Enable Cron task, interval task not work Celery Beat

[thanh.ngu...@gmail.com]

My Django Web has interval task type and cron task type. When i disable cron task type, interval task type work. But when i enable cron task type, cron task type work and interval task not work.

I run celery beat and celery worker with supervisor. And i'm sure service beat running

Version

celery==4.2.1
django-celery-beat==1.3.0

My settings

INSTALLED_APPS += [
    'django_celery_beat',
    'reports',
]

LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'Asia/Ho_Chi_Minh'
USE_TZ = True


CELERY_BROKER_URL = [
    'pyamqp://xxxx:xx...@xx.xx.xx.10:5672/dev_vhost',
    'pyamqp://xxxx:xx...@xx.xx.xx.11:5672/dev_vhost',
    'pyamqp://xxxx:xx...@xx.xx.xx.12:5672/dev_vhost',

]

CELERY_RESULT_BACKEND = 'rpc://'
CELERY_ENABLE_UTC = True
CELERY_TIMEZONE = 'Asia/Ho_Chi_Minh'
CELERY_BROKER_HEARTBEAT = 0

CELERY_ACCEPT_CONTENT = ['application/json']
CELERY_RESULT_SERIALIZER = 'json'
CELERY_TASK_SERIALIZER = 'json'

Log celery beat (when enable cron task type)

[2019-03-17 17:02:48,562: INFO/MainProcess] Writing entries...
[2019-03-17 17:05:49,343: INFO/MainProcess] Writing entries...
[2019-03-17 17:08:49,931: INFO/MainProcess] Writing entries...
[2019-03-17 17:11:50,555: INFO/MainProcess] Writing entries...
[2019-03-17 17:14:51,154: INFO/MainProcess] Writing entries...
[2019-03-17 17:17:51,766: INFO/MainProcess] Writing entries...
[2019-03-17 17:20:52,366: INFO/MainProcess] Writing entries...
[2019-03-17 17:23:52,960: INFO/MainProcess] Writing entries...
[2019-03-17 17:26:53,554: INFO/MainProcess] Writing entries...
[2019-03-17 17:29:54,142: INFO/MainProcess] Writing entries...
[2019-03-17 17:32:54,724: INFO/MainProcess] Writing entries...
[2019-03-17 17:35:55,317: INFO/MainProcess] Writing entries...
[2019-03-17 17:38:55,932: INFO/MainProcess] Writing entries...
[2019-03-17 17:41:56,539: INFO/MainProcess] Writing entries...
[2019-03-17 17:44:57,147: INFO/MainProcess] Writing entries...
[2019-03-17 17:47:57,733: INFO/MainProcess] Writing entries...
[2019-03-17 17:50:58,349: INFO/MainProcess] Writing entries...
[2019-03-17 17:53:58,954: INFO/MainProcess] Writing entries...
[2019-03-17 17:56:59,546: INFO/MainProcess] Writing entries...
[2019-03-17 18:00:00,144: INFO/MainProcess] Writing entries...
[2019-03-17 18:03:00,728: INFO/MainProcess] Writing entries...
[2019-03-17 18:06:01,331: INFO/MainProcess] Writing entries...
[2019-03-17 18:09:01,938: INFO/MainProcess] Writing entries...
[2019-03-17 18:12:02,527: INFO/MainProcess] Writing entries...
[2019-03-17 18:15:03,118: INFO/MainProcess] Writing entries...
[2019-03-17 18:18:03,707: INFO/MainProcess] Writing entries...
[2019-03-17 18:21:04,287: INFO/MainProcess] Writing entries...
[2019-03-17 18:24:04,872: INFO/MainProcess] Writing entries...
[2019-03-17 18:27:05,464: INFO/MainProcess] Writing entries...
[2019-03-17 18:30:06,069: INFO/MainProcess] Writing entries...
[2019-03-17 18:33:06,670: INFO/MainProcess] Writing entries...
[2019-03-17 18:36:07,249: INFO/MainProcess] Writing entries...
[2019-03-17 18:39:07,837: INFO/MainProcess] Writing entries...
[2019-03-17 18:42:08,425: INFO/MainProcess] Writing entries...
[2019-03-17 18:45:09,004: INFO/MainProcess] Writing entries...
[2019-03-17 18:48:09,614: INFO/MainProcess] Writing entries...
[2019-03-17 18:51:10,214: INFO/MainProcess] Writing entries...
[2019-03-17 18:54:10,815: INFO/MainProcess] Writing entries...
[2019-03-17 18:57:11,412: INFO/MainProcess] Writing entries...
[2019-03-17 19:00:12,025: INFO/MainProcess] Writing entries...