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https://issues.apache.org/jira/browse/HIVE-1261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12848824#action_12848824
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Namit Jain commented on HIVE-1261:
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will commit after the tests pass
> ql.metadata.Hive#close() should check for null metaStoreClient
> --------------------------------------------------------------
>
> Key: HIVE-1261
> URL: https://issues.apache.org/jira/browse/HIVE-1261
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: bc Wong
> Assignee: bc Wong
> Attachments: HIVE-1261-1.patch, HIVE-1261-2.patch
>
>
> {{ql.metadata.Hive#close()}} always does a {{metaStoreClient.close()}}, even
> though it might be null.
> I'd like to reuse the same thread for multiple queries from different users.
> Since it's a different user, {{HiveConf}} has a new ugi. But it's not easy to
> get rid of (or update) the cached {{ql.metadata.Hive}}. The cleanest way
> seems to be {{Hive.closeCurrent()}}, which unfortunately doesn't check for
> the {{metaStoreClient}} being {{null}}.
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