Review Request 111052: Prevent CustomBuildSystem from crashes

Andreas Pakulat apaku at gmx.de
Mon Jun 17 18:27:56 UTC 2013



> On June 17, 2013, 6:42 a.m., Andreas Pakulat wrote:
> > Can you post a backtrace? I don't see why these changes would be necessary except when there's a bug elsewhere. Why does kdelibs assert on reading from non-existing groups and why does it work just fine without the assert's enabled? This sounds like a kdelibs bug.
> 
> Aleix Pol Gonzalez wrote:
>     If you really want backtraces I can provide them, but at a quick glance to the KConfigGroup you can see many of those:
>     Q_ASSERT_X(isValid(), "KConfigGroup::config", "accessing an invalid group");

Yes I'd like to see a backtrace. In particular I'd like to know what exactly is invalid and why it is invalid. IMO the usage of a class called KConfigGroup that is there looks fine, so I think that there's either a bug elsewhere in our code or KConfigGroup is badly designed. I'd just like to verify what it is before applying a workaround (or maybe even move this to kdelibs to adjust the asserts if they're not needed at all).


- Andreas


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On June 17, 2013, 12:20 a.m., Aleix Pol Gonzalez wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/111052/
> -----------------------------------------------------------
> 
> (Updated June 17, 2013, 12:20 a.m.)
> 
> 
> Review request for KDevelop and Andreas Pakulat.
> 
> 
> Description
> -------
> 
> Well, I decided to give the CustomBuildSystem a try to develop a non-cmake project. It was crashing all the time because the configuration wasn't initialized and I got crashes because of usage of invalid KConfigGroup. I guess other people are not hitting this because their kdelibs is not compiled in debug and they don't get crashes on Q_ASSERT.
> 
> This patch only has changes to letting me work with it but I didn't put much attention on it. Still I'd like if Andreas could look into this and see what's the best solution-
> 
> 
> Diffs
> -----
> 
>   projectmanagers/custom-buildsystem/custombuildjob.cpp 84ac8c2 
>   projectmanagers/custom-buildsystem/custombuildsystemplugin.cpp 3d47dba 
> 
> Diff: http://git.reviewboard.kde.org/r/111052/diff/
> 
> 
> Testing
> -------
> 
> Managed to use it a bit, not much.
> 
> 
> Thanks,
> 
> Aleix Pol Gonzalez
> 
>

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