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https://issues.apache.org/jira/browse/AIRFLOW-342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16240428#comment-16240428
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Bolke de Bruin commented on AIRFLOW-342:
----------------------------------------
Please verify and confirm that your rabbitmq is running and accepting
connection during the time that this happens. 'Connection reset by peer' means
the server most likely stopped working without properly closing the connection
(e.g. a crash)
> exception in 'airflow scheduler' : Connection reset by peer
> ------------------------------------------------------------
>
> Key: AIRFLOW-342
> URL: https://issues.apache.org/jira/browse/AIRFLOW-342
> Project: Apache Airflow
> Issue Type: Bug
> Components: celery, scheduler
> Affects Versions: Airflow 1.7.1.3
> Environment: OS: Red Hat Enterprise Linux Server 7.2 (Maipo)
> Python: 2.7.5
> Airflow: 1.7.1.3
> Reporter: Hila Visan
> Assignee: Hila Visan
>
> 'airflow scheduler' command throws an exception when running it.
> Despite the exception, the workers run the tasks from the queues as expected.
> Error details:
>
> [2016-06-30 19:00:10,130] {jobs.py:758} ERROR - [Errno 104] Connection reset
> by peer
> Traceback (most recent call last):
> File "/usr/lib/python2.7/site-packages/airflow/jobs.py", line 755, in
> _execute
> executor.heartbeat()
> File "/usr/lib/python2.7/site-packages/airflow/executors/base_executor.py",
> line 107, in heartbeat
> self.sync()
> File
> "/usr/lib/python2.7/site-packages/airflow/executors/celery_executor.py", line
> 74, in sync
> state = async.state
> File "/usr/lib/python2.7/site-packages/celery/result.py", line 394, in state
> return self._get_task_meta()['status']
> File "/usr/lib/python2.7/site-packages/celery/result.py", line 339, in
> _get_task_meta
> return self._maybe_set_cache(self.backend.get_task_meta(self.id))
> File "/usr/lib/python2.7/site-packages/celery/backends/amqp.py", line 163,
> in get_task_meta
> binding.declare()
> File "/usr/lib/python2.7/site-packages/kombu/entity.py", line 521, in
> declare
> self.exchange.declare(nowait)
> File "/usr/lib/python2.7/site-packages/kombu/entity.py", line 174, in
> declare
> nowait=nowait, passive=passive,
> File "/usr/lib/python2.7/site-packages/amqp/channel.py", line 615, in
> exchange_declare
> self._send_method((40, 10), args)
> File "/usr/lib/python2.7/site-packages/amqp/abstract_channel.py", line 56,
> in _send_method
> self.channel_id, method_sig, args, content,
> File "/usr/lib/python2.7/site-packages/amqp/method_framing.py", line 221,
> in write_method
> write_frame(1, channel, payload)
> File "/usr/lib/python2.7/site-packages/amqp/transport.py", line 182, in
> write_frame
> frame_type, channel, size, payload, 0xce,
> File "/usr/lib64/python2.7/socket.py", line 224, in meth
> return getattr(self._sock,name)(*args)
> error: [Errno 104] Connection reset by peer
> [2016-06-30 19:00:10,131] {jobs.py:759} ERROR - Tachycardia!
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