[Qt-interest] QNetworkAccessManager warning
Iñigo Illán Aranburu
kodeport at terra.es
Tue Jan 26 23:45:22 CET 2010
I think you should try deleting netManager on the destructor.
El mar, 26-01-2010 a las 23:31 +0100, Tr3wory escribió:
> It's empty.
>
> I found another interesting thing: if I wait more than 1 minute after
> the finished(QNetworkReply*) signal, then I don't get the message when
> the program is exiting.
>
> tr3w
>
> On Tue, Jan 26, 2010 at 11:14 PM, Iñigo Illán <kodeport at terra.es> wrote:
> > I think it could help if you also provide us the destructor of the class.
> >
> >
> > El mar, 26-01-2010 a las 22:28 +0100, Tr3wory escribió:
> >
> > Hi!
> >
> > Recently I switched my project from 4.5.2 to 4.6.1.
> > After that I always got a "QWaitCondition: Destroyed while threads are
> > still waiting" message when my program was exiting.
> >
> > I used QHttp to download a png from the net. If I removed it then the
> > message disappeared.
> >
> > Because the QHttp is obsolete I switched to QNetworAcessManager. But I
> > still get the message.
> >
> > Do you have any idea?
> >
> > Code:
> > QUrl url=tr("http://example.com/example.png");
> >
> > QNetworkAccessManager* netManager=new QNetworkAccessManager(this);
> >
> > connect(netManager,SIGNAL(finished(QNetworkReply*)),this,SLOT(onNetworkReplyFinished(QNetworkReply*)));
> > netManager->get(QNetworkRequest(url));
> > ...
> >
> > void MainWindow::onNetworkReplyFinished(QNetworkReply* reply)
> > {
> > if (reply->error()==QNetworkReply::NoError &&
> > m_banner.loadFromData(reply->readAll()) && m_mainMenu)
> > m_mainMenu->addBanner(m_banner);
> >
> > reply->deleteLater();
> > }
> >
> > Stack:
> > ...
> > 5 qWarning qglobal.cpp 2378 0x6a10e59d
> > 6 ~QWaitCondition qwaitcondition_win.cpp 155 0x6a115c90
> > 7 ~QThreadPoolPrivate qthreadpool_p.h 69 0x6a264afd
> > 8 QScopedPointerDeleter<QObjectData>::cleanup qscopedpointer.h 62 0x6a267f0a
> > 9 ~QScopedPointer qscopedpointer.h 100 0x6a25e9f1
> > 10 ~QObject qobject.cpp 992 0x6a20cbf8
> > 11 ~QThreadPool qthreadpool.cpp 430 0x6a10d72e
> > 12 ~QHostInfoLookupManager qhostinfo.cpp 454 0x6804ef50
> > 13 ~QGlobalStaticDeleter qglobal.h 1799 0x6809592f
> > 14 __tcf_0 qhostinfo.cpp 64 0x6804df5e
> > 15 __dll_exit C:\Qt\4.6.1\bin\QtNetworkd4.dll 0 0x6800102f
> > 16 DllMainCRTStartup at 12 C:\Qt\4.6.1\bin\QtNetworkd4.dll 0 0x680010f5
> > 17 ntdll!LdrSetAppCompatDllRedirectionC
> > allback C:\WINDOWS\system32\ntdll.dll 0 0x7c9011a7
> > 18 ?? 0 0x68000000
> > 19 ?? 0 0x00000000
> >
> > System:
> > Windows XP, MinGW 4.4, Qt 4.6.1
> >
> >
> > tr3w
> > _______________________________________________
> > Qt-interest mailing list
> > Qt-interest at trolltech.com
> > http://lists.trolltech.com/mailman/listinfo/qt-interest
> >
> >
>
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