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https://issues.apache.org/jira/browse/IGNITE-11958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16878023#comment-16878023
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Denis Chudov commented on IGNITE-11958:
---------------------------------------

[~agura] motivation is that JDBC connection may work incorrectly in some cases 
when using security and the root cause is that validation of connection itself 
relies on cache validation, producing illegal {{SQLException}} if cache 
validation fails for some reasons. It will be more correct to do connection 
validation with separate task.

> JDBC connection validation should use it's own task instead of cache 
> validation task
> ------------------------------------------------------------------------------------
>
>                 Key: IGNITE-11958
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11958
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Denis Chudov
>            Assignee: Denis Chudov
>            Priority: Major
>             Fix For: 2.8
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> JDBC connection is validated using GridCacheQueryJdbcValidationTask. We 
> should create own validation task for this activity.
>  



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