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https://issues.apache.org/jira/browse/HIVE-19597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497436#comment-16497436
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Sergey Shelukhin commented on HIVE-19597:
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Looks like the test event can get overwritten and never be triggered.
[~prasanth_j] can you take a look?
I'm also adding some logging to make it easier to debug.
> TestWorkloadManager sometimes hangs
> -----------------------------------
>
> Key: HIVE-19597
> URL: https://issues.apache.org/jira/browse/HIVE-19597
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Major
> Attachments: HIVE-19597.patch
>
>
> Seems like the tests randomly get stuck after the lines like
> {noformat}
> 2018-05-17T01:54:27,111 INFO [Workload management master]
> tez.WorkloadManager: Processing current events
> 2018-05-17T01:54:27,603 INFO [TriggerValidator]
> tez.PerPoolTriggerValidatorRunnable: Creating trigger validator for pool: llap
> 2018-05-17T01:54:37,090 DEBUG [Thread-28] conf.HiveConf: Found metastore URI
> of null
> {noformat}
> Then they get killed by timeout. Happened in the same manner, to random tests
> in a few separate runs.
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