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https://issues.apache.org/jira/browse/YARN-6970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119039#comment-16119039
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Giovanni Matteo Fumarola commented on YARN-6970:
------------------------------------------------

{{SQLException}} in {{SQLFederationStateStore}} are treated as 
{{RetriableException}}. So far, we added all the exceptions that require a 
retry logic. 

> Add PoolInitializationException as retriable exception in FederationFacade
> --------------------------------------------------------------------------
>
>                 Key: YARN-6970
>                 URL: https://issues.apache.org/jira/browse/YARN-6970
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Giovanni Matteo Fumarola
>            Assignee: Giovanni Matteo Fumarola
>         Attachments: YARN-6970.v1.patch
>
>
> During an execution we found that Hikari can throw a 
> PoolInitializationException. It has to be an retriable exception in 
> {{FederationStateStoreFacade}}.



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