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Ricky

How to debug Cura Engine in debugger

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I can't help you with Cura 15.04.x (because I don't have any experience developing for it), but I recently found out how to launch CuraEngine in gdb in connection with a running instance of Cura.

 

* Start Cura with the command-line option --external-backend

python3 cura_app.py --external-backend

* In the output, look for a line like this:

[MainThread] UM.Backend.Backend._createSocket [242]: Listening for backend connections on 49674

* Launch CuraEngine manually in gdb, connecting on that port:

gdb --args CuraEngine connect 127.0.0.1:49674

 

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