Paul Yang created HIVE-3000:
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Summary: Potential infinite loop / log spew in
ZookeeperHiveLockManager
Key: HIVE-3000
URL: https://issues.apache.org/jira/browse/HIVE-3000
Project: Hive
Issue Type: Bug
Components: Locking
Affects Versions: 0.9.0
Reporter: Paul Yang
See ZookeeperHiveLockManger.lock()
If Zookeeper is in a bad state, it's possible to get an exception (e.g.
org.apache.zookeeper.KeeperException$SessionExpiredException) when we call
lockPrimitive(). There is a bug in the exception handler where the loop does
not exit because the break in the switch statement gets out the switch, not the
do..while loop. Because tryNum was not incremented due to the exception,
lockPrimitive() will be called in an infinite loop, as fast as possible. Since
the exception is printed for each call, Hive will produce significant log spew.
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