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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4996) unbalanced calls to openTransaction/commitTransaction
Date Mon, 06 Jan 2014 16:54:06 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13863105#comment-13863105
] 

Sergey Shelukhin commented on HIVE-4996:
----------------------------------------

HIVE-4807 changed it to bonecp due to another bug. Maybe some additional instrumentation (such
as tracking db queries) can uncover the cause of this bug, instead of just changing it

> unbalanced calls to openTransaction/commitTransaction
> -----------------------------------------------------
>
>                 Key: HIVE-4996
>                 URL: https://issues.apache.org/jira/browse/HIVE-4996
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.10.0, 0.11.0, 0.12.0
>         Environment: hiveserver1  Java HotSpot(TM) 64-Bit Server VM (build 20.6-b01,
mixed mode)
>            Reporter: wangfeng
>            Priority: Critical
>              Labels: hive, metastore
>         Attachments: hive-4996.path
>
>   Original Estimate: 504h
>  Remaining Estimate: 504h
>
> when we used hiveserver1 based on hive-0.10.0, we found the Exception thrown.It was:
> FAILED: Error in metadata: MetaException(message:java.lang.RuntimeException: commitTransaction
was called but openTransactionCalls = 0. This probably indicates that the
> re are unbalanced calls to openTransaction/commitTransaction)
> FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask
> help



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