[jira] [Assigned] (IGNITE-4111) Communication fails to send message if target node did not finish join process

["Alexander (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-4111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexander reassigned IGNITE-4111:
---------------------------------

    Assignee: Alexander

> 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: Alexander
>             Fix For: 1.8
>
>
> 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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