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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Random Access Violations on shutdown","articleBody":"### Environment\r\n\r\n-   Pythonnet version: 3.0.0.post1\r\n-   Python version: 3.8.10\r\n-   Operating System: Windows 11\r\n-   .NET Runtime: .NET Framework 472\r\n\r\n### Details\r\n\r\n-   Describe what you were trying to get done.\r\n\r\n    I am getting random access violations during shutdown in pythonnet. The issue can be re-produced with a C# function as simple as\r\n\r\npublic static int Add(int a, int b) =\u003e a + b;\r\n\r\nI get the access violation; however, it is not deterministic at all. Some times, it succeeds as expected, other times I get this. Note that I am upgrading from pythonnet 2.5.2 to pythonnet 3.0.0.post1 so this code used to work. All I am doing is invoking this code from python. I am running this python code that uses pythonnet in pytest. I haven't seen this when we were using pythonnet 2.5.2.\r\n\r\n-   If there was a crash, please include the traceback here.\r\n\r\n```python\r\nUnhandled Exception: System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.\r\n   at Python.Runtime.Runtime.PyObject_TYPE(BorrowedReference op)\r\n   at Python.Runtime.Runtime.NullGCHandles(IEnumerable`1 objects)\r\n   at Python.Runtime.Runtime.TryCollectingGarbage(Int32 runs, Boolean forceBreakLoops)\r\n   at Python.Runtime.Runtime.Shutdown()\r\n   at Python.Runtime.PythonEngine.Shutdown()\r\n   at Python.Runtime.Loader.Shutdown(IntPtr data, Int32 size)\r\n```\r\n","author":{"url":"https://github.com/rohanjain101","@type":"Person","name":"rohanjain101"},"datePublished":"2022-10-18T00:54:24.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":40},"url":"https://github.com/1977/pythonnet/issues/1977"}