No handlers could be found for logger "multiprocessing" about django-celery HOT 16 CLOSED

hmm. could you try with:

$ python manage.py celeryd --settings=settings -l info

from django-celery.

$ python manage.py celeryd --settings=settings -l info
WARNING  celery@Paul-PC v2.1.3 is starting.
WARNING  c:\Python26\lib\site-packages\celery\apps\worker.py:110: UserWarning: U
sing settings.DEBUG leads to a memory leak, never use this setting in a producti
on environment!
  warnings.warn("Using settings.DEBUG leads to a memory leak, "
WARNING  Configuration ->
    . broker -> amqp://guest@localhost:5672/
    . queues ->
        . celery -> exchange:celery (direct) binding:celery
    . concurrency -> 8
    . loader -> djcelery.loaders.DjangoLoader
    . logfile -> [stderr]@INFO
    . events -> OFF
    . beat -> OFF
    . tasks ->
WARNING  celery@Paul-PC has started.
ERROR    CarrotListener: Connection Error: [Errno 10061] No connection could be
made because the target machine actively refused it. Trying again in 2 seconds..
.
No handlers could be found for logger "multiprocessing"
No handlers could be found for logger "multiprocessing"
No handlers could be found for logger "multiprocessing"
No handlers could be found for logger "multiprocessing"
Process PoolWorker-5:
Traceback (most recent call last):
  File "c:\Python26\lib\multiprocessing\process.py", line 232, in _bootstrap
    self.run()
  File "c:\Python26\lib\multiprocessing\process.py", line 88, in run
    self._target(*self._args, **self._kwargs)
  File "c:\Python26\lib\site-packages\celery\concurrency\processes\pool.py", lin
e 106, in worker
    initializer(*initargs)
  File "c:\Python26\lib\site-packages\celery\worker\__init__.py", line 47, in pr
ocess_initializer
    current_loader().init_worker()
  File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 58, in init_
worker
    self.on_worker_init()
  File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 65, in on_worke
r_init
    autodiscover()
  File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 81, in autodisc
over
    for app in settings.INSTALLED_APPS])
  File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 91, in find_rel
ated_module
    app_path = importlib.import_module(app).__path__
  File "c:\Python26\lib\site-packages\importlib\__init__.py", line 37, in import
_module
    __import__(name)
ImportError: No module named mysite.fbgraphapi
No handlers could be found for logger "multiprocessing"
Process PoolWorker-6:
etc
etc

from django-celery.

Ok, so it's not an actual error? Just a warning?

from django-celery.

