[Interest] Crash when creating QNetworkAccessManager in qt 5.14.x
maitai at virtual-winds.org
Tue Feb 4 10:30:39 CET 2020
What do you mean by dynamic allocation versus static? In our app all our
libs are linked statically, all qt libs are dynamics, I cannot change
Le 04-02-2020 09:07, coroberti . a écrit :
> Dear Philippe,
> Try to change dynamic allocation to static and if the matters come to
> there's some memory corruption as my experience.
> Kind regards,
> Robert Iakobashvili
> On Tue, Feb 4, 2020 at 10:02 AM maitai <maitai at virtual-winds.org>
>> Hi all,
>> While the mail list was broken I did some further experiments:
>> If I move the creation of QNetworkAccessManager into main.cpp, it also
>> crashes, but only if I put it after QApplication app(argc, argv);
>> The funny part being that if I create a QneworkAccessManager before
>> just delete it, then my regular QNetworkAccessManager instantiated in
>> MainWindow does not crash anymore.
>> So my workaround is in main.cpp:
>> QNetworkAccessManager *inet = new QNetworkAccessManager();
>> QApplication app(argc, argv);
>> delete inet;
>> And then all is back to OK.
>> I have tried to reproduce that in a small sample but failed. I have
>> build a small app with the same qt modules, the same linked libraries,
>> running in the same directory, but failed to reproduce it.
>> Any idea about what can go wrong here?
>> Le 01-02-2020 20:11, maitai a écrit :
>> > Hi all
>> > I am trying to upgrade from qt5.13.2/MSVC2017 to Qt5.14.1/MSVC2017
>> > In 5.14.1 (and 0) app is crashing on "QNetWorkAccessManager
>> > *inetManager = new QNetWorkAccessManager()", while all is OK in
>> > previous Qt versions
>> > I cannot debug this on Windows. I have removed all old dlls etc
>> > (including SSL ones) in the directory where app is running. Obviously
>> > something is wrong on my side since I cannot believe
>> > QNetworkAccessManager is broken in Qt5.14.x/Windows..
>> > Any idea?
>> > _______________________________________________
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>> > Interest at qt-project.org
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