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https://issues.apache.org/jira/browse/AIRFLOW-1733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16913307#comment-16913307
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Dan Davydov commented on AIRFLOW-1733:
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I believe I fixed this already... closing
> BashOperator readline can hang
> ------------------------------
>
> Key: AIRFLOW-1733
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1733
> Project: Apache Airflow
> Issue Type: Bug
> Reporter: Dan Davydov
> Priority: Major
>
> If the child bash process dies for some reason, the BashOperator will hang
> since we use a blocking readline call to get output from the child. Instead
> we should read asynchronously or poll the child bash process like described
> in the solutions here:
> https://stackoverflow.com/questions/18421757/live-output-from-subprocess-command
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