Samarth Jain created PHOENIX-3535:
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Summary: Fix race condition in
ConnectionQueryServicesImpl#acquireUpgradeMutex
Key: PHOENIX-3535
URL: https://issues.apache.org/jira/browse/PHOENIX-3535
Project: Phoenix
Issue Type: Bug
Reporter: Samarth Jain
Conversation on HBASE-17300 revealed that concurrently creating a table,
checking for its existence and performing an operation on it is fraught with
races. This race condition is causing
UpgradeIT#testConcurrentUpgradeThrowsUpgradeInProgressException to fail. We
need to figure out a way for not creating/checking existence of the
SYSTEM.MUTEX table.
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