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From "Gregory Petrosyan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AIRFLOW-581) "Recent statuses" widget not working; related SQL exception on "Chart" page
Date Tue, 18 Oct 2016 14:48:58 GMT

    [ https://issues.apache.org/jira/browse/AIRFLOW-581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15585640#comment-15585640
] 

Gregory Petrosyan commented on AIRFLOW-581:
-------------------------------------------

Update: SQL execution failure is unrelated to empty "Recent statuses".

> "Recent statuses" widget not working; related SQL exception on "Chart" page
> ---------------------------------------------------------------------------
>
>                 Key: AIRFLOW-581
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-581
>             Project: Apache Airflow
>          Issue Type: Bug
>    Affects Versions: Airflow 1.7.1.3
>            Reporter: Gregory Petrosyan
>
> I am following the quick start (https://airflow.incubator.apache.org/start.html)
> After successfully running backfill for `example_bash_operator` from CLI, "Recent statuses"
widget is empty. However, various DAG views for this DAG show valid data; so the database
is not empty.
> Additionally, default «Airflow task instance by type» chart, which does
> ```
> SELECT state, COUNT(1) as number FROM task_instance WHERE dag_id LIKE 'example%' GROUP
BY state
> ```
> shows an error «SQL execution failed. Details: 'NoneType' object has no attribute 'get_pandas_df'».
This looks related to not working "recent statuses" widget.
> This issue was reported externally before:
> - https://stackoverflow.com/questions/37989624/airflow-chart-query-failing
> - https://mail-archives.apache.org/mod_mbox/incubator-airflow-dev/201607.mbox/%3CCAAMF+vcLbadXCYKFsrsMVp3t5AQFp8wuvaxbAF4KYfE9+nm07Q@mail.gmail.com%3E



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