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https://issues.apache.org/jira/browse/IGNITE-4111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15711949#comment-15711949
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ASF GitHub Bot commented on IGNITE-4111:
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GitHub user akuramshingg opened a pull request:

    https://github.com/apache/ignite/pull/1307

    IGNITE-4111

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/gridgain/apache-ignite ignite-4111

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/ignite/pull/1307.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1307
    
----

----


> 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: Semen Boikov
>             Fix For: 2.0
>
>         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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