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https://issues.apache.org/jira/browse/HIVE-7950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14127407#comment-14127407
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Josh Elser commented on HIVE-7950:
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Ok, I figured a bit more out here. I believe that the AM *is* correctly getting
the extra jars from the storage handler as expected. The subsequent errors are
coming from the containers that are started to actually run the DAG (rather
than the coordination from the tez AM).
The interesting part is that the patch (HIVE-7950-1.diff) which starts a brand
new Session will result in a successful query. It seems like maybe Tez isn't
passing along the extra resources we added to the running session (AM) in Hive
along to the DAG containers to actually run the query. I have no idea at this
point if this is a problem in how hive is using tez or if it's a bug in tez
itself...
> StorageHandler resources aren't added to Tez Session if already Session is
> already Open
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-7950
> URL: https://issues.apache.org/jira/browse/HIVE-7950
> Project: Hive
> Issue Type: Bug
> Components: StorageHandler, Tez
> Reporter: Josh Elser
> Assignee: Josh Elser
> Fix For: 0.14.0
>
> Attachments: HIVE-7950-1.diff, hive-7950-tez-WIP.diff
>
>
> Was trying to run some queries using the AccumuloStorageHandler when using
> the Tez execution engine. Some things that classes which were added to
> tmpjars weren't making it into the container. When a Tez Session is already
> open, as is the normal case when simply using the `hive` command, the
> resources aren't added.
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