芹菜死于DBPageNotFoundError [英] Celery dies with DBPageNotFoundError

问题描述

我有3台由芹菜工人和Rabbitmq作为经纪人的机器，一个工人正在运行拍子标记，所有这些都由主管管理，有时芹菜因这种错误而死。
该错误仅出现在拍子上，但出现时，所有机器上的工人死亡。
（芹菜== 3.1.12，海带== 3.0.20）

I have 3 machines with celery workers and rabbitmq as a broker, one worker is running with beat flag, all of this is managed by supervisor, and sometimes celery dies with such error. This error appears only on beat worker, but when it appears, workers on all machines dies. (celery==3.1.12, kombu==3.0.20)

[2014-07-05 08:37:04,297: INFO/MainProcess] Connected to amqp://user:**@192.168.15.106:5672//
[2014-07-05 08:37:04,311: ERROR/Beat] Process Beat
Traceback (most recent call last):
File "/var/projects/env/local/lib/python2.7/site-packages/billiard/process.py", line 292, in _bootstrap
self.run()
File "/var/projects/env/local/lib/python2.7/site-packages/celery/beat.py", line 527, in run
self.service.start(embedded_process=True)
File "/var/projects/env/local/lib/python2.7/site-packages/celery/beat.py", line 453, in start
humanize_seconds(self.scheduler.max_interval))
File "/var/projects/env/local/lib/python2.7/site-packages/kombu/utils/__init__.py", line 322, in __get__
value = obj.__dict__[self.__name__] = self.__get(obj)
File "/var/projects/env/local/lib/python2.7/site-packages/celery/beat.py", line 491, in scheduler
return self.get_scheduler()
File "/var/projects/env/local/lib/python2.7/site-packages/celery/beat.py", line 486, in get_scheduler
lazy=lazy)
File "/var/projects/env/local/lib/python2.7/site-packages/celery/utils/imports.py", line 53, in instantiate
return symbol_by_name(name)(*args, **kwargs)
File "/var/projects/env/local/lib/python2.7/site-packages/celery/beat.py", line 357, in __init__
Scheduler.__init__(self, *args, **kwargs)
File "/var/projects/env/local/lib/python2.7/site-packages/celery/beat.py", line 184, in __init__
self.setup_schedule()
File "/var/projects/env/local/lib/python2.7/site-packages/celery/beat.py", line 376, in setup_schedule
self._store['entries']
File "/usr/lib/python2.7/shelve.py", line 121, in __getitem__
f = StringIO(self.dict[key])
File "/usr/lib/python2.7/bsddb/__init__.py", line 270, in __getitem__
return _DeadlockWrap(lambda: self.db[key])  # self.db[key]
File "/usr/lib/python2.7/bsddb/dbutils.py", line 68, in DeadlockWrap
return function(*_args, **_kwargs)
File "/usr/lib/python2.7/bsddb/__init__.py", line 270, in <lambda>
return _DeadlockWrap(lambda: self.db[key])  # self.db[key]
DBPageNotFoundError: (-30985, 'DB_PAGE_NOTFOUND: Requested page not found')

推荐答案

我遇到了这个问题，原因是数据库文件已损坏（通常名为 celerybeat时间表）。
解决方案是删除现有的db文件并重新启动该过程。

I've ran into this issue and the cause was a corrupted db file (usually named "celerybeat-schedule"). Solution would be to delete the existing db file and restart the process.

Relavent：bsddb.db.DBPageNotFoundError
https://mail.python.org/pipermail/python-list/2009-October/554552 .html

Relavent:bsddb.db.DBPageNotFoundError https://mail.python.org/pipermail/python-list/2009-October/554552.html

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