[Interest] big trouble with QCoreApplication

[Mike Chinander]

Are you running it from QtCreator or on the command line? On the command
line, what is the output of:

ldd yourapplicationname

Are there any mismatched versions of Qt libraries (or any missing
libraries)?

On Sat, Apr 9, 2016 at 5:33 PM, Freddy Martinez <freddy311082 at gmail.com>
wrote:

> Hi Andy,  the output for the qt version qdebug is
>
> Qt compile version: 5.5.1
> Qt runtime version: 5.5.1
>
> But, it doesn’t have any sense that the QCoreApplication constructor give
> me a segfault, at less for me…
>
> regards
>
> =============================================
> "El tamaño de tus logros depende del tamaño de tus metas."
> C++ and Qt Senior Developer
> B.S. Computer Science
> Buenos Aires, Argentina
>
> On Apr 9, 2016, at 7:04 PM, Andy <asmaloney at gmail.com> wrote:
>
> Freddy:
>
> What you are suggesting about Qt versions sounds likely.
>
> To see what versions are being used, you could try outputting the version
> used to compile and the runtime version in main() like this:
>
>    qDebug().noquote() << "Qt compile version:" << QT_VERSION_STR;
>    qDebug().noquote() << "Qt runtime version:" << qVersion();
>
>
>
> ---
> Andy Maloney  //  https://asmaloney.com
> twitter ~ @asmaloney <https://twitter.com/asmaloney>
>
>
> On Sat, Apr 9, 2016 at 5:44 PM, Freddy Martinez <freddy311082 at gmail.com>
> wrote:
>
>> Hi Mike, and thanks for your answer….
>>
>> I had sent you a print screen, as you could see, the line 63 is
>>
>> QCoreApplication a(argc,argv)
>>
>> the only thing I suppose  that it’s happend is that in /usr/lib/x86_64/ I
>> have other qt5 libraries installed but for qt 5.4.2 version… maybe when I’m
>> trying to run the application is crahsed because is linking against 5.4.2
>> and I’m compiling with 5.5.1.
>>
>> I had download the offline installer and i had create a Qt folder on my
>> home directory, there I had installed Qt 5.5.1…
>>
>> that is my environment
>>
>> any advise ?
>>
>> regards
>>
>> <Screen Shot 2016-04-09 at 6.38.07 PM.png>
>>
>>
>>
>> =============================================
>> "El tamaño de tus logros depende del tamaño de tus metas."
>> C++ and Qt Senior Developer
>> B.S. Computer Science
>> Buenos Aires, Argentina
>>
>> On Apr 9, 2016, at 6:32 PM, Mike Chinander <chinander at gmail.com> wrote:
>>
>> What's on line 63 of main.cpp?
>>
>> On Sat, Apr 9, 2016 at 4:18 PM, Freddy Martinez <freddy311082 at gmail.com>
>> wrote:
>>
>>> Hi guys..
>>>
>>> I’ve Kubuntu 15.10 and I’m working with qt 5.5.1…
>>>
>>> this is may main.cpp
>>>
>>> int main(int argc, char *argv[])
>>>
>>> {
>>>
>>>     QCoreApplication a(argc, argv);
>>>
>>>
>>>     if (!checkConfigurationFiles())
>>>
>>>     {
>>>
>>>         qDebug()<<"Unable to start server.";
>>>
>>>
>>>         return 1;
>>>
>>>     }
>>>
>>>
>>>     QSettings* settings = new QSettings(qApp->applicationDirPath()+"/config/server.ini",QSettings::IniFormat);
>>>
>>>
>>>     QString lastError;
>>>
>>>
>>>     NautamServer nautamServer(settings);
>>>
>>>
>>>     ConsoleLoggerFactory loggerFactory;
>>>
>>>
>>>     loggerFactory.setSettings(settings);
>>>
>>>
>>>     nautamServer.setLoggerFactory(&loggerFactory);
>>>
>>>
>>>     if (!nautamServer.startServer(lastError))
>>>
>>>         qDebug()<<"Last error :"<<lastError;
>>>
>>>
>>>     return a.exec();
>>>
>>> }
>>>
>>>
>>> the problem is taht i’m gettirn segmentation fault in the first line of
>>> the main function as you’ll see in the stack as folowed:
>>>
>>> #0  0x00007ffff37616e7 in QOpenGLContext::create() () from
>>> /home/freddy/Qt5.5.1/5.5/gcc_64/lib/libQt5Gui.so.5
>>> #1  0x00007fffe9b1d9bd in QtWebEngine::initialize() () from
>>> /home/freddy/Qt5.5.1/5.5/gcc_64/lib/libQt5WebEngine.so.5
>>> #2  0x00007ffff4f63688 in QCoreApplication::init() () from
>>> /home/freddy/Qt5.5.1/5.5/gcc_64/lib/libQt5Core.so.5
>>> #3  0x00007ffff4f63b05 in QCoreApplication::QCoreApplication(int&,
>>> char**, int) () from /home/freddy/Qt5.5.1/5.5/gcc_64/lib/libQt5Core.so.5
>>> #4  0x000000000044935b in main (argc=1, argv=0x7fffffffdea8) at
>>> ../../nautam-kernel/nautam-server/main.cpp:63
>>>
>>> well guys, I really don’t know what happend and I don’t have any idea
>>> about what is wrong
>>>
>>> can you help me please?
>>>
>>> regards
>>>
>>>
>>> =============================================
>>> "El tamaño de tus logros depende del tamaño de tus metas."
>>> C++ and Qt Senior Developer
>>> B.S. Computer Science
>>> Buenos Aires, Argentina
>>>
>>>
>>> _______________________________________________
>>> Interest mailing list
>>> Interest at qt-project.org
>>> http://lists.qt-project.org/mailman/listinfo/interest
>>>
>>>
>> _______________________________________________
>> Interest mailing list
>> Interest at qt-project.org
>> http://lists.qt-project.org/mailman/listinfo/interest
>>
>>
>>
>> _______________________________________________
>> Interest mailing list
>> Interest at qt-project.org
>> http://lists.qt-project.org/mailman/listinfo/interest
>>
>>
> _______________________________________________
> Interest mailing list
> Interest at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/interest
>
>
>
> _______________________________________________
> Interest mailing list
> Interest at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/interest
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.qt-project.org/pipermail/interest/attachments/20160409/2f005f9b/attachment.html>