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  1. #1
    Join Date
    Mar 2011
    Posts
    8
    Thanked 3 Times in 3 Posts
    Qt products
    Qt4 Qt/Embedded
    Platforms
    Unix/X11 Symbian S60

    Default Fail to run own QDBusServer

    Hi,

    I am trying to start my own QDBusServer and connect some Applications to it. It seems that the server starts, but the connectToBus()-Method blocks and never returns.

    Here is the server code:

    Qt Code:
    1. int main(int argc, char **argv) {
    2. QCoreApplication a(argc, argv);
    3. new QDBusServer("unix:abstract=/home/ghalmaraz/dbussocket",&a);
    4. return a.exec();
    5. }
    To copy to clipboard, switch view to plain text mode 

    Afterwards:
    # export DBUS_SESSION_BUS_ADDRESS=unix:abstract=/home/ghalmaraz/dbussocket
    # qdbus
    shows no reaction (just blocking the terminal)
    The qdbusviewer-App blocks for a long time (about 20s), too. But then it starts and gives me the following error message:
    Error: Cannot connect to D-Bus: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
    In this moment the server produces output, too:
    QDBusConnectionPrivate::connectSignal: received error from D-Bus server while connecting signal to QDBusAbstractInterface::_q_serviceOwnerChanged(QSt ring,QString,QString): org.freedesktop.DBus.Error.Disconnected (Connection was disconnected before a reply was received)
    Can someone help me or knows an example for this issue?

    best regards
    ghal maraz

  2. #2
    Join Date
    Mar 2011
    Posts
    8
    Thanked 3 Times in 3 Posts
    Qt products
    Qt4 Qt/Embedded
    Platforms
    Unix/X11 Symbian S60

    Default Re: Fail to run own QDBusServer

    I found a bugreport with the description:

    QDBusServer has never really worked.
    I heared something similar for qt 4.3, but i could not imagine that this issue is still open and a unusable class
    is part of qt for so many versions.

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