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From "Andy Jefferson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-1853) downgrade JDO version
Date Fri, 23 Mar 2012 09:27:25 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13236476#comment-13236476
] 

Andy Jefferson commented on HIVE-1853:
--------------------------------------

> Since the bug is within the newer version JDO/datanucleus

Why not reference what this bug was in DataNucleus JIRA ? that way someone at that side can
understand what this refers to. Or maybe it was never reported to DataNucleus?
                
> downgrade JDO version
> ---------------------
>
>                 Key: HIVE-1853
>                 URL: https://issues.apache.org/jira/browse/HIVE-1853
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.7.0
>            Reporter: Namit Jain
>            Assignee: Paul Yang
>             Fix For: 0.7.0
>
>         Attachments: HIVE-1853.1.patch, HIVE-1853.2.patch
>
>
> After HIVE-1609, we are seeing some table not found errors intermittently.
> We have a test case where 5 processes are concurrently issueing the same query - 
> explain extended insert .. select from <T>
> and once in a while, we get a error <T> not found - 
> When we revert back the JDO version, the error is gone.
> We can investigate later to find the JDO bug, but for now this is a show-stopper for
facebook, and needs
> to be reverted back immediately.
> This also means, that the filters will not be pushed to mysql.

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