[Qgis-developer] QGIS crashes when stopping editing mode

[Boehnke, Christian]

Hi everybody,

QGIS crashes when discarding all changes made to a vector layer.

I'm writing a plugin to access and modify the attribute table while the layer is in editing mode. When starting the editing mode, I change the attribute values for each new feature with the coordinates from canvas and other given information. When the editing mode stops without saving anything, QGIS crashes giving me a hint with a dump file. The error message is attached (sorry, that it is in german).

I use QGIS 2.8.1 on Windows 8 Pro, 64-bit. My QGIS is in 32-bit to deal with databases. Find attached my minimal python script.

Do you have any ideas how to solve this problem?

Thank you
Christian Böhnke

PS: Curiosly, a few minutes ago it took QGIS 4 times to crash, when discarding all changes to my vector layer. At the fifth time, it crashed.
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