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