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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-15828) LLAP: Create root path of znode in init/start of registry service
Date Mon, 06 Feb 2017 23:10:41 GMT
Prasanth Jayachandran created HIVE-15828:
--------------------------------------------

             Summary: LLAP: Create root path of znode in init/start of registry service
                 Key: HIVE-15828
                 URL: https://issues.apache.org/jira/browse/HIVE-15828
             Project: Hive
          Issue Type: Bug
          Components: llap
    Affects Versions: 2.2.0
            Reporter: Prasanth Jayachandran
            Assignee: Prasanth Jayachandran


When there are no llap daemons running, if getInstances() in registry service is invoked this
can result in InvalidACLException since no daemons created zpath yet. The root path will not
exist when instance cache populates entries under root path. If the root path creation is
moved to init/start then getInstances() can return empty instead of failing with exception.




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