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https://issues.apache.org/jira/browse/HIVE-21887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916518#comment-16916518
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Zoltan Haindrich commented on HIVE-21887:
-----------------------------------------
patch#3)
* shade the "right" library in ql
* Hive.registerFunctions have ignored Errors/Throwables which could have lead
to a hang in case of a ClassNotFoundException
> Multiple implementations of PersistenceManager are on the classpath
> -------------------------------------------------------------------
>
> Key: HIVE-21887
> URL: https://issues.apache.org/jira/browse/HIVE-21887
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-21887.01.patch, HIVE-21887.01.patch,
> HIVE-21887.01.patch, HIVE-21887.02.patch, HIVE-21887.03.patch
>
>
> While writing some test I've just bumped into that PersistenceManager is not
> always AutoCloseable ; however when I was using it from the metastore it was.
> it turned out that:
> * 'standalone-metastore' uses: org.datanucleus:javax.jdo:3.2.0-m3
> * 'metastore' uses: javax.jdo:jdo-api:3.0.1
> the problem is that both dependency contains the jdo api; and sometimes
> jdo-api is earlier on the classpath
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