and catch all exceptions there.

terminate called after throwing an instance of 'std::logic_error'
  what():  basic_string::_S_construct null not valid
""

The backtrace at that point naturally doesn't give anything away. I noticed
however on akonadi startup the following also:

""
akonadi_baloo_indexer(16245): Failed to create email indexer: "Error opening
table `/home/shausman/.local/share/baloo/email//record.':
Couldn't open /home/shausman/.local/share/baloo/email//record.baseA: No such
file or directory
Unable to read revision from
/home/shausman/.local/share/baloo/email//record.baseB
""

as well as

""
Executing search "kmail2-869657646-SearchSession" 
akonadiserver(16196): Xapian Database does not exist at 
"/home/shausman/.local/share/baloo/email/" 
Search done "kmail2-869657646-SearchSession" (without remote search) 
        Result: 0 matches 
""

In order to get something more useful from gdb I did a "catch throw" to find
out where the exception was throw. The first throw was here, where it looks
like it can't open that database:

""
Catchpoint 2 (exception thrown), 0x00007ffff5825a30 in __cxa_throw () from
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
(gdb) bt
#0  0x00007ffff5825a30 in __cxa_throw () from
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x00007fffe38b99a1 in ChertTable::basic_open(bool, unsigned int) () from
/usr/lib/libxapian.so.22
#2  0x00007fffe38bd978 in ChertTable::do_open_to_read(bool, unsigned int) ()
from /usr/lib/libxapian.so.22
#3  0x00007fffe3898ce1 in ?? () from /usr/lib/libxapian.so.22
#4  0x00007fffe389d770 in ?? () from /usr/lib/libxapian.so.22
#5  0x00007fffe3843086 in Xapian::Database::Database(std::string const&) ()
from /usr/lib/libxapian.so.22
#6  0x00007fffea95b46b in Baloo::PIM::EmailQuery::exec() () from
/usr/lib/libbaloopim.so.4
#7  0x00007ffff112a3e6 in MessageList::Core::Filter::setSearchString
(this=0x1e021d0, search=..., options=...) at
../../messagelist/core/filter.cpp:122
#8  0x00007ffff116ece9 in MessageList::Core::Widget::searchTimerFired
(this=0xbce250) at ../../messagelist/core/widgetbase.cpp:989
#9  0x00007ffff5c5c87a in QMetaObject::activate (sender=0x1dec6c0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#10 0x00007ffff5c60a31 in QObject::event (this=0x1dec6c0, e=<optimized out>) at
kernel/qobject.cpp:1156
#11 0x00007ffff6179e2c in QApplicationPrivate::notify_helper
(this=this at entry=0x6c20f0, receiver=receiver at entry=0x1dec6c0,
e=e at entry=0x7fffffffd6c0) at kernel/qapplication.cpp:4567
#12 0x00007ffff61804a0 in QApplication::notify (this=this at entry=0x7fffffffdce0,
receiver=receiver at entry=0x1dec6c0, e=e at entry=0x7fffffffd6c0) at
kernel/qapplication.cpp:4353
#13 0x00007ffff79b4baa in KApplication::notify (this=0x7fffffffdce0,
receiver=0x1dec6c0, event=0x7fffffffd6c0) at
../../kdeui/kernel/kapplication.cpp:311
#14 0x00007ffff5c484dd in QCoreApplication::notifyInternal
(this=0x7fffffffdce0, receiver=0x1dec6c0, event=0x7fffffffd6c0) at
kernel/qcoreapplication.cpp:953
#15 0x00007ffff5c78323 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QTimerInfoList::activateTimers (this=0x6b9f40) at
kernel/qeventdispatcher_unix.cpp:621
#17 0x00007ffff5c75629 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:193
#18 idleTimerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:240
#19 0x00007fffed369e04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fffed36a048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fffed36a0ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007ffff5c757a1 in QEventDispatcherGlib::processEvents (this=0x607b20,
flags=...) at kernel/qeventdispatcher_glib.cpp:434
#23 0x00007ffff621bbb6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007ffff5c470af in QEventLoop::processEvents
(this=this at entry=0x7fffffffd930, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007ffff5c473a5 in QEventLoop::exec (this=this at entry=0x7fffffffd930,
flags=...) at kernel/qeventloop.cpp:204
#26 0x00007ffff5c4cb79 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#27 0x00007ffff617837c in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x0000000000402d18 in main (argc=<optimized out>, argv=<optimized out>) at
../../kmail/main.cpp:146
""

