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ASSERT failure in QList...

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  • sankarapandiyanS Offline
    sankarapandiyanS Offline
    sankarapandiyan
    wrote on last edited by sankarapandiyan
    #1

    I am facing this Error , Suggest me for getting out of this ...!

    ASSERT failure in QList<T>::at: "index out of range", file ../../Qt/5.10.1/gcc_64/include/QtCore/qlist.h, line 541
    22:53:22: The program has unexpectedly finished.
    22:53:22: The process was ended forcefully.

       QList<QSerialPortInfo> list;
              list = QSerialPortInfo::availablePorts();
    
              for (int i= 0; i < list.length(); i++)
              {
                ui->comboBox->addItem(list[i].portName());
              }
    
    
    1 Reply Last reply
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    • Christian EhrlicherC Offline
      Christian EhrlicherC Offline
      Christian Ehrlicher
      Lifetime Qt Champion
      wrote on last edited by
      #4

      https://doc.qt.io/qtcreator/creator-debug-mode.html

      Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
      Visit the Qt Academy at https://academy.qt.io/catalog

      sankarapandiyanS 1 Reply Last reply
      3
      • Christian EhrlicherC Offline
        Christian EhrlicherC Offline
        Christian Ehrlicher
        Lifetime Qt Champion
        wrote on last edited by
        #2

        The crash does not happen here. Take a look at the backtrace.

        Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
        Visit the Qt Academy at https://academy.qt.io/catalog

        sankarapandiyanS 1 Reply Last reply
        3
        • Christian EhrlicherC Christian Ehrlicher

          The crash does not happen here. Take a look at the backtrace.

          sankarapandiyanS Offline
          sankarapandiyanS Offline
          sankarapandiyan
          wrote on last edited by
          #3

          @Christian-Ehrlicher
          If i click the link (in the error message ) Could not open "../../Qt/5.10.1/gcc_64/include/QtCore/qlist.h" for reading. Either the file does not exist or you do not have the permissions to open it

          i am not able to open that file, Could yu say me how to do it

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          0
          • Christian EhrlicherC Offline
            Christian EhrlicherC Offline
            Christian Ehrlicher
            Lifetime Qt Champion
            wrote on last edited by
            #4

            https://doc.qt.io/qtcreator/creator-debug-mode.html

            Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
            Visit the Qt Academy at https://academy.qt.io/catalog

            sankarapandiyanS 1 Reply Last reply
            3
            • Christian EhrlicherC Christian Ehrlicher

              https://doc.qt.io/qtcreator/creator-debug-mode.html

              sankarapandiyanS Offline
              sankarapandiyanS Offline
              sankarapandiyan
              wrote on last edited by sankarapandiyan
              #5

              @Christian-Ehrlicher finally i got it why its came like this by the help of , @mrjj
              In my code

              if (LineToSend >= m_lines.size() ) { // check end of list // here i have gave like this. so ,now its works 
                      qDebug() << "end of list";
                      return;
                  }
              
              1 Reply Last reply
              1

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