followed by (endlessly until breaking):
Traceback (most recent call last):
File "c:\Python26\lib\multiprocessing\process.py", line 232, in _bootstrap
self.run()
File "c:\Python26\lib\multiprocessing\process.py", line 88, in run
self.target(self.args, *self.kwargs)
P File "c:\Python26\lib\site-packages\celery\concurrency\processes\pool.py", li
ne 106, in worker
rocess PoolWorker-4:
N T initializer(*initargs)
o handlers could be found for logger "multiprocessing"
raceback (most recent call last):
File "c:\Python26\lib\site-packages\celery\worker__init.py", line 47, in pro
cess_initializer
File "c:\Python26\lib\multiprocessing\process.py", line 232, in bootstrap
current_loader().init_worker()
self.run()
File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 58, in init
worker
File "c:\Python26\lib\multiprocessing\process.py", line 88, in run
self.on_worker_init()
self.target(self.args, *self.kwargs)
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 65, in on_worker
init
autodiscover()
P rocess PoolWorker-1:
File "c:\Python26\lib\site-packages\celery\concurrency\processes\pool.py", line
106, in worker
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 81, in autodisco
ver
T raceback (most recent call last):
initializer(*initargs)
for app in settings.INSTALLED_APPS])
N File "c:\Python26\lib\multiprocessing\process.py", line 232, in bootstrap
File "c:\Python26\lib\site-packages\celery\worker__init.py", line 47, in pro
cess_initializer
o handlers could be found for logger "multiprocessing"
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 91, in find_rela
ted_module
self.run()
P current_loader().init_worker()
app_path = importlib.import_module(app).path
Process PoolWorker-2:
File "c:\Python26\lib\multiprocessing\process.py", line 88, in run
rocess PoolWorker-8:
TN File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 58, in init
worker
File "c:\Python26\lib\site-packages\importlib__init.py", line 37, in import
module
Traceback (most recent call last):
o handlers could be found for logger "multiprocessing"
self.target(self.args, *self.kwargs)
raceback (most recent call last):
self.on_worker_init()
import(name)
File "c:\Python26\lib\multiprocessing\process.py", line 232, in bootstrap
I File "c:\Python26\lib\site-packages\celery\concurrency\processes\pool.py", li
ne 106, in worker
File "c:\Python26\lib\multiprocessing\process.py", line 232, in bootstrap
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 65, in on_worker
init
mportError: No module named mysite.fbgraphapi
self.run()
P initializer(*initargs)
self.run()
rocess PoolWorker-7:
autodiscover()
File "c:\Python26\lib\multiprocessing\process.py", line 88, in run
T File "c:\Python26\lib\site-packages\celery\worker__init.py", line 47, in
process_initializer
File "c:\Python26\lib\multiprocessing\process.py", line 88, in run
raceback (most recent call last):
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 81, in autodisc
over
P self.target(self.args, *self.kwargs)
current_loader().init_worker()
File "c:\Python26\lib\multiprocessing\process.py", line 232, in bootstrap
self.target(self.args, *self.kwargs)
rocess PoolWorker-3:
for app in settings.INSTALLED_APPS])
T File "c:\Python26\lib\site-packages\celery\concurrency\processes\pool.py",
line 106, in worker
File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 58, in init
worker
self.run()
File "c:\Python26\lib\site-packages\celery\concurrency\processes\pool.py", line
106, in worker
raceback (most recent call last):
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 91, in find_rel
ated_module
initializer(initargs)
self.on_worker_init()
File "c:\Python26\lib\multiprocessing\process.py", line 88, in run
initializer(initargs)
File "c:\Python26\lib\multiprocessing\process.py", line 232, in bootstrap
app_path = importlib.import_module(app).path
File "c:\Python26\lib\site-packages\celery\worker__init.py", line 47, in
process_initializer
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 65, in on_worke
r_init
self.target(self.args, *self.kwargs)
File "c:\Python26\lib\site-packages\celery\worker__init.py", line 47, in pro
cess_initializer
self.run()
File "c:\Python26\lib\site-packages\importlib__init.py", line 37, in import
module
current_loader().init_worker()
autodiscover()
File "c:\Python26\lib\site-packages\celery\concurrency\processes\pool.py", line
106, in worker
current_loader().init_worker()
File "c:\Python26\lib\multiprocessing\process.py", line 88, in run
import(name)
File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 58, in ini
t_worker
