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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6970) hbase-deamon.sh creates/updates pid file even when that start failed.
Date Wed, 10 Oct 2012 03:30:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472964#comment-13472964
] 

Jean-Daniel Cryans commented on HBASE-6970:
-------------------------------------------

lol I'm looking at the same problem and worrying about the same thing. At least changing this
behavior would help things like supervisord.
                
> hbase-deamon.sh creates/updates pid file even when that start failed.
> ---------------------------------------------------------------------
>
>                 Key: HBASE-6970
>                 URL: https://issues.apache.org/jira/browse/HBASE-6970
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>
> We just ran into a strange issue where could start or stop services with hbase-deamon.sh.
> The problem is this:
> {code}
>     nohup nice -n $HBASE_NICENESS "$HBASE_HOME"/bin/hbase \
>         --config "${HBASE_CONF_DIR}" \
>         $command "$@" $startStop > "$logout" 2>&1 < /dev/null &
>     echo $! > $pid
> {code}
> So the pid file is create or update even the start of the service failed. The next stop
command will then fail, because the pid file has he wrong pid in it.

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