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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13837) Process check bug in hadoop_stop_daemon
Date Mon, 28 Nov 2016 17:13:58 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Weiwei Yang updated HADOOP-13837:
---------------------------------
    Attachment: check_proc.sh

> Process check bug in hadoop_stop_daemon
> ---------------------------------------
>
>                 Key: HADOOP-13837
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13837
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>         Attachments: check_proc.sh
>
>
> Always get {{ERROR: Unable to kill ...}} after {{Trying to kill with kill -9}}, see following
output of stop-yarn.sh
> {code}
> <NM_HOST>: WARNING: nodemanager did not stop gracefully after 5 seconds: Trying
to kill with kill -9
> <NM_HOST>: ERROR: Unable to kill 18097
> {code}
> hadoop_stop_daemon doesn't check process liveness correctly, this bug can be reproduced
by the script easily.



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