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QWebEngineView issue

  • Trying to get work properly QWebEngineView widget.
    Need to display webpage in kinda embedded browser in my app.

    From the beginning everything works fine.
    I test view with url.
    Widget shows page, I can input, click on buttons for search, etc.
    But after some time widget seems to crash.
    It shows empty window instead of web page.

    I've got such log output:

    [9428:10292:1007/] Client waiting on non-existent sync token The thread 0x13f0 has exited with code 0 (0x0).

    What can I do to fix this?

    I use Qt 5.13.1 version and Visual Studio 2019.

    Here is the source code:

    webView = new QWebEngineView(this);
    webView->setGeometry(QRect(QPoint(0, 200), QSize(this->width(), this->height() - 200)));

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