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https://issues.apache.org/jira/browse/HIVE-17645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16211822#comment-16211822
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Sergey Shelukhin commented on HIVE-17645:
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Hmm.. how can it be valid to have multiple txn managers in a single HS2?
> MM tables patch conflicts with HIVE-17482 (Spark/Acid integration)
> ------------------------------------------------------------------
>
> Key: HIVE-17645
> URL: https://issues.apache.org/jira/browse/HIVE-17645
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Affects Versions: 3.0.0
> Reporter: Eugene Koifman
>
> MM code introduces
> {noformat}
> HiveTxnManager txnManager = SessionState.get().getTxnMgr()
> {noformat}
> in a number of places (e.g _DDLTask.generateAddMmTasks(Table tbl)_).
> HIVE-17482 adds a mode where a TransactionManager not associated with the
> session should be used. This will need to be addressed.
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