QT QML/C++；退出时应用程序崩溃 我有一个QML/C++混合应用，它相当复杂，后台有几个线程更新数据。一切工作都完美无缺，但当我使某个ListView可见、填充它然后退出应用程序时，调试器会在以下位置中断，并出现断言失败： QDeclarativeAbstractBinding::~QDeclarativeAbstractBinding() { Q_ASSERT(m_prevBinding == 0); //<---- THIS GUY IS THE OFFENDING LINE Q_ASSERT(m_mePtr == 0); } qdeclarativeastractbinding:：~qdeclarativeastractbinding（） { qyAsReSt（MyPrimulink＝0）；//QTCORDED4.DLL！QtyMasaGeLead输出（QtMsgType msgType，const char *BUF）2270行C++ qtCordE4.4.dll！qtyMead（QtMsgType msgType，const char *MSG，char *ap）行2328 +0x12字节C++ QTCORDE4.4.DLL！q致命（const char *MSG，…）行2511 +0xf字节C++ qtCordE4.4.dll！qtyAsvt（conchchar *断言，const char文件，int行）行2027 +0x16字节C++ Qt声明：4.dll！q声明：C++：293行+0x1e字节C++ qtRealvest.4.dll！qQualTestVC++ qtRealValdv4.4.dll！'Eh vector析构函数迭代器'（Valu**PTR，无符号int大小，int计数，空隙（空隙*）*PDOTR）+0x6b字节C++ qtCurraveDe4.dll！qQualTestVC++编译：私有：：绑定：：“vector删除析构函数”（++0x26字节C++） qtRealvest.4.dll！qQualTestVoCube绑定：：~qQualQuestEvCopeIdBug（）行274 +0x33字节C++ qtRealvest.4.dll！qQualTestVoCube绑定：：“标量删除析构函数”（++0xf字节C++） qtRealValdV4.4.DLL！qExalpRealEfCuff::RelaseEo（）行66 +0x20字节C++ qtCurraveDe4.dll！qQualTestVC++ QtRealDave4.4.DLL！QQualTiVIEDATA：：销毁（QObjt*对象）1000 C++ QtRealDave4.4.DLL！QualQualVIEDATA:：销毁（QExcExtEvestVeDATA *D，QObjultO）463行C++ QtCORDIE4.DLL！QObj:::QObjutt（）行860 +0x11字节C++ qt声明：4.dll！q声明AtdiaTaimim::~QualEngestActudiAtimimId（）94行+0x2a字节C++ qdValualVIED.4.DLL！qQualTestFrimePrimeFix::~QualQualTyPrimePyfTimeId（）1827行+0x8字节C++ Qt声明：4.dll！q声明：90：+QuestTrimeEngEnter（）：行+0xf字节C++ qdCalpDave4.4.dll！qExalestyBuy::QualPurialVelue:：“标量删除析构函数”（++0xf字节C++） QtCORDIE4.DLL！QObjtPoC::DeleTeEngEnter（）1949行+0x24字节C++ QtCORDIE4.DLL！QObj:::QObjutt（）947行C++ qtValueDave4.dll！q声明转换：：~q声明（168）+0x9字节C++ Qt声明：4.dll！q声明：90：+QuestTrimeEngEnter（）：行+0xf字节C++ qdCalpDave4.4.dll！qExalestyBuy::QualPurialVelue:：“标量删除析构函数”（++0xf字节C++） QtCORDIE4.DLL！QObjtPoC::DeleTeEngEnter（）1949行+0x24字节C++ QtCORDIE4.DLL！QObj:::QObjutt（）947行C++ qtGuu4.dll！qGraceCsObj::~qGraceCsObjultOffice（+0x48字节）C++ qdValueVIED.4.DLL！qRealTestEvIt:：~Q声明（）行1504 +0x1f字节C++ qdValueDave4.dll！q声明AtPurristCurn::~QualQualTestExchange（）+0xf字节C++ Qt声明：4.dll！q声明：90：+QuestTrimeEngEnter（）：行+0xf字节C++ qdCalpDave4.4.dll！qExalestyBuy::QualPurialVelue:：“标量删除析构函数”（++0xf字节C++） qtRealValdV4.4.DLL！QQualTestVIEWIEWORKION:：~QualQueVIEVIEW（135）+0x67字节C++ qtCalpDave4.4.DLL！qQualTestVIEWC++私有：：“标量删除析构函数”（++0xf字节C++） QTCORDE4.4.DLL！qStopePoTeleDelt:：清除（QObjutDATA *指针）行62 +0x20字节C++ QtCORDIE4.DLL！qStimePosith::~qSistDePoTeTo（）行100 +0x9字节C++ QtCORDIE4.DLL！QObj:::QObjutt（）行963 +0x12字节C++ qtGuu4.dll！qWIDGET：：~qWigGET（）行1620 +0x25字节C++ qtGuu4.dll！qFr::~qFrm（）行242 +0x8字节C++ qtGuu4.dll！qExctualScReal:::QExcActScReReAsA（）行526 +0xf字节C++ qtGuu4.dll！