Prasanth Jayachandran created HIVE-15828:
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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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