[jira] [Updated] (IGNITE-3428) TcpCommunicationSpi: potential message lost during reconnect

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

     [ https://issues.apache.org/jira/browse/IGNITE-3428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Goncharuk updated IGNITE-3428:
-------------------------------------
    Fix Version/s: 1.8

> TcpCommunicationSpi: potential message lost during reconnect
> ------------------------------------------------------------
>
>                 Key: IGNITE-3428
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3428
>             Project: Ignite
>          Issue Type: Bug
>          Components: general
>            Reporter: Semen Boikov
>            Priority: Critical
>             Fix For: 1.8
>
>
> Added test reproducing lost message during reconnect: IgniteCacheMessageRecoveryIdleConnection. 
> It is possible that method 'send' finished, then connection closed, there are unacknowledged messages, but communication does not try to reconnect (if there are no others messages to be sent to this node).
> Looks like there are at least 2 issues:
> - 'onDisconnected' checks result of 'clients.remove(id, rmv)' to trigger reconnect. this is not saf (e.g. client is removed when session is closed on idle timeout)
> - 'onDisconnected' checks that messagesFutures() collection is not empty, but 'onDisconnected' is erroneously called before all futures are polled from closing session (GridNioService.AbstractNioClientWorker.close)



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