[jira] [Created] (AMBARI-6048) Ambari Agent script should check for running processes before starting

["Dmitry Lysnichenko (JIRA)" <ji...@apache.org>]

Dmitry Lysnichenko created AMBARI-6048:
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             Summary: Ambari Agent script should check for running processes before starting
                 Key: AMBARI-6048
                 URL: https://issues.apache.org/jira/browse/AMBARI-6048
             Project: Ambari
          Issue Type: Bug
          Components: agent
    Affects Versions: 1.6.1
            Reporter: Dmitry Lysnichenko
            Assignee: Dmitry Lysnichenko
             Fix For: 1.7.0


PROBLEM: If the Ambari Agent installation fails for whatever reason then a process of ambari-agent is left running. This results in the ambari-agent status to show as it not running. If you then start another ambari-agent it dies because the port is already in use.
If the script could check the PID file and check for a running process then it would resolve this issue.
BUSINESS IMPACT: Not a huge business impact as the workaround is to kill the running ambari-agent process
Workaround: Kill running ambari-agent process before starting
ANALYSIS: I cannot reproduce this issue in house and the SE who raised it can not reproduce on demand.



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