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https://issues.apache.org/jira/browse/IGNITE-8869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16536754#comment-16536754
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Ivan Daschinskiy commented on IGNITE-8869:
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[~v.pyatkov] [~agura] Guys, I'm sorry but I've forgotten to exclude daemon 
nodes from filter. This can possible cause hang of the grid. I've corrected 
this mistake and made TC run again. Could you please review and merge this 
little patch? 

> PartitionsExchangeOnDiscoveryHistoryOverflowTest hangs on TeamCity
> ------------------------------------------------------------------
>
>                 Key: IGNITE-8869
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8869
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.5
>            Reporter: Ivan Daschinskiy
>            Assignee: Ivan Daschinskiy
>            Priority: Critical
>              Labels: MakeTeamcityGreenAgain
>             Fix For: 2.7
>
>
> After introduction of ExhangeLatches, 
> PartitionsExchangeOnDiscoveryHistoryOverflowTest  will hangs permanently.  In 
> current implementation, ExchangeLatchManager retrieves alive nodes from 
> discoveryCache with specific affinity topology version and fails because of a 
> too short discovery history. This causes fail of exchange-worker and 
> therefore NoOpFailureHandler leaves node in hanging state.



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