I File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 81, in autodis
cover
File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 58, in init_w
orker
initializer(initargs)
self.target(self.args, **self.kwargs)
mportError: No module named mysite.fbgraphapi
self.on_worker_init()
self.on_worker_init()
for app in settings.INSTALLED_APPS])
File "c:\Python26\lib\site-packages\celery\worker__init.py", line 47, in pro
cess_initializer
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 65, in on_wo
rker_init
File "c:\Python26\lib\site-packages\celery\concurrency\processes\pool.py", line
106, in worker
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 65, in on_worker
init
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 91, in find_rela
ted_module
current_loader().init_worker()
autodiscover()
initializer(*initargs)
autodiscover()
app_path = importlib.import_module(app).path
File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 58, in init_w
orker
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 81, in auto
discover
File "c:\Python26\lib\site-packages\celery\worker__init.py", line 47, in pro
cess_initializer
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 81, in autodisco
ver
File "c:\Python26\lib\site-packages\importlib__init.py", line 37, in import
module
self.on_worker_init()
for app in settings.INSTALLED_APPS])
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 91, in find_rel
ated_module
import(name)
for app in settings.INSTALLED_APPS])
current_loader().init_worker()
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 65, in on_worker
init
I app_path = importlib.import_module(app).path
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 91, in find_rel
ated_module
mportError: No module named mysite.fbgraphapi
File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 58, in init_w
orker
autodiscover()
File "c:\Python26\lib\site-packages\importlib__init.py", line 37, in import
module
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 81, in autod
iscover
app_path = importlib.import_module(app).path
self.on_worker_init()
import(name)
I for app in settings.INSTALLED_APPS])
mportError: No module named mysite.fbgraphapi
File "c:\Python26\lib\site-packages\importlib__init.py", line 37, in import
module
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 65, in on_worker
init
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 91, in find_rela
ted_module
import(name)
autodiscover()
app_path = importlib.import_module(app).path
I File "c:\Python26\lib\site-packages\importlib__init.py", line 37, in impo
rt_module
mportError: No module named mysite.fbgraphapi
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 81, in autodisco
ver
import(name)
I for app in settings.INSTALLED_APPS])
mportError: No module named mysite.fbgraphapi
File "c:\Python26\lib\site-packages\djcelery\loaders.py", line 91, in find_rel
ated_module
app_path = importlib.import_module(app).path
File "c:\Python26\lib\site-packages\importlib__init.py", line 37, in import
module
import(name)
ImportError: No module named mysite.fbgraphapi
WTraceback (most recent call last):
ARNING celeryd: Hitting Ctrl+C again will terminate all running tasks!
File "", line 1, in
Traceback (most recent call last):
Traceback (most recent call last):
Traceback (most recent call last):
Traceback (most recent call last):
Traceback (most recent call last):
Traceback (most recent call last):
File "", line 1, in
File "", line 1, in
File "", line 1, in
File "", line 1, in
Traceback (most recent call last):
File "", line 1, in
File "", line 1, in
File "c:\Python26\lib\multiprocessing\forking.py", line 342, in main
File "", line 1, in
File "c:\Python26\lib\multiprocessing\forking.py", line 342, in main
File "c:\Python26\lib\multiprocessing\forking.py", line 342, in main
File "c:\Python26\lib\multiprocessing\forking.py", line 342, in ma
inFile "c:\Python26\lib\multiprocessing\forking.py", line 342, in main
self = load(from_parent)multiprocessing\forking.py", line 342, in main
self = load(from_parent)
self = load(from_parent)
self = load(from_parent)
self = load(from_parent)
File "c:\Python26\lib\pickle.py", line 1370, in load
File "c:\Python26\lib\pickle.py", line 1370, in load
File "c:\Python26\lib\pickle.py", line 1370, in load
File "c:\Python26\lib\pickle.py", line 1370, in load
File "c:\Python26\lib\pickle.py", line 1370, in load
self = load(from_parent)
self = load(from_parent)
self = load(from_parent)
return Unpickler(file).load()
File "c:\Python26\lib\pickle.py", line 1370, in load
File "c:\Python26\lib\pickle.py", line 1370, in load
File "c:\Python26\lib\pickle.py", line 1370, in load
