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https://issues.apache.org/jira/browse/AIRFLOW-5447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16931475#comment-16931475
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ASF GitHub Bot commented on AIRFLOW-5447:
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dimberman commented on pull request #6129: [AIRFLOW-5447] Scheduler stalls
because second watcher thread in default args
URL: https://github.com/apache/airflow/pull/6129
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> KubernetesExecutor hangs on task queueing
> -----------------------------------------
>
> Key: AIRFLOW-5447
> URL: https://issues.apache.org/jira/browse/AIRFLOW-5447
> Project: Apache Airflow
> Issue Type: Bug
> Components: executor-kubernetes
> Affects Versions: 1.10.4, 1.10.5
> Environment: Kubernetes version v1.14.3, Airflow version 1.10.4-1.10.5
> Reporter: Henry Cohen
> Assignee: Daniel Imberman
> Priority: Blocker
>
> Starting in 1.10.4, and continuing in 1.10.5, when using the
> KubernetesExecutor, with the webserver and scheduler running in the
> kubernetes cluster, tasks are scheduled, but when added to the task queue,
> the executor process hangs indefinitely. Based on log messages, it appears to
> be stuck at this line
> https://github.com/apache/airflow/blob/v1-10-stable/airflow/contrib/executors/kubernetes_executor.py#L761
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