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  1. Qt Creator
  2. QTCREATORBUG-4136

Rewriter crashes when quickly switching between files

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Details

    • Bug
    • Resolution: Done
    • P2: Important
    • Qt Creator 2.2.0
    • Qt Creator 2.2.0
    • Quick Designer
    • None
    • Linux (64 bit), also Mac OS X (64 bit)
    • 81177fab7b53e

    Description

      Open all files from $CREATORDIR/tests/manual/qml/testfiles/testfiles.qmlproject
      Switch to Design mode hit Ctrl+W until all editors are closed, and do that rapidly.

      Stacktrace:

      0	raise	/lib64/libc.so.6	0	0x7fa8f398dab5	
1	abort	/lib64/libc.so.6	0	0x7fa8f398efb6	
2	qt_message_output	qglobal.cpp	2282	0x7fa8f46ec1f8	
3	qt_message(QtMsgType, const char *, typedef __va_list_tag __va_list_tag *)	qglobal.cpp	2328	0x7fa8f46ec374	
4	qFatal	qglobal.cpp	2511	0x7fa8f46ecbe2	
5	qt_assert	qglobal.cpp	2027	0x7fa8f46ebdab	
6	QmlDesigner::RewriterView::rewriterEndTransaction	rewriterview.cpp	421	0x7fa8dd9e2961	
7	QmlDesigner::Internal::ModelPrivate::notifyRewriterEndTransaction	model.cpp	609	0x7fa8dda0537f	
8	QmlDesigner::AbstractView::emitRewriterEndTransaction	abstractview.cpp	423	0x7fa8dd9ca3f6	
9	QmlDesigner::RewriterTransaction::commit	rewritertransaction.cpp	64	0x7fa8dda696d2	
10	QmlDesigner::PropertyEditorTransaction::timerEvent	propertyeditortransaction.cpp	65	0x7fa8ddae27ac	
11	QObject::event	qobject.cpp	1181	0x7fa8f482e6eb	
12	QApplicationPrivate::notify_helper	qapplication.cpp	4462	0x7fa8f515bddc	
13	QApplication::notify	qapplication.cpp	3862	0x7fa8f5159400	
14	QCoreApplication::notifyInternal	qcoreapplication.cpp	731	0x7fa8f4815ebb	
15	QCoreApplication::sendEvent	qcoreapplication.h	215	0x7fa8f514ca17	
16	QTimerInfoList::activateTimers	qeventdispatcher_unix.cpp	604	0x7fa8f48522c5	
17	timerSourceDispatch	qeventdispatcher_glib.cpp	184	0x7fa8f484e50e	
18	g_main_context_dispatch	/lib64/libglib-2.0.so.0	0	0x7fa8f309cbd3	
19	??	/lib64/libglib-2.0.so.0	0	0x7fa8f309d3b0	
20	g_main_context_iteration	/lib64/libglib-2.0.so.0	0	0x7fa8f309d650	
...	<More>

      I augmented RewriterView::rewriterBeginTransaction, ::rewriterEndTransaction with some debugging output, and here is the log:

      Starting /home/kkoehne/dev/creator/bin/qtcreator...
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
Warning: Failed to open settings database at "/home/kkoehne/.config/Nokia/QtCreator.db" ("Driver not loaded")
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-8' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-9' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-10' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-11' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-12' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-13' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-14' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-15' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-16' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-17' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-18' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-19' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-20' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-21' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-22' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-23' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-24' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-25' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-26' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-27' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-28' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-29' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-30' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-31' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-32' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-33' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-34' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-35' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-36' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-37' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-38' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-39' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-40' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-41' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-42' is still in use, all queries will cease to work.
QSqlDatabase: QSQLITE driver not loaded
QSqlDatabase: available drivers: 
QSqlDatabasePrivate::removeDatabase: connection 'GetNamespaceName-6380256-43' is still in use, all queries will cease to work.
formLayerItem QGraphicsObject(0xd6c9e0, parent = 0x0, pos = QPointF(0, 0) , z =  1 , flags =  ( ) )  
manipulatorLayerItem QGraphicsObject(0x1ddeb50, parent = 0x0, pos = QPointF(0, 0) , z =  1 , flags =  ( ) )  
QmlDesigner: Log file is: "/tmp/qmldesigner-logger-2011-03-17T14-18-15-Z30777.txt" 
rewriterBeginTransaction QmlDesigner::RewriterView(0x1e72c70) 0 
QmlDesigner: Log file is: "/tmp/qmldesigner-logger-2011-03-17T14-18-18-X30777.txt" 
qrc:/stateseditor/stateslist.qml:136:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/baseState-4
QmlDesigner: Log file is: "/tmp/qmldesigner-logger-2011-03-17T14-18-19-B30777.txt" 
qrc:/stateseditor/stateslist.qml:136:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/baseState-5
QmlDesigner: Log file is: "/tmp/qmldesigner-logger-2011-03-17T14-18-20-h30777.txt" 
qrc:/stateseditor/stateslist.qml:136:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/baseState-6
qrc:/stateseditor/stateslist.qml:136:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/1-7
qrc:/stateseditor/stateslist.qml:136:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/4-8
QmlDesigner: Log file is: "/tmp/qmldesigner-logger-2011-03-17T14-18-20-N30777.txt" 
No default property for node type "QtQuick.ListModel" , ignoring child items. 
qrc:/stateseditor/stateslist.qml:136:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/baseState-9
QmlDesigner: Log file is: "/tmp/qmldesigner-logger-2011-03-17T14-18-21-l30777.txt" 
qrc:/stateseditor/stateslist.qml:136:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/baseState-10
rewriterEndTransaction QmlDesigner::RewriterView(0x7fa8cc0b2eb0) -1 
ASSERT: "transactionLevel >= 0" in file /home/kkoehne/dev/creator/src/plugins/qmldesigner/designercore/model/rewriterview.cpp, line 421
The program has unexpectedly finished.

      Note that the number of rewriterBeginTransaction, rewriterEndTransaction calls match, but the RewriterView object has changed.

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          Bug - A problem which impairs or prevents the functions of the product. QTCREATORBUG-4459 Crash when closing Bauhaus

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
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              kkohne Kai Köhne
              kkohne Kai Köhne
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                Updated:
                Resolved:

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