[Qt-interest] Debugging for QT

Atlant Schmidt aschmidt at dekaresearch.com
Mon May 16 12:54:10 CEST 2011


Jaco, et al.:

> I think that appears when you construct a QFile without
> specifying a file name and then use it.

  And this can, of course, happen implicitly as your application
  tries to do things like set images or animations into labels and
  the like.

                                        Atlant

________________________________
From: qt-interest-bounces+aschmidt=dekaresearch.com at qt.nokia.com [mailto:qt-interest-bounces+aschmidt=dekaresearch.com at qt.nokia.com] On Behalf Of Jaco Naude
Sent: Monday, May 16, 2011 03:25
To: yogesh upreti
Cc: qt-interest at qt.nokia.com
Subject: Re: [Qt-interest] Debugging for QT

The first part of your message has nothing to do with the crash:
QFSFileEngine::open: No file name specified

I think that appears when you construct a QFile without specifying a file name and then use it.

The second part tells you that you try to access items outside of the scope of a list. Normal debugging and stepping through the code should show you where it happens.

Cheers,
Jaco

On Mon, May 16, 2011 at 7:10 AM, yogesh upreti <yogesh.upreti at gmail.com<mailto:yogesh.upreti at gmail.com>> wrote:

Dear Group,
I have a problem in running my programme.
It terminates with runtime error and I am not able to find the problem.

When I run in QtCreator in Debugging mode, I get
Debugging starts

QFSFileEngine::open: No file name specified

ASSERT failure in QList<T>::at: "index out of range", file u:/crash/scripts/win_tools/qt/2010.05/qt/include/QtCore/../../src/corelib/tools/qlist.h, line 455

Invalid parameter passed to C runtime function.

Invalid parameter passed to C runtime function.

Debugging has finished




 But I am not able to see where this error is coming from?

Any suggetion how should I debug the program using Qtcreator or any other method??

Thanks in advance
Yogesh Upreti

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