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QtCreator: Can't find C++ debugger

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  • M mvuori

    @ad1170 said in QtCreator: Can't find C++ debugger:

    Yes, you are right but this was not a problem. I'm using the NDK r16b since at least 4 or 6 weeks and the debugging has worked even with the r16b NDK.

    That doesn't prove anything. There may have been a configuration conflict that may have caused everything to work correctly... One part of software reliability is that systems do not produce problems at one point, even if there is no apparent change made by the use.

    ad1170A Offline
    ad1170A Offline
    ad1170
    wrote on last edited by
    #8

    @mvuori said in QtCreator: Can't find C++ debugger:

    @ad1170 said in QtCreator: Can't find C++ debugger:

    Yes, you are right but this was not a problem. I'm using the NDK r16b since at least 4 or 6 weeks and the debugging has worked even with the r16b NDK.

    That doesn't prove anything. There may have been a configuration conflict that may have caused everything to work correctly... One part of software reliability is that systems do not produce problems at one point, even if there is no apparent change made by the use.

    I have rebuild the app using NDK 10e and try to debug, but the result is the same.

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    • ad1170A Offline
      ad1170A Offline
      ad1170
      wrote on last edited by ad1170
      #9

      Meanwhile i have found the problem. The QtCreator 4.6.1 does not work with android debugging (at least for me).
      The issue is the same on Linux. I have installed the QtCreator 4.6.0-rc1 and the android debugging is now possible again. I'm wondering that no one has this issue. The QtCreator 4.6.1 is already released for a few days.

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #10

        Glad you found a workaround and thanks for sharing !

        4.6.1 being pretty new, you might be the first to hit that. You should check the bug report system to see if there's something related.

        The release notes might give you some clue about what has changed.

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

        ad1170A 1 Reply Last reply
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        • SGaistS SGaist

          Glad you found a workaround and thanks for sharing !

          4.6.1 being pretty new, you might be the first to hit that. You should check the bug report system to see if there's something related.

          The release notes might give you some clue about what has changed.

          ad1170A Offline
          ad1170A Offline
          ad1170
          wrote on last edited by ad1170
          #11

          @SGaist said in QtCreator: Can't find C++ debugger:

          Glad you found a workaround and thanks for sharing !

          4.6.1 being pretty new, you might be the first to hit that. You should check the bug report system to see if there's something related.

          The release notes might give you some clue about what has changed.

          Already done... (https://bugreports.qt.io/browse/QTCREATORBUG-20403)

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #12

            Thanks, you should also add the SDK/NDK version you have on your system and that you tested several of them.

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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            • SR__S Offline
              SR__S Offline
              SR__
              wrote on last edited by SR__
              #13

              @ad1170 Sadly, you're not the only one experiencing this problem… https://bugreports.qt.io/browse/QTCREATORBUG-20379
              Hum, actually it is not exactly the same problem, as the debugger starts in the bug I've linked. But I do have the "Can't find C++ debugger." problem.
              Well, should not take long before it is fixed, as Bogdan has promised it : https://www.kdab.com/perfect-debugging-experience-with-qtcreator-on-android/ ;-)

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              • E Offline
                E Offline
                ebonnett
                wrote on last edited by
                #14

                Sadly is right. I've got an app that's days away from release and I can't debug. I've been suffering with this problem for months and NOBODY can help. Qt's debugging mechanism is flakey at best and I've very sorry the uppers didn't listen to me and go with Xamarin. I know this isn't the best way to get people to try to help but this sucks. Really sucks. It's unacceptable and there seem to be no options.

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #15

                  Did you test the latest versions of Qt Creator ?
                  Did you update the bug report with new information if your situation is different ?

                  Interested in AI ? www.idiap.ch
                  Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                  E 1 Reply Last reply
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                  • SGaistS SGaist

                    Did you test the latest versions of Qt Creator ?
                    Did you update the bug report with new information if your situation is different ?

                    E Offline
                    E Offline
                    ebonnett
                    wrote on last edited by ebonnett
                    #16

                    @SGaist I am on the latest (4.6.2). However my debugger problems have been persistent through upgrades. To be clear, when I started using Qt, my Nexus 6P worked and my Note 4 worked. Then something (not sure what because it's been months) happened and my Nexus 6P stopped working. I think it was an Android update. All of a sudden I started getting an very descriptive error (I'm being facetious here): Connecting to remote server failed:
                    Remote communication error. Target disconnected.: No error.

                    So I stuck to debugging on the Note 4. But that is problematic too because it takes between 15 -25 seconds to step over or into. Then I upgraded to 4.6.1 and all of a sudden I started getting the error listed above (Can't find C++ debugger). Well, the debugger is there. So, I uninstalled everything: NDK, SDK, Windows SDK, Qt Creator... (multiple times) and followed the Qt documentation, installing everything over, paying extra attention to recommended versions and such. Now I'm on 4.6.2 and 5.11. Still the same. It's very frustrating as you can tell by my post.

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #17

                      I completely understand. From what you wrote, it seems that an update to Android started to break things.

                      You may have an unusual setup or maybe a combo of hardware/software that hasn't been encountered before. Ranting here won't help as this forum is not monitored by Qt developers. You should rather add these informations to the related bug report(s). That would help get things fixed more quickly.

                      Interested in AI ? www.idiap.ch
                      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                      • V Offline
                        V Offline
                        Vega4
                        wrote on last edited by
                        #18

                        Replying to this old topic BUT..

                        As soon as we've installed Android Emulator for API 30 through the SDK manager, this error now begins to pop-up even when targeting hardware devices thus we are able to debug nothing. And note that API is now the min. required. NDK 21.3.6

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