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https://issues.apache.org/jira/browse/LENS-468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14386498#comment-14386498
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Jaideep Dhok commented on LENS-468:
-----------------------------------

review request - https://reviews.apache.org/r/32614/

> Connection leak in JDBCDriver.estimate path
> -------------------------------------------
>
>                 Key: LENS-468
>                 URL: https://issues.apache.org/jira/browse/LENS-468
>             Project: Apache Lens
>          Issue Type: Bug
>          Components: driver-jdbc
>    Affects Versions: 2.1
>            Reporter: Jaideep Dhok
>            Assignee: Jaideep Dhok
>            Priority: Critical
>             Fix For: 2.1
>
>
> JDBCDriver.prepareInternal takes a ready made connection, and does rewrite 
> followed by prepared statement on the rewritten query. If rewrite throws an 
> exception, the connection is not closed.



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