qGraceCVIEW::~qGraceCVIEW（）行1165 +0xf字节C++ qdValueDave4.dll！qQualTestVIEW：：~ qQualTestVIEWW（）300行+0x9字节C++ MyAptudio.exe！Q声明：：“标量删除析构函数”（++0x10字节C++） QtCORDIE4.DLL！QObjtPoC::DeleTeEngEnter（）1949行+0x24字节C++ qtGuu4.dll！qWIDGET：：~qWigGET（）1602行C++ qtGuu4.dll！qMeNelk::~qMunWistWOW（）行389 +0x22字节C++ MyAptudio.exe！主窗口：：~主窗口（）77行+0x66字节C++ MyAptudio.exe！主窗口：：“标量删除析构函数”（++0xf字节C++） MyAptudio.exe！Booo:：CuffKeDelDelphi（主窗口*X）行34 +0x21字节C++ MyAptudio.exe！Booo:：详细信息：SPONCOUNTIDYMPIXP:：：Debug（）行78 +0xC字节C++ MyAptudio.exe！Booo:：细节：SPONCOUNTHEXBASE:：RelaseE.（103）C++ MyAptudio.exe！Booo:：细节：SyrdyCalt::~ SyrdAdCuth.（）221行C++ MyAptudio.exe！Booo:：SyrdYPPT:：~~ SyddpPrTySe（+xx12字节C++） MyAptudio.exe！Booo:：SyrdYPPT::ReSeET（）387 C++ MyAptudio.exe！68（C++的主代码（int ARCC，char **ARGV） MyAptudio.exe！WINMIN（HINSTANSYS**实例，HINSTANSYS**PREFIVE，CHAR*YAULRADION，INTCMDSKE）行131 +0x12字节C++ MyApplication.exe！\uu tmainCRTStartup（）行547+0x2c字节C MyApplication.exe！WinMainCRTStartup（）行371 C 内核32.dll@BaseThreadInitThunk@12（）+0x12字节 ntdll.dll___RtlUserThreadStart@8（）+0x27字节 ntdll.dll__RtlUserThreadStart@8（）+0x1b字节
编辑： 问题是：QT QML/C++；退出时应用程序崩溃 我有一个QML/C++混合应用，它相当复杂，后台有几个线程更新数据。一切工作都完美无缺，但当我使某个ListView可见、填充它然后退出应用程序时，调试器会在以下位置中断，并出现断言失败： QDeclarativeAbstractBinding::~QDeclarativeAbstractBinding() { Q_ASSERT(m_prevBinding == 0); //<---- THIS GUY IS THE OFFENDING LINE Q_ASSERT(m_mePtr == 0); } qdeclarativeastractbinding:：~qdeclarativeastractbinding（） { qyAsReSt（MyPrimulink＝0）；//QTCORDED4.DLL！QtyMasaGeLead输出（QtMsgType msgType，const char *BUF）2270行C++ qtCordE4.4.dll！qtyMead（QtMsgType msgType，const char *MSG，char *ap）行2328 +0x12字节C++ QTCORDE4.4.DLL！q致命（const char *MSG，…）行2511 +0xf字节C++ qtCordE4.4.dll！qtyAsvt（conchchar *断言，const char文件，int行）行2027 +0x16字节C++ Qt声明：4.dll！q声明：C++：293行+0x1e字节C++ qtRealvest.4.dll！qQualTestVC++ qtRealValdv4.4.dll！'Eh vector析构函数迭代器'（Valu**PTR，无符号int大小，int计数，空隙（空隙*）*PDOTR）+0x6b字节C++ qtCurraveDe4.dll！qQualTestVC++编译：私有：：绑定：：“vector删除析构函数”（++0x26字节C++） qtRealvest.4.dll！qQualTestVoCube绑定：：~qQualQuestEvCopeIdBug（）行274 +0x33字节C++ qtRealvest.4.dll！qQualTestVoCube绑定：：“标量删除析构函数”（++0xf字节C++） qtRealValdV4.4.DLL！qExalpRealEfCuff::RelaseEo（）行66 +0x20字节C++ qtCurraveDe4.dll！qQualTestVC++ QtRealDave4.4.DLL！QQualTiVIEDATA：：销毁（QObjt*对象）1000 C++ QtRealDave4.4.DLL！QualQualVIEDATA:：销毁（QExcExtEvestVeDATA *D，QObjultO）463行C++ QtCORDIE4.DLL！QObj:::QObjutt（）行860 +0x11字节C++ qt声明：4.dll！q声明AtdiaTaimim::~QualEngestActudiAtimimId（）94行+0x2a字节C++ qdValualVIED.4.DLL！qQualTestFrimePrimeFix::~QualQualTyPrimePyfTimeId（）1827行+0x8字节C++ Qt声明：4.dll！q声明：90：+QuestTrimeEngEnter（）：行+0xf字节C++ qdCalpDave4.4.dll！