return Unpickler(file).load()
return Unpickler(file).load()
return Unpickler(file).load()
File "c:\Python26\lib\pickle.py", line 858, in load
return Unpickler(file).load()
File "c:\Python26\lib\pickle.py", line 858, in load
File "c:\Python26\lib\pickle.py", line 858, in load
File "c:\Python26\lib\pickle.py", line 858, in load
return Unpickler(file).load()
return Unpickler(file).load()
return Unpickler(file).load()
File "c:\Python26\lib\pickle.py", line 858, in load
File "c:\Python26\lib\pickle.py", line 858, in load
File "c:\Python26\lib\pickle.py", line 858, in load
File "c:\Python26\lib\pickle.py", line 858, in load
dispatchkey
dispatchkey
dispatchkey
dispatchkey
File "c:\Python26\lib\pickle.py", line 1090, in load_global
File "c:\Python26\lib\pickle.py", line 1090, in load_global
File "c:\Python26\lib\pickle.py", line 1090, in load_global
File "c:\Python26\lib\pickle.py", line 1090, in load_global
dispatchkey
dispatchkey
dispatchkey
dispatchkey
klass = self.find_class(module, name)
File "c:\Python26\lib\pickle.py", line 1090, in load_global
File "c:\Python26\lib\pickle.py", line 1090, in load_global
File "c:\Python26\lib\pickle.py", line 1090, in load_global
File "c:\Python26\lib\pickle.py", line 1090, in load_global
klass = self.find_class(module, name)
klass = self.find_class(module, name)
klass = self.find_class(module, name)
File "c:\Python26\lib\pickle.py", line 1124, in find_class
File "c:\Python26\lib\pickle.py", line 1124, in find_class
File "c:\Python26\lib\pickle.py", line 1124, in find_class
File "c:\Python26\lib\pickle.py", line 1124, in find_class
klass = self.find_class(module, name)
klass = self.find_class(module, name)
klass = self.find_class(module, name)
klass = self.find_class(module, name)
File "c:\Python26\lib\pickle.py", line 1124, in find_class
File "c:\Python26\lib\pickle.py", line 1124, in find_class
import(module)
File "c:\Python26\lib\pickle.py", line 1124, in find_class
import(module)
File "c:\Python26\lib\pickle.py", line 1124, in find_class
import(module)
import(module)
File "c:\Python26\lib\site-packages\celery\worker__init.py", line 1
1, in
File "c:\Python26\lib\site-packages\celery\concurrency\processes__init.
py", line 9, in
File "c:\Python26\lib\site-packages\celery\concurrency\processes__init.
py", line 9, in
File "c:\Python26\lib\site-packages\celery\concurrency\processes__init.py",
line 9, in
import(module)
import(module)
import(module)
import(module)
File "c:\Python26\lib\site-packages\celery\concurrency\processes__ini
t.py", line 9, in
File "c:\Python26\lib\site-packages\celery\worker__init.py", line 11, in
from celery import beat
File "c:\Python26\lib\site-packages\celery\concurrency\processes__init.py",
line 9, in
from celery import log
from celery import log
File "c:\Python26\lib\site-packages\celery\concurrency\processes__init.py",
line 9, in
from celery import log
File "c:\Python26\lib\site-packages\celery\beat.py", line 17, in
File "c:\Python26\lib\site-packages\celery\log.py", line 13, in
File "c:\Python26\lib\site-packages\celery\log.py", line 13, in
File "c:\Python26\lib\site-packages\celery\log.py", line 13, in
from celery import log
from celery import beat
from celery import log
from celery import log
File "c:\Python26\lib\site-packages\celery\log.py", line 13, in
from celery import platforms
File "c:\Python26\lib\site-packages\celery\beat.py", line 19, in
File "c:\Python26\lib\site-packages\celery\log.py", line 13, in
from celery import conf
from celery import conf
File "c:\Python26\lib\site-packages\celery\log.py", line 13, in
from celery import conf
File "c:\Python26\lib\site-packages\celery\platforms.py", line 6, in
File "c:\Python26\lib\site-packages\celery\conf.py", line 7, in
File "c:\Python26\lib\site-packages\celery\conf.py", line 23, in
File "c:\Python26\lib\site-packages\celery\conf.py", line 7, in
from celery import conf
from celery.execute import send_task
from celery import conf
from celery import conf
from setproctitle import setproctitle as setproctitle
File "c:\Python26\lib\site-packages\celery\conf.py", line 7, in
File "c:\Python26\lib\site-packages\celery\execute__init.py", line 4, in
File "c:\Python26\lib\site-packages\celery\conf.py", line 7, in
from celery import routes
File "c:\Python26\lib\site-packages\celery\conf.py", line 7, in
settings = load_settings()
from celery import routes
KeyboardInterrupt File "c:\Python26\lib\site-packages\celery\routes
.py", line 2, in
File "c:\Python26\lib\site-packages\celery\loaders__init.py", line 32,
in load_settings
File "c:\Python26\lib\site-packages\celery\routes.py", line 2, in

