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https://issues.apache.org/jira/browse/AIRFLOW-1490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16711477#comment-16711477
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jack commented on AIRFLOW-1490:
-------------------------------
You can prepare PR with your code suggestions
> In order to get details on exceptions thrown by tasks, the onfailure callback
> needs an enhancement
> --------------------------------------------------------------------------------------------------
>
> Key: AIRFLOW-1490
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1490
> Project: Apache Airflow
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.8.0, 2.0.0
> Reporter: Steen Manniche
> Priority: Major
> Attachments:
> 0001-AIRFLOW-1490-carry-exceptions-through-to-the-on_fail.patch
>
>
> The code called when an exception is thrown by a task receives information on
> the exception thrown from the task, but fails to delegate this information to
> the registered callbacks.
> https://github.com/apache/incubator-airflow/blob/master/airflow/models.py#L1524
> sends the context to the registered failure callback, but this context does
> not include the thrown exception.
> The supplied patch proposes a non-api-breaking way of including the exception
> in the context in order to provide clients with the full exception type and
> -traceback
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