qExalestyBuy::QualPurialVelue:：“标量删除析构函数”（++0xf字节C++） QtCORDIE4.DLL！QObjtPoC::DeleTeEngEnter（）1949行+0x24字节C++ QtCORDIE4.DLL！QObj:::QObjutt（）947行C++ qtValueDave4.dll！q声明转换：：~q声明（168）+0x9字节C++ Qt声明：4.dll！q声明：90：+QuestTrimeEngEnter（）：行+0xf字节C++ qdCalpDave4.4.dll！qExalestyBuy::QualPurialVelue:：“标量删除析构函数”（++0xf字节C++） QtCORDIE4.DLL！QObjtPoC::DeleTeEngEnter（）1949行+0x24字节C++ QtCORDIE4.DLL！QObj:::QObjutt（）947行C++ qtGuu4.dll！qGraceCsObj::~qGraceCsObjultOffice（+0x48字节）C++ qdValueVIED.4.DLL！qRealTestEvIt:：~Q声明（）行1504 +0x1f字节C++ qdValueDave4.dll！q声明AtPurristCurn::~QualQualTestExchange（）+0xf字节C++ Qt声明：4.dll！q声明：90：+QuestTrimeEngEnter（）：行+0xf字节C++ qdCalpDave4.4.dll！qExalestyBuy::QualPurialVelue:：“标量删除析构函数”（++0xf字节C++） qtRealValdV4.4.DLL！QQualTestVIEWIEWORKION:：~QualQueVIEVIEW（135）+0x67字节C++ qtCalpDave4.4.DLL！qQualTestVIEWC++私有：：“标量删除析构函数”（++0xf字节C++） QTCORDE4.4.DLL！qStopePoTeleDelt:：清除（QObjutDATA *指针）行62 +0x20字节C++ QtCORDIE4.DLL！qStimePosith::~qSistDePoTeTo（）行100 +0x9字节C++ QtCORDIE4.DLL！QObj:::QObjutt（）行963 +0x12字节C++ qtGuu4.dll！qWIDGET：：~qWigGET（）行1620 +0x25字节C++ qtGuu4.dll！qFr::~qFrm（）行242 +0x8字节C++ qtGuu4.dll！qExctualScReal:::QExcActScReReAsA（）行526 +0xf字节C++ qtGuu4.dll！qGraceCVIEW::~qGraceCVIEW（）行1165 +0xf字节C++ qdValueDave4.dll！qQualTestVIEW：：~ qQualTestVIEWW（）300行+0x9字节C++ MyAptudio.exe！Q声明：：“标量删除析构函数”（++0x10字节C++） QtCORDIE4.DLL！QObjtPoC::DeleTeEngEnter（）1949行+0x24字节C++ qtGuu4.dll！qWIDGET：：~qWigGET（）1602行C++ qtGuu4.dll！qMeNelk::~qMunWistWOW（）行389 +0x22字节C++ MyAptudio.exe！主窗口：：~主窗口（）77行+0x66字节C++ MyAptudio.exe！主窗口：：“标量删除析构函数”（++0xf字节C++） MyAptudio.exe！Booo:：CuffKeDelDelphi（主窗口*X）行34 +0x21字节C++ MyAptudio.exe！Booo:：详细信息：SPONCOUNTIDYMPIXP:：：Debug（）行78 +0xC字节C++ MyAptudio.exe！Booo:：细节：SPONCOUNTHEXBASE:：RelaseE.（103）C++ MyAptudio.exe！Booo:：细节：SyrdyCalt::~ SyrdAdCuth.（）221行C++ MyAptudio.exe！Booo:：SyrdYPPT:：~~ SyddpPrTySe（+xx12字节C++） MyAptudio.exe！Booo:：SyrdYPPT::ReSeET（）387 C++ MyAptudio.exe！68（C++的主代码（int ARCC，char **ARGV） MyAptudio.exe！WINMIN（HINSTANSYS**实例，HINSTANSYS**PREFIVE，CHAR*YAULRADION，INTCMDSKE）行131 +0x12字节C++ MyApplication.exe！\uu tmainCRTStartup（）行547+0x2c字节C MyApplication.exe！WinMainCRTStartup（）行371 C 内核32.dll@BaseThreadInitThunk@12（）+0x12字节 ntdll.dll___RtlUserThreadStart@8（）+0x27字节 ntdll.dll__RtlUserThreadStart@8（）+0x1b字节,c++,qt,assertion,qml,qt-quick,C++,Qt,Assertion,Qml,Qt Quick,编辑： 问题是： 如何消除此问题？我的代码可能有什么问题？没有关于如何发生此问题的信息。很难知道发生了什么 > QtCored4.dll!qt_message_output(QtMsgType msgType, const char * buf) Line 2270 C++ QtCored4.dll!qt_message(QtMsgType msgType, const char * msg, char * ap) Line 2328 + 0x12 bytes C++
如何消除此问题？我的代码可能有什么问题？没有关于如何发生此问题的信息。很难知道发生了什么
> QtCored4.dll!qt_message_output(QtMsgType msgType, const char * buf) Line 2270 C++
