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"takes ownership of widget" - What is really happenning?

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  • Christian EhrlicherC Christian Ehrlicher

    Why should it? Is my explanation and the Qt documentation about QObject parent - child relationship that bad?

    H Offline
    H Offline
    hbatalha
    wrote on last edited by
    #6

    @Christian-Ehrlicher no, not at all. that was just my disappointment since I haven't yet found the cause for my app to freeze when closing it.

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    • Christian EhrlicherC Online
      Christian EhrlicherC Online
      Christian Ehrlicher
      Lifetime Qt Champion
      wrote on last edited by
      #7

      Did you already tried to see something with the debugger?

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

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      • Christian EhrlicherC Christian Ehrlicher

        Did you already tried to see something with the debugger?

        H Offline
        H Offline
        hbatalha
        wrote on last edited by
        #8

        @Christian-Ehrlicher yeah but my app freezes randomly so it is very difficult.

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        • Christian EhrlicherC Online
          Christian EhrlicherC Online
          Christian Ehrlicher
          Lifetime Qt Champion
          wrote on last edited by
          #9

          When it freezes attach the debugger and see what's going on.

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

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          • Christian EhrlicherC Christian Ehrlicher

            When it freezes attach the debugger and see what's going on.

            H Offline
            H Offline
            hbatalha
            wrote on last edited by
            #10

            @Christian-Ehrlicher the problem is I will not know when it will freeze.

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            • Christian EhrlicherC Online
              Christian EhrlicherC Online
              Christian Ehrlicher
              Lifetime Qt Champion
              wrote on last edited by
              #11

              But when you see it - what's the problem attaching a debugger then?

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

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              • Christian EhrlicherC Christian Ehrlicher

                But when you see it - what's the problem attaching a debugger then?

                H Offline
                H Offline
                hbatalha
                wrote on last edited by
                #12

                @Christian-Ehrlicher as stated in the OP:

                PS: my debugger is not working properly(not getting the stack trace)

                But I got it working yesterday and since then my app haven't frozen when closing it after numerous tries yet. I will keep trying and when/if it does crash I will get back to you here.

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                • Christian EhrlicherC Christian Ehrlicher

                  But when you see it - what's the problem attaching a debugger then?

                  H Offline
                  H Offline
                  hbatalha
                  wrote on last edited by
                  #13

                  @Christian-Ehrlicher It just crashed when attached to debugger and I got this in the app output:

                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(1) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(2) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(3) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(4) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(5) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(6) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(7) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(8) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(9) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(10) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(11) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(12) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(13) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(14) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(15) tid(35258) 800706BA The RPC server is unavailable.
                  onecore\com\combase\dcomrem\call.cxx(4907)\combase.dll!00007FFD40813B4B: (caller: 00007FFD40814961) ReturnHr(16) tid(35258) 800706BA The RPC server is unavailable.
                  

                  I am g searching it, have no idea what they mean.

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                  • C Offline
                    C Offline
                    ChrisW67
                    wrote on last edited by
                    #14

                    Is that "onecore" reference anything to do with Xero?

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                    • C ChrisW67

                      Is that "onecore" reference anything to do with Xero?

                      H Offline
                      H Offline
                      hbatalha
                      wrote on last edited by
                      #15

                      @ChrisW67 I don't know. What is xero(in this context)?

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