Issues

• spawn: functions defined in a script's __main__ can't be used as targets

  celery/billiard#469 · Filter by author RazerM opened on Oct 6, 2026

• SyntaxWarning: 'return' in a 'finally' block on Python 3.14

  celery/billiard#453 · Filter by author LorenzoGuideri opened on Aug 27, 2026
  1

• How to cleanly end processes in a Pool?

  celery/billiard#419 · Filter by author nedbat opened on Dec 27, 2024

• Could you please properly document the most important class of this package - Pool

  celery/billiard#418 · Filter by author dejlek opened on Dec 10, 2024

• return in finally can swallow exceptions

  celery/billiard#414 · Filter by author iritkatriel opened on Oct 22, 2024
  6

  

• Handling numpy

  celery/billiard#413 · Filter by author Hyul48 opened on Oct 18, 2024
  1

• Timeout arguments not working for everything except apply and apply_async

  celery/billiard#412 · Filter by author liepelt-cornelius opened on Sep 24, 2024

• WorkerLostError Handling

  celery/billiard#408 · Filter by author Santifire92 opened on Aug 8, 2024

• Use dill.dumps and dill.loads serialization instead of pickle

  celery/billiard#405 · Filter by author GregoirePelegrin opened on Jun 26, 2024

• Billiard hangs when exception is thrown in a finally block

  celery/billiard#402 · Filter by author cesar-cortez5 opened on Mar 8, 2024

• Long hangs when os.sysconf('SC_OPEN_MAX') is large

  celery/billiard#399 · Filter by author originalsouth opened on Jan 12, 2024

• Task randomly get stuck (between parent and child)

  celery/billiard#389 · Filter by author meensu23 opened on Jul 10, 2023

• Trouble with calling process

  celery/billiard#388 · Filter by author Emilianissimo opened on Apr 14, 2023

• TypeError when using soft_timeout or timeout on Pool

  celery/billiard#385 · Filter by author murrple-1 opened on Feb 17, 2023
  2

• Worker exited prematurely: signal 9 (SIGKILL) Job: 10.

  celery/billiard#380 · Filter by author arslandevpy opened on Nov 8, 2022

• Hard Timeout Triggers AttributeError on Windows

  celery/billiard#375 · Filter by author fedeesku opened on Sep 1, 2022
  1

• dynamic pool size with gnumake jobclient / jobserver

  celery/billiard#369 · Filter by author milahu opened on Jun 28, 2022

• 4.0.0: sphinx warnings (mainly reference target not found)

  celery/billiard#366 · Filter by author kloczek opened on Apr 24, 2022
  2

• Run integration test of GA CI

  celery/billiard#363 · Filter by author auvipy opened on Apr 23, 2022
  

• How to solve the race condition problem in Pool multiprocessing

  celery/billiard#357 · Filter by author jeffrey82221 opened on Mar 1, 2022

• TypeError: no default __reduce__ due to non-trivial __cinit__

  celery/billiard#356 · Filter by author emilhe opened on Jan 19, 2022

• Worker crashed with invalid file descriptor error when use with celery and gevent

  celery/billiard#355 · Filter by author justlovediaodiao opened on Jan 6, 2022
  1

• billiard.exceptions.WorkerLostError: Worker exited prematurely: exitcode 1

  Issue Type: Bug Report
  celery/billiard#370 · Filter by author shaMiaoMiao opened on Oct 14, 2021
  3

• billiard.Pool slower than multiprocessing.Pool

  celery/billiard#336 · Filter by author Abhinav-Aidash opened on Aug 23, 2021
  3

• 3.6.4.0 on python3.9: SemLock __exit__ throws '[WinError 6] The handle is invalid'

  celery/billiard#335 · Filter by author godojoe opened on Jun 16, 2021