[jira] [Created] (IGNITE-8421) ZkDistributedCollectDataFuture fails to delete future data in case of concurrent deletion

[Anton Vinogradov (Jira)]

Sergey Chugunov created IGNITE-8421:
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             Summary: 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
             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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