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  1. Qt
  2. QTBUG-57390

QNetworkAccessManager::finished and QNetworkReply::finished not called if network becomes inaccessible

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P3: Somewhat important P3: Somewhat important
    • None
    • 5.6.1
    • Network
    • None

      It is occurs on my MacBook pro, but looks like platform-independent error.

      1. Create QNetworkAccessManager

      QNetworkAccessManager networkManager;

      2. connect to it signal "finished":

      connect(&networkManager, &QNetworkAccessManager::finished, [](QNetworkReply *reply) {
    qDebug() << "got reply: " << reply;
});

      now start downloading some large file

      QNetworkReply *reply = networkManager->get(QNetworkRequest(QUrl("http://master.qt.io/archive/qt/5.2/5.2.1/single/qt-everywhere-opensource-src-5.2.1.zip)));
connect(reply, &QNetworkReply::finished, [](){ qDebug() << "current reply finished too!"; };

      and while it downloading - disable wifi connection on your laptop

      expected result: you get finished signal with an error.
      actual result: you don't receive finished signal;

        1. qnam_large_download.cpp
          0.8 kB
          David Faure
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            cnn Qt Core & Network
            ctin Konstantin
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              Created:
              Updated:

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