python / python/cpython

ThreadPoolExecutor with wait=True shuts down too early

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3.8 (EOL) stdlib
Dominant language
Python
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Description

BPO 40093
Nosy @fireattack, @gaoxinge

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-03-27.23:21:42.924>
labels = ['3.8', 'library']
title = 'ThreadPoolExecutor with wait=True shuts down too early'
updated_at = <Date 2020-04-16.08:29:21.191>
user = 'https://github.com/fireattack'

bugs.python.org fields:

activity = <Date 2020-04-16.08:29:21.191>
actor = 'fireattack'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-03-27.23:21:42.924>
creator = 'fireattack'
dependencies = []
files = []
hgrepos = []
issue_num = 40093
keywords = []
message_count = 7.0
messages = ['365194', '365259', '365261', '365269', '365270', '365298', '366582']
nosy_count = 2.0
nosy_names = ['fireattack', 'gaoxinge']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue40093'
versions = ['Python 3.8']

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the ThreadPoolExecutor entry point and the wait=True shutdown path in Python's standard library Lib component. Reproduce the reported early-shutdown behavior on Python 3.8, then use the library's existing tests to define a fix that prevents shutdown before expected work completes.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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