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https://issues.apache.org/jira/browse/IGNITE-4111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16670226#comment-16670226
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Amelchev Nikita commented on IGNITE-4111:
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I have used the new method of test listening method and merged new master one
more time. TC tests are OK.
> Communication fails to send message if target node did not finish join process
> ------------------------------------------------------------------------------
>
> Key: IGNITE-4111
> URL: https://issues.apache.org/jira/browse/IGNITE-4111
> Project: Ignite
> Issue Type: Bug
> Components: general
> Reporter: Semen Boikov
> Assignee: Amelchev Nikita
> Priority: Minor
> Fix For: 2.8
>
> Attachments: test onFirstMessage hang.log
>
>
> Currently this scenario is possible:
> - joining node sent join request and waits for
> TcpDiscoveryNodeAddFinishedMessage inside ServerImpl.joinTopology
> - others nodes already see this node and can send messages to it (for example
> try to run compute job on this node)
> - joining node can not receive message: TcpCommunicationSpi will hang inside
> 'onFirstMessage' on 'getSpiContext' call, so sending node will get error
> trying to establish connection
> Possible fix: if in onFirstMessage() spi context is not available, then
> TcpCommunicationSpi should send special response which indicates that this
> node is not ready yet, and sender should retry after some time.
> Also need check internal code for places where message can be unnecessarily
> sent to node: one such place is
> GridCachePartitionExchangeManager.refreshPartitions - message is sent to all
> known nodes, but here we can filter by node order / finished exchage version.
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