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https://issues.apache.org/jira/browse/HIVE-8326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14155656#comment-14155656
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Alan Gates commented on HIVE-8326:
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This is an invalid configuration and should result in an error, but the error
should come at compile time rather than runtime.
> Using DbTxnManager with concurrency off results in run time error
> -----------------------------------------------------------------
>
> Key: HIVE-8326
> URL: https://issues.apache.org/jira/browse/HIVE-8326
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Affects Versions: 0.14.0
> Reporter: Alan Gates
> Assignee: Alan Gates
>
> Setting
> {code}
> hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager
> hive.support.concurrency=false
> {code}
> results in queries failing at runtime with an NPE in DbTxnManager.heartbeat.
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