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  1. Qt
  2. QTBUG-101682

QtWebAssembly: Uncaught exception when using QWebSocket::sendBinaryMessage() with threaded application

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Details

    • WebAssembly
    • b7fc0d54b8 (qt/qtwebsockets/dev) b7fc0d54b8 (qt/tqtc-qtwebsockets/dev) b7fc0d54b8 (qt/qtwebsockets/6.4) b7fc0d54b8 (qt/tqtc-qtwebsockets/6.4) b7fc0d54b8 (qt/qtwebsockets/6.4.0) b7fc0d54b8 (qt/qtwebsockets/6.4.1)

    Description

      When sending data with QWebSocket::sendBinaryMessage(), following error is thwon immediately:

      qwidget-login-test.worker.js:165 worker.js onmessage() captured an uncaught exception: TypeError: caller is not a function
onmessage @ qwidget-login-test.worker.js:165
qwidget-login-test.worker.js:166 TypeError: caller is not a function
at __emval_call_void_method (blob:http://localhost:30000/50e9e32f-cbb2-4c6f-b9ff-4b7f756d8de3:7646:7)
at QWebSocketPrivate::sendBinaryMessage(QByteArray const&) (qwidget-login-test.wasm)
at QWebSocket::sendBinaryMessage(QByteArray const&) (qwidget-login-test.wasm)
at CtiLib::sendRequest(QString const&, bool) (qwidget-login-test.wasm)
at CtiLib::sendAuth() (qwidget-login-test.wasm)
at CtiLib::handleConnection() (qwidget-login-test.wasm)
at QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (CtiLib::*)()>::call(void (CtiLib::*)(), CtiLib*, void**) (qwidget-login-test.wasm)
at void QtPrivate::FunctionPointer<void (CtiLib::*)()>::call<QtPrivate::List<>, void>(void (CtiLib::*)(), CtiLib*, void**) (qwidget-login-test.wasm)
at QtPrivate::QSlotObject<void (CtiLib::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (qwidget-login-test.wasm)
at QMetaCallEvent::placeMetaCall(QObject*) (qwidget-login-test.wasm)
onmessage @ qwidget-login-test.worker.js:166
qtloader.js:382 pthread sent an error! http://localhost:30000/qwidget-login-test.worker.js:167: Uncaught [object MessageEvent]
qwidget-login-test.worker.js:167 Uncaught MessageEvent

      This problem reproduces with a qtwebassembly build that has threads enabled. Does not reproduce with the prebuild qt kit.

      Attachments

        For Gerrit Dashboard: QTBUG-101682
        # Subject Branch Project Status CR V
        273376,23 wasm: Refactor to use websocket.h API dev qt/qtwebsockets Status: MERGED +2 0
        402590,1 wasm: Refactor to use websocket.h API tqtc/lts-5.15 qt/tqtc-qtwebsockets Status: ABANDONED 0 0

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          People

            lpotter Lorn Potter
            jussi_witick Jussi Witick
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            Dates

              Created:
              Updated:
              Resolved:

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