Thejas M Nair created HIVE-19776:
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Summary: HS2 retry of start has concurrency issues
Key: HIVE-19776
URL: https://issues.apache.org/jira/browse/HIVE-19776
Project: Hive
Issue Type: Improvement
Reporter: Thejas M Nair
Assignee: Thejas M Nair
HS2 starts the thrift binary/http servers in background, while it proceeds to
do other setup (eg create zookeeper entries). If there is a ZK error and it
attempts to stop and start in the retry loop within
HiveServer2.startHiveServer2, the retry fails because the thrift server doesn't
get stopped if it was still getting initialized.
The thrift server initialization and stopping needs to be synchronized.
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