Shutdown errors in dev

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#788 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
django, python
Domain
observability

Research direction

Start with scout_apm/core/init.py and scout_apm/core/agent/socket.py, then inspect scout_apm/core/threading.py around the calls shown in the traceback. Reproduce the shutdown during a server reload or django-admin command on Python 3.12; done means shutdown no longer emits the interpreter-shutdown stacktrace.

Written by the indexing model from the issue text.

Description

Python 3.12, scout_apm_python 3.1.0
Looks like there are instances where the Core Agent doesn't quite shut down gracefully. I've seen this happen during server reloads as well as django-admin commands (which is probably a different question altogether). This might not be a problem, exactly, but it spews stacktraces.

Exception ignored in atexit callback: <function shutdown at 0x104ed9bc0>
Traceback (most recent call last):
  File "...lib/python3.12/site-packages/scout_apm/core/__init__.py", line 92, in shutdown
    CoreAgentSocketThread.wait_until_drained(
  File "...lib/python3.12/site-packages/scout_apm/core/agent/socket.py", line 62, in wait_until_drained
    cls.ensure_started()
  File "...lib/python3.12/site-packages/scout_apm/core/threading.py", line 23, in ensure_started
    cls._instance.start()
  File "...lib/python3.12/threading.py", line 992, in start
    _start_new_thread(self._bootstrap, ())
RuntimeError: can't create new thread at interpreter shutdown
Dominant language
Python
Stars
77
Forks
19
Avg merge
1d 9h
Merged PRs (30d)
5

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