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From "Sergey Shelukhin (JIRA)" <>
Subject [jira] [Commented] (HIVE-11501) HiveConnection.readOnly always throws a "Method not supported" exception
Date Mon, 10 Aug 2015 18:40:45 GMT


Sergey Shelukhin commented on HIVE-11501:


> HiveConnection.readOnly always throws a "Method not supported" exception
> ------------------------------------------------------------------------
>                 Key: HIVE-11501
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Michał Węgrzyn
>            Assignee: Michał Węgrzyn
>         Attachments: HIVE-11501.patch
> HiveConnection.setReadOnly's automatically generated implementation always throws a generic
"Method not supported" exception and thus is not compliant with the JDBC spec. Per JDBC spec,
an exception can be thrown only if the connection is closed, DB access error occurs or the
method is called during a transaction (which is not a case for HiveConnection). 
> JDBC spec does not say a word about not supporting the method by the driver. The most
correct behavior could be to throw only if the request tries to enable the read-only mode
(as HiveConnection.isReadOnly always returns false).
> This issue is a blocker for JDBC connection pools (i.e. HikariCP) that expect JDBC-compliant
behavior from the driver.

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