QtCored4.dll!qt_message(QtMsgType msgType, const char * msg, char * ap) Line 2328 + 0x12 bytes C++
QtCored4.dll!qFatal(const char * msg, ...) Line 2511 + 0xf bytes C++
QtCored4.dll!qt_assert(const char * assertion, const char * file, int line) Line 2027 + 0x16 bytes C++
QtDeclaratived4.dll!QDeclarativeAbstractBinding::~QDeclarativeAbstractBinding() Line 293 + 0x1e bytes C++
QtDeclaratived4.dll!QDeclarativeCompiledBindingsPrivate::Binding::~Binding() + 0x3d bytes C++
QtDeclaratived4.dll!`eh vector destructor iterator'(void * ptr, unsigned int size, int count, void (void *)* pDtor) + 0x6b bytes C++
QtDeclaratived4.dll!QDeclarativeCompiledBindingsPrivate::Binding::`vector deleting destructor'() + 0x26 bytes C++
QtDeclaratived4.dll!QDeclarativeCompiledBindings::~QDeclarativeCompiledBindings() Line 274 + 0x33 bytes C++
QtDeclaratived4.dll!QDeclarativeCompiledBindings::`scalar deleting destructor'() + 0xf bytes C++
QtDeclaratived4.dll!QDeclarativeRefCount::release() Line 66 + 0x20 bytes C++
QtDeclaratived4.dll!QDeclarativeCompiledBindingsPrivate::Binding::destroy() Line 328 C++
QtDeclaratived4.dll!QDeclarativeData::destroyed(QObject * object) Line 1000 C++
QtDeclaratived4.dll!QDeclarativeData::destroyed(QAbstractDeclarativeData * d, QObject * o) Line 463 C++
QtCored4.dll!QObject::~QObject() Line 860 + 0x11 bytes C++
QtDeclaratived4.dll!QDeclarativeAbstractAnimation::~QDeclarativeAbstractAnimation() Line 94 + 0x2a bytes C++
QtDeclaratived4.dll!QDeclarativePropertyAnimation::~QDeclarativePropertyAnimation() Line 1827 + 0x8 bytes C++
QtDeclaratived4.dll!QDeclarativePrivate::QDeclarativeElement<QDeclarativePropertyAnimation>::~QDeclarativeElement<QDeclarativePropertyAnimation>() Line 90 + 0xf bytes C++
QtDeclaratived4.dll!QDeclarativePrivate::QDeclarativeElement<QDeclarativePropertyAnimation>::`scalar deleting destructor'() + 0xf bytes C++
QtCored4.dll!QObjectPrivate::deleteChildren() Line 1949 + 0x24 bytes C++
QtCored4.dll!QObject::~QObject() Line 947 C++
QtDeclaratived4.dll!QDeclarativeTransition::~QDeclarativeTransition() Line 168 + 0x9 bytes C++
QtDeclaratived4.dll!QDeclarativePrivate::QDeclarativeElement<QDeclarativeTransition>::~QDeclarativeElement<QDeclarativeTransition>() Line 90 + 0xf bytes C++
QtDeclaratived4.dll!QDeclarativePrivate::QDeclarativeElement<QDeclarativeTransition>::`scalar deleting destructor'() + 0xf bytes C++
QtCored4.dll!QObjectPrivate::deleteChildren() Line 1949 + 0x24 bytes C++
QtCored4.dll!QObject::~QObject() Line 947 C++
QtGuid4.dll!QGraphicsObject::~QGraphicsObject() + 0x48 bytes C++
QtDeclaratived4.dll!QDeclarativeItem::~QDeclarativeItem() Line 1504 + 0x1f bytes C++
