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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13837) Process check bug in hadoop_stop_daemon
Date Mon, 28 Nov 2016 17:11:58 GMT
Weiwei Yang created HADOOP-13837:
------------------------------------

             Summary: 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


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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