I've so far only tried within my application, but I'm aware it would be easier if I could reproduce it outside. Even simplifying the context within the application has proved difficult though, so I suspect this will be hard. But I can try a bit more...
The file isn't "large" by production standards, only by test data standards. It's about 500kb and not at all deeply nested, basically a long list of dictionaries. But I don't seem to be able to reduce it further either. /Geoff On Fri, Oct 4, 2019 at 9:53 PM Chris Angelico <ros...@gmail.com> wrote: > On Sat, Oct 5, 2019 at 5:38 AM Geoff Bache <geoff.ba...@gmail.com> wrote: > > > > Hi all, > > > > We are running Python embedded in our C++ product and are now > experiencing > > crashes (access violation reading 0xffffffffff on Windows) in the Python > > garbage collector. > > > > We got this on Python 3.6.4 originally, but I can reproduce it with both > > Python 3.6.8 and Python 3.7.4. > > > > The chances of producing a minimal example that reproduces it reliably > are > > currently small I would say. All attempts to simplify the set up seem to > > cause the problem to go away. > > Indeed I can only reproduce it by sending a fairly large amount of data 2 > > or 3 times to our server - sending either half of the data does not > > reproduce it. > > Have you tried to reproduce the issue outside of your application? > Even if it means creating a gigantic Python script with a whopping > triple-quoted string for the input data, it'd be helpful to try this. > If you CAN repro the problem, it'd be way easier to diagnose (since we > don't need your code, just your test case); and if you CAN'T, it may > mean an issue with the embedding aspects. > > What's your definition of "fairly large" here? How many > kilobytes/megabytes/gigabytes, and how deeply nested is the JSON > object? > > ChrisA > -- > https://mail.python.org/mailman/listinfo/python-list > -- https://mail.python.org/mailman/listinfo/python-list
