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https://issues.apache.org/jira/browse/SPARK-23147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16330496#comment-16330496
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Apache Spark commented on SPARK-23147:
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User 'jerryshao' has created a pull request for this issue:
https://github.com/apache/spark/pull/20315
> 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
> Priority: Major
> 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. Below is the screenshot.
> !Screen Shot 2018-01-18 at 8.50.08 PM.png!
> 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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