[Uml-devel] [Bug 174397] Going back in Command History after deleting a datatype causes crash
ralf.habacker at freenet.de
Thu Dec 1 07:23:22 UTC 2011
--- Comment #9 from Ralf Habacker <ralf habacker freenet de> 2011-12-01 07:23:22 ---
The problem is that the related widget point to by m_widget has been destroyed.
A breakpoint in UMLWidget destructor shows that the object has been deleted by
a DeferedDelete event probably initiated by a call to deleteLater().
deleteLater() is used in
void UMLView::removeWidget(UMLWidget * o)
probably initiated by the following method.
// Suppress the UMLObject
UMLDoc *doc = UMLApp::app()->document();
m_obj is a reference to the real UMLObject, see
so when the the real object is destroyed, the reference points to nomansland.
No idea yet how to solve this problem.
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