[jira] [Created] (SPARK-23147) Stage page will throw exception when there's no complete tasks

["Saisai Shao (JIRA)" <ji...@apache.org>]

Saisai Shao created SPARK-23147:
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             Summary: Stage page will throw exception when there's no complete tasks
                 Key: SPARK-23147
                 URL: https://issues.apache.org/jira/browse/SPARK-23147
             Project: Spark
          Issue Type: Bug
          Components: Web UI
    Affects Versions: 2.3.0
            Reporter: Saisai Shao
         Attachments: Screen Shot 2018-01-18 at 8.50.08 PM.png

Current Stage page's task table will throw an exception when there's no complete tasks, to reproduce this issue, user could submit code like:

{code}
sc.parallelize(1 to 20, 20).map { i => Thread.sleep(10000); i }.collect()
{code}

Then open the UI and click into stage details.

Deep dive into the code, found that current UI can only show the completed tasks, it is different from 2.2 code.




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