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  1. Qt
  2. QTBUG-99767

[5.15.7 -> 5.15.8] Bluetooth error: Make sure 'QHash<QLowEnergyHandle,QLowEnergyServicePrivate::CharData>' is registered using qRegisterMetaType()

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    • Windows
    • 2
    • ca0c8f9f4a (qt/tqtc-qtconnectivity/5.15)
    • Team One Foundation Sprint 51

    Description

      Starting from 5.15.8 bluetooth reports an issue with connect when trying to access device characteristics e.g. in the lowenergyscanner example:

      QObject::connect: Cannot queue arguments of type 'QHash<QLowEnergyHandle,QLowEnergyServicePrivate::CharData>'
(Make sure 'QHash<QLowEnergyHandle,QLowEnergyServicePrivate::CharData>' is registered using qRegisterMetaType().)

      and no characteristics are found. The same problem does not occur in 5.15.7.

      Steps to reproduce the problem:

      1. build & start lowenergyscanner
      2. click search
      3. click on any device
      4. click on any service

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-102248 QBluetooth low energy discovering details on Windows cannot connect signals

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-100464 Missing meta type registrations

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; Flaky tests; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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              ivan.solovev Ivan Solovev
              miikapernu Miika Pernu
              Vladimir Minenko Vladimir Minenko
              Alex Blasche Alex Blasche
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                Resolved:

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