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Date: Wed, 11 Apr 2012 23:57:18 +0000 (UTC)
From: "Eli Collins (Updated) (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-8270) hadoop-daemon.sh stop action should
 return 0 for an already stopped service
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     [ https://issues.apache.org/jira/browse/HADOOP-8270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eli Collins updated HADOOP-8270:
--------------------------------

            Priority: Minor  (was: Major)
    Target Version/s: 2.0.0
       Fix Version/s:     (was: 2.0.0)
        Hadoop Flags: Reviewed
             Summary: hadoop-daemon.sh stop action should return 0 for an already stopped service   (was: hadoop-daemon.sh stop action is not LSB compliant)
    
> hadoop-daemon.sh stop action should return 0 for an already stopped service 
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-8270
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8270
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 0.23.1
>            Reporter: Roman Shaposhnik
>            Assignee: Roman Shaposhnik
>            Priority: Minor
>         Attachments: HADOOP-8270.patch.txt
>
>
> The following bit of code from hadoop-daemon.sh is not LSB compliant, since
> according to http://refspecs.linuxbase.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
> a stop action on an already stopped service should return 0.
> {noformat}
>  (stop)
>     if [ -f $pid ]; then
>       if kill -0 `cat $pid` > /dev/null 2>&1; then
>         echo stopping $command
>         kill `cat $pid`
>       else
>         echo no $command to stop
>         exit 1
>       fi
>     else
>       echo no $command to stop
>       exit 1
>     fi
>     ;;
> {noformat}

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