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Message #07723
[Bug 803774] Re: Saving, loading simulation with erased bodies crash.
For futur readers, including myself: it seems a "if (p)" before a "p->"
would help...
#7 0x00007ffcc32a6941 in *__GI___assert_fail (assertion=0x7ffcbb0eff24 "px != 0", file=<value optimized out>, line=418, function=0x7ffcbb113240 "T* boost::shared_ptr< <template-parameter-1-1> >::operator->() const [with T = Body]") at assert.c:81
#8 0x00007ffcbaec0d63 in boost::shared_ptr<Body>::operator-> (this=0x2197670) at /usr/include/boost/smart_ptr/shared_ptr.hpp:418
#9 0x00007ffcbae641d1 in InteractionContainer::clear (this=0x2197f60) at /home/francoisk/yade/core/InteractionContainer.cpp:32
#10 0x00007ffcbae6535c in InteractionContainer::postLoad__calledFromScene (this=0x2197f60, bb=...) at /home/francoisk/yade/core/InteractionContainer.cpp:158
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https://bugs.launchpad.net/bugs/803774
Title:
Saving, loading simulation with erased bodies crash.
Status in Yet Another Dynamic Engine:
New
Bug description:
Here is the bug :
- launch yade (for example without any script)
- add a sphere : O.bodies.append(utils.sphere((0.2,0.2,0.2),0.006))
- delete it : O.bodies.erase(0)
- save yade's universe : O.save("./test")
- quit yade
- launch yade
- load the file : O.load("./test")
->segmentation fault
I think it's because when you erase something the size of O.bodies (etc...) doesn't change and now contains an empty value. (the c++ array may not be dynamic ?)
So when the O.load() function is called, yade try to load a non-existant body ?
Maybe this can be fixed by changing the load() method ?
I joined the debug output.
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