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From "Szehon Ho (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4996) unbalanced calls to openTransaction/commitTransaction
Date Thu, 30 Jan 2014 18:42:16 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13886892#comment-13886892
] 

Szehon Ho commented on HIVE-4996:
---------------------------------

In some more testing, the workaround for the issue is to set the configuration hive.metastore.ds.retry.attempts=0,
as this de-activates RetryingMetastore.  If there is any transient BoneCP error like this,
RetryingHMSHandler will retry whole transaction from the beginning.

> 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
>            Assignee: Szehon Ho
>            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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