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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9642) Hive metastore client retries don't happen consistently for all api calls
Date Thu, 26 Feb 2015 21:17:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14339176#comment-14339176
] 

Xiaobing Zhou commented on HIVE-9642:
-------------------------------------

Thanks [~thejas]. Let's wait for HIVE-9582 committed so that I can make a patch based on that,
otherwise, duplicate efforts. 

> Hive metastore client retries don't happen consistently for all api calls
> -------------------------------------------------------------------------
>
>                 Key: HIVE-9642
>                 URL: https://issues.apache.org/jira/browse/HIVE-9642
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>         Attachments: HIVE-9642.1.patch, HIVE-9642.2.patch
>
>
> When org.apache.thrift.transport.TTransportException is thrown for issues like socket
timeout, the retry via RetryingMetaStoreClient happens only in certain cases.
> Retry happens for the getDatabase call in but not for getAllDatabases().
> The reason is RetryingMetaStoreClient checks for TTransportException being the cause
for InvocationTargetException. But in case of some calls such as getAllDatabases in HiveMetastoreClient,
all exceptions get wrapped in a MetaException. We should remove this unnecessary wrapping
of exceptions for certain functions in HMC.



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