Viraj Jasani created PHOENIX-6950:
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Summary: PhoenixDriver APIs should unlock closeLock only if thread
is able to take lock
Key: PHOENIX-6950
URL: https://issues.apache.org/jira/browse/PHOENIX-6950
Project: Phoenix
Issue Type: Bug
Reporter: Viraj Jasani
Assignee: Viraj Jasani
The bug surfaces rarely. We take read lock on closeLock as part of
PhoenixDriver connect, getQueryServices, getConnectionQueryServices APIs.
However, taking the locks is part of try block and we always try to perform the
unlock on closeLock as part of finally block.
If the lock could not be acquired because the current thread was interrupted,
we should not be allowed to unlock it. We can resolve this by:
# Allow taking read lock outside of try and deal with InterruptedException by
throwing SQLException
# Use additional arg in PhoenixDriver#lockInterruptibly to ensure whether the
lock could not be obtained by the current thread and use the info while
unlocking
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