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From "Chackaravarthy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11989) Kill command for process group id throws ExitCodeException
Date Mon, 18 May 2015 08:38:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14547717#comment-14547717
] 

Chackaravarthy commented on HADOOP-11989:
-----------------------------------------

[~vinodkv] Duplicating YARN-3561 issue and will provide a patch for this soon.

> Kill command for process group id throws ExitCodeException
> ----------------------------------------------------------
>
>                 Key: HADOOP-11989
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11989
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 2.6.0
>         Environment: debian 7
>            Reporter: Chackaravarthy
>            Assignee: Chackaravarthy
>
> In the environment where setsid available, kill command is constructed with single dash,
which throws ExitCodeException (improper usage of command) 
> {noformat}
> kill -signal_num -<process_group_id>
> {noformat}
> Encountered this issue due to YARN-3561 
> Kill command need to be constructed with double dash (--) which means "end of command
options" i.e. it tells ssh command not to try to parse what comes after command line options.
It should be constructed as follows :
> {noformat}
> kill -signal_num -- -<process_group_id>
> {noformat}



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