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https://issues.apache.org/jira/browse/IGNITE-8421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16465993#comment-16465993
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Andrey Gura commented on IGNITE-8421:
-------------------------------------
Merged to ignite-2.5 branch.
> ZkDistributedCollectDataFuture fails to delete future data in case of
> concurrent deletion
> -----------------------------------------------------------------------------------------
>
> Key: IGNITE-8421
> URL: https://issues.apache.org/jira/browse/IGNITE-8421
> Project: Ignite
> Issue Type: Bug
> Components: zookeeper
> Affects Versions: 2.5
> Reporter: Sergey Chugunov
> Assignee: Sergey Chugunov
> Priority: Critical
> Fix For: 2.5
>
>
> In *ZkDistributedCollectDataFuture#deleteFutureData* method
> KeeperException.NoNodeException may be thrown but the exception isn't
> critical in this context and doesn't require special handling (just logging
> is enough).
> However *deleteFutureData* relies on *ZookeeperClient#getChildren* which
> reacts on any exception (including NoNodeException) by killing current Ignite
> node.
> Another implementation of *ZookeeperClient#getChildren* is needed which
> tolerates NoNodeException.
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