[jira] [Commented] (FLINK-20658) Make sure jdbc connection is established by target driver

["Kezhu Wang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-20658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17252454#comment-17252454 ] 

Kezhu Wang commented on FLINK-20658:
------------------------------------

It is a step to driver class customization discussed in FLINK-19435. I propose to change {{Class.forName(driverName)}} to {{Class.forName(driverName, true, Thread.currentThread().getContextClassLoader())}} also, it should solve one additional problem: class not found if {{flink-connector-jdbc}} resides in flink lib while {{driverName}} resides in application jars.

[~lzljs3620320] [~jark] [~roman_khachatryan] What do you think ? Could you mind assign this to me if above sounds good ? 

> Make sure jdbc connection is established by target driver
> ---------------------------------------------------------
>
>                 Key: FLINK-20658
>                 URL: https://issues.apache.org/jira/browse/FLINK-20658
>             Project: Flink
>          Issue Type: New Feature
>          Components: Connectors / JDBC, Table SQL / Ecosystem
>    Affects Versions: 1.13.0
>            Reporter: Kezhu Wang
>            Priority: Major
>
> Currently, {{SimpleJdbcConnectionProvider.getConnection}} may return connection established by driver different from {{jdbcOptions.driverName}} if there are multiple driver implementations for same jdbc url exist in class path.



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