[jira] [Created] (AIRFLOW-4300) Task Modal Broken for DAGs that have not run

["Marcus Levine (JIRA)" <ji...@apache.org>]

Marcus Levine created AIRFLOW-4300:
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             Summary: Task Modal Broken for DAGs that have not run
                 Key: AIRFLOW-4300
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-4300
             Project: Apache Airflow
          Issue Type: Bug
          Components: ui
    Affects Versions: 1.10.3
            Reporter: Marcus Levine


After upgrading to 1.10.3, the model window that pops up when clicking on a task in a DAG that has not been run yet no longer appears

 

This makes it impossible to see the task details and rendered template before actually running the DAG

 

In the JavaScript console, it appears this issue emerges from `try_number` being undefined when the DAG has not been run yet:


{code:java}
Uncaught TypeError: Cannot read property 'try_number' of undefined
at SVGGElement.<anonymous> (graph?dag_id=my-dag:1)
at SVGGElement.__onclick (d3.v3.min.js:1)
{code}



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