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https://issues.apache.org/jira/browse/SPARK-19264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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hustfxj updated SPARK-19264:
----------------------------
    Summary: Work should start driver, the same to  AM  of yarn   (was: Work 
maybe should start driver, the same to  AM  of yarn )

> Work should start driver, the same to  AM  of yarn 
> ---------------------------------------------------
>
>                 Key: SPARK-19264
>                 URL: https://issues.apache.org/jira/browse/SPARK-19264
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: hustfxj
>
>   I think work can't start driver by "ProcessBuilderLike",  thus we can't 
> know the application's main thread is finished or not if the application's 
> main thread contains some daemon threads. Because the program terminates when 
> there no longer is any non-daemon thread running (or someone called 
> System.exit). The main thread can have finished long ago. 
>     worker should  start driver like AM of YARN . As followed:
>     
>     ```
>       mainMethod.invoke(null, userArgs.toArray)
>      finish(FinalApplicationStatus.SUCCEEDED, ApplicationMaster.EXIT_SUCCESS)
>      logDebug("Done running users class")
>     ```
> Then the work can monitor the driver's main thread, and know the 
> application's state. 



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