But it seems that exception was caught. However the next one wasn't caught:

""
#0  0x00007ffff5825a30 in __cxa_throw () from
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x00007ffff5877357 in std::__throw_logic_error(char const*) () from
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#2  0x00007ffff5882b61 in char* std::string::_S_construct<char const*>(char
const*, char const*, std::allocator<char> const&, std::forward_iterator_tag) ()
from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007ffff5882ef8 in std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::basic_string(char const*, std::allocator<char> const&)
() from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fffea95dd00 in Baloo::PIM::EmailQuery::exec() () from
/usr/lib/libbaloopim.so.4
#5  0x00007ffff112a3e6 in MessageList::Core::Filter::setSearchString
(this=0x1e021d0, search=..., options=...) at
../../messagelist/core/filter.cpp:122
#6  0x00007ffff116ece9 in MessageList::Core::Widget::searchTimerFired
(this=0xbce250) at ../../messagelist/core/widgetbase.cpp:989
#7  0x00007ffff5c5c87a in QMetaObject::activate (sender=0x1dec6c0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#8  0x00007ffff5c60a31 in QObject::event (this=0x1dec6c0, e=<optimized out>) at
kernel/qobject.cpp:1156
#9  0x00007ffff6179e2c in QApplicationPrivate::notify_helper
(this=this at entry=0x6c20f0, receiver=receiver at entry=0x1dec6c0,
e=e at entry=0x7fffffffd6c0) at kernel/qapplication.cpp:4567
#10 0x00007ffff61804a0 in QApplication::notify (this=this at entry=0x7fffffffdce0,
receiver=receiver at entry=0x1dec6c0, e=e at entry=0x7fffffffd6c0) at
kernel/qapplication.cpp:4353
#11 0x00007ffff79b4baa in KApplication::notify (this=0x7fffffffdce0,
receiver=0x1dec6c0, event=0x7fffffffd6c0) at
../../kdeui/kernel/kapplication.cpp:311
#12 0x00007ffff5c484dd in QCoreApplication::notifyInternal
(this=0x7fffffffdce0, receiver=0x1dec6c0, event=0x7fffffffd6c0) at
kernel/qcoreapplication.cpp:953
#13 0x00007ffff5c78323 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#14 QTimerInfoList::activateTimers (this=0x6b9f40) at
kernel/qeventdispatcher_unix.cpp:621
#15 0x00007ffff5c75629 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:193
#16 idleTimerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:240
#17 0x00007fffed369e04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fffed36a048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fffed36a0ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007ffff5c757a1 in QEventDispatcherGlib::processEvents (this=0x607b20,
flags=...) at kernel/qeventdispatcher_glib.cpp:434
#21 0x00007ffff621bbb6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#22 0x00007ffff5c470af in QEventLoop::processEvents
(this=this at entry=0x7fffffffd930, flags=...) at kernel/qeventloop.cpp:149
#23 0x00007ffff5c473a5 in QEventLoop::exec (this=this at entry=0x7fffffffd930,
flags=...) at kernel/qeventloop.cpp:204
#24 0x00007ffff5c4cb79 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#25 0x00007ffff617837c in QApplication::exec () at kernel/qapplication.cpp:3828
#26 0x0000000000402d18 in main (argc=<optimized out>, argv=<optimized out>) at
../../kmail/main.cpp:146
""

Reproducible: Always

Steps to Reproduce:
1. Start kmail
2. Select a folder with emails
3. Begin typing in the quick search field
Actual Results:  
A crash is observed

Expected Results:  
I think kmail2 (or baloo) should gracefully handle the situation where the
database doesn't exist and most certainly not crash.

BTW, how do I create the database? :)

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