Celery beat not starting EOFError('Ran out of input')
Question: Everything worked perfectly fine until:

    
    
    celery beat v3.1.18 (Cipater) is starting.
    __    -    ... __   -        _
    Configuration ->
        . broker -> amqp://user:**@staging-api.user-app.com:5672//
        . loader -> celery.loaders.app.AppLoader
        . scheduler -> celery.beat.PersistentScheduler
        . db -> /tmp/beat.db
        . logfile -> [stderr]@%INFO
        . maxinterval -> now (0s)
    [2015-09-25 17:29:24,453: INFO/MainProcess] beat: Starting...
    [2015-09-25 17:29:24,457: CRITICAL/MainProcess] beat raised exception <class 'EOFError'>: EOFError('Ran out of input',)
    Traceback (most recent call last):
      File "/home/user/staging/venv/lib/python3.4/site-packages/kombu/utils/__init__.py", line 320, in __get__
        return obj.__dict__[self.__name__]
    KeyError: 'scheduler'
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
      File "/usr/local/lib/python3.4/shelve.py", line 111, in __getitem__
        value = self.cache[key]
    KeyError: 'entries'
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
      File "/home/user/staging/venv/lib/python3.4/site-packages/celery/apps/beat.py", line 112, in start_scheduler
        beat.start()
      File "/home/user/staging/venv/lib/python3.4/site-packages/celery/beat.py", line 454, in start
        humanize_seconds(self.scheduler.max_interval))
      File "/home/user/staging/venv/lib/python3.4/site-packages/kombu/utils/__init__.py", line 322, in __get__
        value = obj.__dict__[self.__name__] = self.__get(obj)
      File "/home/user/staging/venv/lib/python3.4/site-packages/celery/beat.py", line 494, in scheduler
        return self.get_scheduler()
      File "/home/user/staging/venv/lib/python3.4/site-packages/celery/beat.py", line 489, in get_scheduler
        lazy=lazy)
      File "/home/user/staging/venv/lib/python3.4/site-packages/celery/utils/imports.py", line 53, in instantiate
        return symbol_by_name(name)(*args, **kwargs)
      File "/home/user/staging/venv/lib/python3.4/site-packages/celery/beat.py", line 358, in __init__
        Scheduler.__init__(self, *args, **kwargs)
      File "/home/user/staging/venv/lib/python3.4/site-packages/celery/beat.py", line 185, in __init__
        self.setup_schedule()
      File "/home/user/staging/venv/lib/python3.4/site-packages/celery/beat.py", line 377, in setup_schedule
        self._store['entries']
      File "/usr/local/lib/python3.4/shelve.py", line 114, in __getitem__
        value = Unpickler(f).load()
    EOFError: Ran out of input
    

What is this?


Answer: I've deleted my `celerybeat-schedule` files and it solved my problem.

<https://github.com/celery/kombu/issues/516>