QtDeclaratived4.dll!QDeclarativeRectangle::~QDeclarativeRectangle() + 0xf bytes C++
QtDeclaratived4.dll!QDeclarativePrivate::QDeclarativeElement<QDeclarativeRectangle>::~QDeclarativeElement<QDeclarativeRectangle>() Line 90 + 0xf bytes C++
QtDeclaratived4.dll!QDeclarativePrivate::QDeclarativeElement<QDeclarativeRectangle>::`scalar deleting destructor'() + 0xf bytes C++
QtDeclaratived4.dll!QDeclarativeViewPrivate::~QDeclarativeViewPrivate() Line 135 + 0x67 bytes C++
QtDeclaratived4.dll!QDeclarativeViewPrivate::`scalar deleting destructor'() + 0xf bytes C++
QtCored4.dll!QScopedPointerDeleter<QObjectData>::cleanup(QObjectData * pointer) Line 62 + 0x20 bytes C++
QtCored4.dll!QScopedPointer<QObjectData,QScopedPointerDeleter<QObjectData> >::~QScopedPointer<QObjectData,QScopedPointerDeleter<QObjectData> >() Line 100 + 0x9 bytes C++
QtCored4.dll!QObject::~QObject() Line 963 + 0x12 bytes C++
QtGuid4.dll!QWidget::~QWidget() Line 1620 + 0x25 bytes C++
QtGuid4.dll!QFrame::~QFrame() Line 242 + 0x8 bytes C++
QtGuid4.dll!QAbstractScrollArea::~QAbstractScrollArea() Line 526 + 0xf bytes C++
QtGuid4.dll!QGraphicsView::~QGraphicsView() Line 1165 + 0xf bytes C++
QtDeclaratived4.dll!QDeclarativeView::~QDeclarativeView() Line 300 + 0x9 bytes C++
MyApplication.exe!QDeclarativeView::`scalar deleting destructor'() + 0x10 bytes C++
QtCored4.dll!QObjectPrivate::deleteChildren() Line 1949 + 0x24 bytes C++
QtGuid4.dll!QWidget::~QWidget() Line 1602 C++
QtGuid4.dll!QMainWindow::~QMainWindow() Line 389 + 0x22 bytes C++
MyApplication.exe!MainWindow::~MainWindow() Line 77 + 0x66 bytes C++
MyApplication.exe!MainWindow::`scalar deleting destructor'() + 0xf bytes C++
MyApplication.exe!boost::checked_delete<MainWindow>(MainWindow * x) Line 34 + 0x21 bytes C++
MyApplication.exe!boost::detail::sp_counted_impl_p<MainWindow>::dispose() Line 78 + 0xc bytes C++
MyApplication.exe!boost::detail::sp_counted_base::release() Line 103 C++
MyApplication.exe!boost::detail::shared_count::~shared_count() Line 221 C++
MyApplication.exe!boost::shared_ptr<MainWindow>::~shared_ptr<MainWindow>() + 0x12 bytes C++
MyApplication.exe!boost::shared_ptr<MainWindow>::reset() Line 387 C++
MyApplication.exe!main(int argc, char * * argv) Line 68 C++
MyApplication.exe!WinMain(HINSTANCE__ * instance, HINSTANCE__ * prevInstance, char * __formal, int cmdShow) Line 131 + 0x12 bytes C++
MyApplication.exe!__tmainCRTStartup() Line 547 + 0x2c bytes C
MyApplication.exe!WinMainCRTStartup() Line 371 C
kernel32.dll!@BaseThreadInitThunk@12() + 0x12 bytes
ntdll.dll!___RtlUserThreadStart@8() + 0x27 bytes
ntdll.dll!__RtlUserThreadStart@8() + 0x1b bytes