from celery import routes
from celery import routes
from celery.messaging import with_connection
    from celery import routes
          File "c:\Python26\lib\site-packages\celery\routes.py", line 2, in <mod
ule>
  File "c:\Python26\lib\site-packages\celery\routes.py", line 2, in <module>
  File "c:\Python26\lib\site-packages\celery\messaging.py", line 13, in <module>

Nfrom celery.utils import instantiate, firstmethod, mpromise
  File "c:\Python26\lib\site-packages\celery\routes.py", line 2, in <module>
_settings = current_loader().conf
from celery.utils import instantiate, firstmethod, mpromise
        o handlers could be found for logger "multiprocessing"
      File "c:\Python26\lib\site-packages\celery\utils\__init__.py", line 18, in
 <module>
      File "c:\Python26\lib\site-packages\celery\loaders\__init__.py", line 24,
in current_loader
from carrot.messaging import Publisher, Consumer, ConsumerSet as _ConsumerSet
  File "c:\Python26\lib\site-packages\carrot\messaging.py", line 10, in <module>

    from celery.utils import instantiate, firstmethod, mpromise
from celery.utils import instantiate, firstmethod, mpromise
    from celery.utils import instantiate, firstmethod, mpromise
  File "c:\Python26\lib\site-packages\celery\utils\__init__.py", line 18, in <mo
dule>
from carrot import serialization
from dateutil.parser import parse as parse_iso8601
  File "c:\Python26\lib\site-packages\celery\utils\__init__.py", line 14, in <mo
dule>
  File "c:\Python26\lib\site-packages\carrot\serialization.py", line 272, in <mo
dule>
  File "c:\Python26\lib\site-packages\python_dateutil-1.4.1-py2.6.egg\dateutil\p
arser.py", line 18, in <module>
  File "c:\Python26\lib\site-packages\celery\utils\__init__.py", line 17, in <mo
dule>
  File "c:\Python26\lib\site-packages\celery\utils\__init__.py", line 14, in <mo
dule>
                        from dateutil.parser import parse as parse_iso8601
    _loader = setup_loader()
from inspect import getargspec
register_json()
from cStringIO import StringIO
from carrot.utils import rpartition
  File "c:\Python26\lib\site-packages\python_dateutil-1.4.1-py2.6.egg\dateutil\p
arser.py", line 22, in <module>
from inspect import getargspec
  File "c:\Python26\lib\site-packages\celery\loaders\__init__.py", line 17, in s
etup_loader
  File "c:\Python26\lib\inspect.py", line 39, in <module>
  File "c:\Python26\lib\site-packages\carrot\serialization.py", line 216, in reg
ister_json
KeyboardInterrupt  File "c:\Python26\lib\site-packages\carrot\__init__.py", line
 1, in <module>
      File "c:\Python26\lib\inspect.py", line 39, in <module>

import relativedelta
    return get_loader_cls(os.environ.setdefault("CELERY_LOADER", "default"))()
    import tokenize
from anyjson import serialize as json_serialize
  File "c:\Python26\lib\site-packages\python_dateutil-1.4.1-py2.6.egg\dateutil\r
elativedelta.py", line 11, in <module>
"""AMQP Messaging Framework for Python"""
  File "c:\Python26\lib\site-packages\celery\loaders\__init__.py", line 13, in g
et_loader_cls
import tokenize
N  File "c:\Python26\lib\tokenize.py", line 23, in <module>
  File "c:\Python26\lib\site-packages\anyjson\__init__.py", line 117, in <module
>
    KeyboardInterrupt  File "c:\Python26\lib\tokenize.py", line 30, in <module>
    o handlers could be found for logger "multiprocessing"
        import calendar

return get_cls_by_name(loader, LOADER_ALIASES)
    each time a new token is found."""
implementation = _JsonImplementation(modspec)
  File "c:\Python26\lib\calendar.py", line 6, in <module>
Nfrom token import *
  File "c:\Python26\lib\site-packages\celery\utils\__init__.py", line 352, in ge
t_cls_by_name
KeyboardInterruptKeyboardInterrupto handlers could be found for logger "multipro
cessing"
  File "c:\Python26\lib\token.py", line 3, in <module>


    module = importlib.import_module(module_name)
N"""Token constants (from "token.h")."""
N  File "c:\Python26\lib\site-packages\importlib\__init__.py", line 37, in impor
t_module
o handlers could be found for logger "multiprocessing"
KeyboardInterrupto handlers could be found for logger "multiprocessing"

__import__(name)
set the first day of the week (0=Monday, 6=Sunday)."""
No handlers could be found for logger "multiprocessing"
KeyboardInterrupt  File "c:\Python26\lib\site-packages\djcelery\loaders.py", lin
e 4, in <module>

from celery.loaders.base import BaseLoader
N  File "c:\Python26\lib\site-packages\celery\loaders\base.py", line 6, in <modu
le>
o handlers could be found for logger "multiprocessing"
    from celery.utils.mail import mail_admins
  File "c:\Python26\lib\site-packages\celery\utils\mail.py", line 2, in <module>

    import smtplib
  File "c:\Python26\lib\smtplib.py", line 46, in <module>
    import email.utils
  File "c:\Python26\lib\email\utils.py", line 118, in <module>
    ''', re.VERBOSE | re.IGNORECASE)
  File "c:\Python26\lib\re.py", line 190, in compile
    return _compile(pattern, flags)
  File "c:\Python26\lib\re.py", line 243, in _compile
    p = sre_compile.compile(pattern, flags)
  File "c:\Python26\lib\sre_compile.py", line 506, in compile
    p = sre_parse.parse(p, flags)
  File "c:\Python26\lib\sre_parse.py", line 679, in parse
    p = _parse_sub(source, pattern, 0)
  File "c:\Python26\lib\sre_parse.py", line 314, in _parse_sub
    itemsappend(_parse(source, state))
  File "c:\Python26\lib\sre_parse.py", line 413, in _parse
    this = sourceget()
KeyboardInterrupt
No handlers could be found for logger "multiprocessing"

from django-celery.

