Team,

Is there a users@ mailing list for Apache Airflow? If not, is this where I
submit product questions to?

Let me do it anyways. I am new to Airflow and I just deployed it on Ubuntu.
I have also deployed Postgres as it's DB and Celery. I started the
scheduler and the web server. The UI comes up, but even the demo DAGs don't
run. I poked around the scheduler logs and I see these errors in a constant
loop. This is printed per task in the airflow-scheduler.log and out
files. Let me know if you whats going wrong here:

2019-04-30 20:23:51,087 ERROR - Process timed out, PID: 20761

2019-04-30 20:23:53,088 ERROR - Process timed out, PID: 20761

2019-04-30 20:23:55,089 ERROR - Process timed out, PID: 20761

2019-04-30 20:23:55,131 ERROR - Error sending Celery task:Timeout, PID:
20761

Celery Task ID: (u'example_bash_operator', u'runme_2',
datetime.datetime(2019, 4, 27, 0, 0, tzinfo=<TimezoneInfo [UTC, GMT,
+00:00:00, STD]>), 1)

Traceback (most recent call last):

  File
"/usr/local/lib/python2.7/dist-packages/airflow/executors/celery_executor.py",
line 118, in send_task_to_executor

    result = task.apply_async(args=[command], queue=queue)

  File "/usr/local/lib/python2.7/dist-packages/celery/app/task.py", line
535, in apply_async

    **options

  File "/usr/local/lib/python2.7/dist-packages/celery/app/base.py", line
728, in send_task

    amqp.send_task_message(P, name, message, **options)

  File "/usr/local/lib/python2.7/dist-packages/celery/app/amqp.py", line
552, in send_task_message

    **properties

  File "/usr/local/lib/python2.7/dist-packages/kombu/messaging.py", line
181, in publish

    exchange_name, declare,

  File "/usr/local/lib/python2.7/dist-packages/kombu/connection.py", line
510, in _ensured

    return fun(*args, **kwargs)

  File "/usr/local/lib/python2.7/dist-packages/kombu/messaging.py", line
187, in _publish

    channel = self.channel

  File "/usr/local/lib/python2.7/dist-packages/kombu/messaging.py", line
209, in _get_channel

    channel = self._channel = channel()

  File "/usr/local/lib/python2.7/dist-packages/kombu/utils/functional.py",
line 44, in __call__

    value = self.__value__ = self.__contract__()

  File "/usr/local/lib/python2.7/dist-packages/kombu/messaging.py", line
224, in <lambda>

    channel = ChannelPromise(lambda: connection.default_channel)

  File "/usr/local/lib/python2.7/dist-packages/kombu/connection.py", line
852, in default_channel

    self.ensure_connection(**conn_opts)

  File "/usr/local/lib/python2.7/dist-packages/kombu/connection.py", line
422, in ensure_connection

    callback, timeout=timeout)

  File "/usr/local/lib/python2.7/dist-packages/kombu/utils/functional.py",
line 355, in retry_over_time

    sleep(1.0)

  File "/usr/local/lib/python2.7/dist-packages/airflow/utils/timeout.py",
line 43, in handle_timeout

    raise AirflowTaskTimeout(self.error_message)

AirflowTaskTimeout: Timeout, PID: 20761



Thanks,

Andy

Reply via email to