Gopal V created HIVE-10736:
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Summary: LLAP: HiveServer2 shutdown of cached tez app-masters is
not clean
Key: HIVE-10736
URL: https://issues.apache.org/jira/browse/HIVE-10736
Project: Hive
Issue Type: Bug
Components: HiveServer2
Reporter: Gopal V
Assignee: Vikram Dixit K
The shutdown process throws concurrent modification exceptions and fails to
clean up the app masters per queue.
{code}
2015-05-17 20:24:00,464 INFO [Thread-6()]: service.AbstractService
(AbstractService.java:stop(125)) - Service:OperationManager is stopped.
2015-05-17 20:24:00,464 INFO [Thread-6()]: service.AbstractService
(AbstractService.java:stop(125)) - Service:SessionManager is stopped.
2015-05-17 20:24:00,464 INFO [Thread-9()]: tez.TezSessionPoolManager
(TezSessionPoolManager.java:close(175)) - Closing tez session default? true
2015-05-17 20:24:00,465 INFO [Thread-9()]: tez.TezSessionPoolManager
(TezSessionPoolManager.java:close(175)) - Closing tez session default? true
2015-05-17 20:24:00,465 INFO [Thread-9()]: tez.TezSessionPoolManager
(TezSessionPoolManager.java:close(175)) - Closing tez session default? true
2015-05-17 20:24:00,465 INFO [Thread-9()]: tez.TezSessionPoolManager
(TezSessionPoolManager.java:close(175)) - Closing tez session default? true
2015-05-17 20:24:00,465 INFO [Thread-9()]: tez.TezSessionPoolManager
(TezSessionPoolManager.java:close(175)) - Closing tez session default? true
2015-05-17 20:24:00,465 INFO [Thread-9()]: tez.TezSessionPoolManager
(TezSessionPoolManager.java:close(175)) - Closing tez session default? true
2015-05-17 20:24:00,465 INFO [Thread-9()]: tez.TezSessionPoolManager
(TezSessionPoolManager.java:close(175)) - Closing tez session default? true
2015-05-17 20:24:00,465 INFO [Thread-9()]: tez.TezSessionPoolManager
(TezSessionPoolManager.java:close(175)) - Closing tez session default? true
2015-05-17 20:24:00,465 INFO [Thread-6()]: service.AbstractService
(AbstractService.java:stop(125)) - Service:CLIService is stopped.
2015-05-17 20:24:00,465 INFO [Thread-6()]: service.AbstractService
(AbstractService.java:stop(125)) - Service:HiveServer2 is stopped.
2015-05-17 20:24:00,465 INFO [Thread-6()]: tez.TezSessionState
(TezSessionState.java:close(332)) - Closing Tez Session
2015-05-17 20:24:00,466 INFO [Thread-6()]: client.TezClient
(TezClient.java:stop(495)) - Shutting down Tez Session,
sessionName=HIVE-94cc629d-63bc-490a-a135-af85c0cc0f2e,
applicationId=application_1431919257083_0012
2015-05-17 20:24:00,570 ERROR [Thread-6()]: server.HiveServer2
(HiveServer2.java:stop(322)) - Tez session pool manager stop had an error
during stop of HiveServer2. Shutting down HiveServer2 anyway.
java.util.ConcurrentModificationException
at
java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966)
at java.util.LinkedList$ListItr.next(LinkedList.java:888)
at
org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.stop(TezSessionPoolManager.java:187)
at org.apache.hive.service.server.HiveServer2.stop(HiveServer2.java:320)
at
org.apache.hive.service.server.HiveServer2$1.run(HiveServer2.java:107)
{code}
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