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From "Myroslav Papirkovskyi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-18835) Heartbeat lost for all hosts after server start
Date Wed, 09 Nov 2016 17:12:59 GMT
Myroslav Papirkovskyi created AMBARI-18835:
----------------------------------------------

             Summary: Heartbeat lost for all hosts after server start
                 Key: AMBARI-18835
                 URL: https://issues.apache.org/jira/browse/AMBARI-18835
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.0.0
            Reporter: Myroslav Papirkovskyi
            Assignee: Myroslav Papirkovskyi
             Fix For: 2.4.2


Occurred once after upgrade. REST endpoints for agents became inaccessible and agents were
unable to send heartbeats.
Research has shown that all jetty worker threads were in infinite loop while reading from
HashMap which was not threadsafe.



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