Details
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Bug
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Resolution: Done
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Not Evaluated
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None
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1.19.2
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None
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Qt 5.15.0, macOS m1 11.5.2
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macOS
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389301dffd0ba7e02fa110aab7237296f5925f7e (qbs/qbs/1.20)
Description
I'm aware of some bugs related to qmlcache and inline components in 5.15.0. This one isn't reproducible under qmake (.pro file attached).
There are 2 conditions:
1. Your qml filename must match the name of some component from Qt package (like ToolBar from QtQuick.Controls 2).
2. This qml file must include inline component.
The QBS built attached example stuck on second run, view doesn't get displayed. Removing qmlcache fixes it for one time.
The qmake built example gets displayed on any run.
Talking about the real project, we get crash in qml thread on loading the view:
Thread 33 Crashed:: QQmlThread 0 org.qt-project.QtQml 0x000000010e9d60f1 QQmlTypeData::buildTypeResolutionCaches(QQmlRefPointer<QQmlTypeNameCache>*, QV4::ResolvedTypeReferenceMap*) const + 2129 1 org.qt-project.QtQml 0x000000010e9d3dcc QQmlTypeData::done() + 2156 2 org.qt-project.QtQml 0x000000010e9c7bd1 QQmlDataBlob::tryDone() + 65 3 org.qt-project.QtQml 0x000000010ea23f55 QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) + 149 4 org.qt-project.QtQml 0x000000010ea2378b QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) + 107 5 org.qt-project.QtQml 0x000000010ea235c2 QQmlTypeLoader::loadThread(QQmlDataBlob*) + 338 6 org.qt-project.QtQml 0x000000010ea22e8c void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) + 60 7 org.qt-project.QtQml 0x000000010ea26d5a QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) + 442 8 org.qt-project.QtQml 0x000000010e9d8c23 QQmlTypeData::resolveTypes() + 2435 9 org.qt-project.QtQml 0x000000010e9d8217 QQmlTypeData::allDependenciesDone() + 615 10 org.qt-project.QtQml 0x000000010ea23f1c QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) + 92 11 org.qt-project.QtQml 0x000000010ea2378b QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) + 107 12 org.qt-project.QtQml 0x000000010ea235c2 QQmlTypeLoader::loadThread(QQmlDataBlob*) + 338 13 org.qt-project.QtQml 0x000000010ea22e8c void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) + 60 14 org.qt-project.QtQml 0x000000010ea26d5a QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) + 442 15 org.qt-project.QtQml 0x000000010e9d8c23 QQmlTypeData::resolveTypes() + 2435 16 org.qt-project.QtQml 0x000000010e9d8217 QQmlTypeData::allDependenciesDone() + 615 17 org.qt-project.QtQml 0x000000010ea23f1c QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) + 92 18 org.qt-project.QtQml 0x000000010ea2378b QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) + 107 19 org.qt-project.QtQml 0x000000010ea235c2 QQmlTypeLoader::loadThread(QQmlDataBlob*) + 338 20 org.qt-project.QtQml 0x000000010e9e1ec2 QQmlTypeLoaderThread::loadThread(QQmlDataBlob*) + 18 21 org.qt-project.QtQml 0x000000010ea9a882 QQmlThreadPrivate::threadEvent() + 98 22 org.qt-project.QtQml 0x000000010ea9a810 QQmlThreadPrivate::event(QEvent*) + 32 23 org.qt-project.QtWidgets 0x000000010f84440c QApplicationPrivate::notify_helper(QObject*, QEvent*) + 268 24 org.qt-project.QtWidgets 0x000000010f8458ac QApplication::notify(QObject*, QEvent*) + 588 25 org.qt-project.QtCore 0x000000010be89fd4 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 212 26 org.qt-project.QtCore 0x000000010be8b277 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 759 27 org.qt-project.QtCore 0x000000010beed4b9 QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 73 28 org.qt-project.QtCore 0x000000010be85fff QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 431 29 org.qt-project.QtCore 0x000000010bcb3e03 QThread::exec() + 131 30 org.qt-project.QtQml 0x000000010ea9a929 QQmlThreadPrivate::run() + 57 31 org.qt-project.QtCore 0x000000010bcb4e19 QThreadPrivate::start(void*) + 329 32 libsystem_pthread.dylib 0x00007fff203e68fc _pthread_start + 224 33 libsystem_pthread.dylib 0x00007fff203e2443 thread_start + 15
Found similar stacktrace (https://bugreports.qt.io/browse/QTBUG-92236), but the last function is different. Haven't found crashes and bugs related to QQmlTypeData::buildTypeResolutionCaches.