Tao Feng reassigned AIRFLOW-1737:

    Assignee: Tao Feng

> set_task_instance_state fails because of strptime
> -------------------------------------------------
>                 Key: AIRFLOW-1737
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1737
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: webapp
>            Reporter: Andre Boechat
>            Assignee: Tao Feng
>            Priority: Minor
>         Attachments: Screenshot_2017-10-18_15-58-29.png
> Context:
> * DAG run triggered manually
> * Using the web application to change the state of a task
> When trying to set the state of a task, an exception is thrown: *ValueError: 
> unconverted data remains: ..372649* (look at the attached screenshot).
> I think the problem comes from the "execution date" created by manually 
> triggered DAGs, since the date-time includes a fractional part. In my 
> database, I see scheduled DAGs with execution dates like "10-18T15:00:00", 
> while manually triggered ones with dates like "09-21T16:36:16.170988". If we 
> look at the method *set_task_instance_state* in *airflow.www.views*, we see 
> that the format string used with *strptime* doesn't consider any fractional 
> part.

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