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https://issues.apache.org/jira/browse/HIVE-11915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14933769#comment-14933769
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Sergey Shelukhin commented on HIVE-11915:
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wrt log - it's only set for BoneCP.
wrt retries for other pools - I don't think it's a good idea... The exception
can easily be non-recoverable, and this will introduce a delay. We should deal
with these on case by case basis.
> BoneCP returns closed connections from the pool
> -----------------------------------------------
>
> Key: HIVE-11915
> URL: https://issues.apache.org/jira/browse/HIVE-11915
> Project: Hive
> Issue Type: Bug
> Reporter: Takahiko Saito
> Assignee: Sergey Shelukhin
> Attachments: HIVE-11915.01.patch, HIVE-11915.WIP.patch,
> HIVE-11915.patch
>
>
> It's a very old bug in BoneCP and it will never be fixed... There are
> multiple workarounds on the internet but according to responses they are all
> unreliable. We should upgrade to HikariCP (which in turn is only supported by
> DN 4), meanwhile try some shamanic rituals. In this JIRA we will try a
> relatively weak drum.
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