Ok, this is a known issue actually. For me it worked when the settings file was in the current directory. As you can see it doesn't work when you do that, maybe because your installed apps are prefixed with the project;
Do you have something like this in settings.py?

INSTALLED_APPS = ("mysite.fbgraphapi", )

Using the project name here can lead to problems in many cases, so I would
really advice against doing so, instead you can ensure that the project directory is on the pythonpath:

import os
import sys
sys.path.insert(0, os.getcwd())

INSTALLED_APPS = ("fbgraphapi", )

Does this solve the issue?
Sadly I haven't had the ability (or time) to solve these know problems on the Windows platform yet, as I don't have access to the OS.

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Have to add that you always have to specify --settings=settings even with the proposed changes above.

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Hi, thanks that has helped somewhat. I am now just getting:

$ python manage.py celeryd --settings=settings -l info
WARNING  celery@Paul-PC v2.1.3 is starting.
WARNING  c:\Python26\lib\site-packages\celery\apps\worker.py:110: UserWarning: U
sing settings.DEBUG leads to a memory leak, never use this setting in a producti
on environment!
  warnings.warn("Using settings.DEBUG leads to a memory leak, "
WARNING  Configuration ->
    . broker -> amqp://guest@localhost:5672/
    . queues ->
        . celery -> exchange:celery (direct) binding:celery
    . concurrency -> 8
    . loader -> djcelery.loaders.DjangoLoader
    . logfile -> [stderr]@INFO
    . events -> OFF
    . beat -> OFF
    . tasks ->
WARNING  celery@Paul-PC has started.
ERROR    CarrotListener: Connection Error: [Errno 10061] No connection could be
made because the target machine actively refused it. Trying again in 2 seconds..
.
No handlers could be found for logger "multiprocessing"
No handlers could be found for logger "multiprocessing"
NNNNNNo handlers could be found for logger "multiprocessing"
o handlers could be found for logger "multiprocessing"
o handlers could be found for logger "multiprocessing"
o handlers could be found for logger "multiprocessing"
o handlers could be found for logger "multiprocessing"
o handlers could be found for logger "multiprocessing"
ERROR    CarrotListener: Connection Error: [Errno 10061] No connection could be
made because the target machine actively refused it. Trying again in 4 seconds..
.
ERROR    CarrotListener: Connection Error: [Errno 10061] No connection could be
made because the target machine actively refused it. Trying again in 6 seconds..
.
ERROR    CarrotListener: Connection Error: [Errno 10061] No connection could be
made because the target machine actively refused it. Trying again in 8 seconds..
.
WARNING  celeryd: Hitting Ctrl+C again will terminate all running tasks!
WARNING  celeryd: Warm shutdown (MainProcess)

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The listener error you are seeing is because it can't connect to RabbitMQ.

    . broker -> amqp://guest@localhost:5672/

^^ this is the broker it's trying to connect to. Is it running?

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Oh, I understood from the docs that django-celery could just use a database backend via the Django ORM.

What BROKER_HOST etc settings do I need to do that... should they be the host, user, pword etc for my PostgreSQL server?

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Aha. Yes it does support that, but it's not part of Celery yet but as a plug-in:
http://celeryq.org/docs/tutorials/otherqueues.html

It will be part of "core" for the next release.

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Ok so basically I should setup RabbitMQ first and then try Celery... thanks for your help!

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I'm getting this as well on Windows 7 64-bit; my settings file is in project root directory, and Celery can't seem to import my project successfully. Anything starting in (for example) mysite makes the import fail. Unfortunately, manually adding the file to the python path makes Django choke on the settings. Any ideas?

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I'm getting the same error on a CentOS machine with python 2.5, but only when running the celeryd daemon with the -f /var/log/logfile.log switch.

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@delinhabit, this is a bug in 2.2.5, you should either install the release22-maint branch or wait until 2.2.6 (which I'm releasing as we speak)

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For some reason, I'm still getting

No handlers could be found for logger "multiprocessing" and I'm now using version 2.5.3

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This warning can be ignored as it's really a multiprocessing issue where a debug is called immediately when the process starts before logging has been set up.

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