Srimanth Gunturi created AMBARI-12280:
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Summary: HiveServer2 upgrade/downgrade should deregister old
server after new one is started
Key: AMBARI-12280
URL: https://issues.apache.org/jira/browse/AMBARI-12280
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.1.0
Reporter: Srimanth Gunturi
Assignee: Srimanth Gunturi
Priority: Critical
Fix For: 2.1.0
During upgrade/downgrade, the deregister is happening before the new HS2 is
started. This can lead to a case where there is no HS2 up and running. The
order needs to be fixed, to first start target version of HS2 and then do the
deregister.
1. Switch hive-server2 to the new software version, start the new process, and
deregister the old version of hive-server2:
Since the current version would have changed before hive version is obtained
for deregister command, the version should be obtained using the HDP versioned
path.
/usr/hdp/$HDP_VERSION/hive/bin/hive --version
It will be safer to use the full path to hive for this, instead of relying on
the $PATH variable setting.
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