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From Maciej Bryński (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SPARK-17707) Web UI prevents spark-submit application to be finished
Date Thu, 06 Oct 2016 08:03:20 GMT

    [ https://issues.apache.org/jira/browse/SPARK-17707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15551261#comment-15551261
] 

Maciej Bryński commented on SPARK-17707:
----------------------------------------

And wasn't needed before Spark 2.0.
I think there will be many submitted Jira like this.

Even samples from official documentation don't have sc.stop()
http://spark.apache.org/docs/latest/quick-start.html#self-contained-applications


> Web UI prevents spark-submit application to be finished
> -------------------------------------------------------
>
>                 Key: SPARK-17707
>                 URL: https://issues.apache.org/jira/browse/SPARK-17707
>             Project: Spark
>          Issue Type: Bug
>    Affects Versions: 2.0.0, 2.0.1
>            Reporter: Nick Orka
>
> Here are re-production steps:
> 1. create any scala spark application which will work long enough to open the application
details in Web UI
> 2. run spark-submit command for standalone cluster, like: --master spark:\\localhost:7077
> 3. open running application details in Web UI, like: localhost:4040
> 4. spark-submit will never finish, you will have to kill the process
> Cause: The application creates a thread with infinite loop for web UI communication 
and never stops it. The application is waiting for the thread to be finished instead, even
if you close the web page.



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