Roman Guseinov commented on IGNITE-7192:

[~skalashnikov], Thanks for your comments. Added one more commit to fix style 
violations. Please take a look.

> JDBC: support FQDN to multiple IPs during connection establishment
> ------------------------------------------------------------------
>                 Key: IGNITE-7192
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7192
>             Project: Ignite
>          Issue Type: Improvement
>          Components: jdbc
>    Affects Versions: 2.1
>            Reporter: Alexey Popov
>            Assignee: Roman Guseinov
>            Priority: Major
>              Labels: pull-request-available
> Thin JDBC driver may have FQDN (host name) at a connection string.
> Currently, it resolves this FQDN to one IP and tries to connect to this IP 
> only.
> It is better to try to connect to multiple IPs one-by-one if DNS returns 
> multiple A-records (FQDN can be resolved to several IPs) until successful 
> connection. It could give a simple fallback option for the JDBC thin driver 
> users.
> A similar functionality is already implemented in ODBC driver.

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