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https://issues.apache.org/jira/browse/IGNITE-8922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16549259#comment-16549259
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ASF GitHub Bot commented on IGNITE-8922:
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Github user asfgit closed the pull request at:
https://github.com/apache/ignite/pull/4349
> Discovery message delivery guarantee can be violated
> ----------------------------------------------------
>
> Key: IGNITE-8922
> URL: https://issues.apache.org/jira/browse/IGNITE-8922
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 2.5
> Reporter: Denis Mekhanikov
> Assignee: Denis Mekhanikov
> Priority: Critical
> Fix For: 2.7
>
> Attachments: PendingMessageResendTest.java
>
>
> Under certain circumstances discovery messages may be delivered only to a
> part of nodes.
> It happens because pending messages are not resent due to data inconsistency
> in {{ServerImpl#PendingMessages}} class. If {{discardId}} or
> {{customDiscardId}} point to a message, that is not present in the queue,
> then other messages will be skipped and won't be resent. It may happen, for
> example, when queue in {{PendingMessages}} is overflown.
> PFA test, that reproduces this problem.
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