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https://issues.apache.org/jira/browse/IGNITE-3606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Semen Boikov updated IGNITE-3606:
---------------------------------
Fix Version/s: (was: 1.8)
2.0
> Node sometimes fails to detect broken connection
> ------------------------------------------------
>
> Key: IGNITE-3606
> URL: https://issues.apache.org/jira/browse/IGNITE-3606
> Project: Ignite
> Issue Type: Bug
> Components: general
> Reporter: Semen Boikov
> Priority: Critical
> Fix For: 2.0
>
>
> Here is test reproducing issue
> https://github.com/rossdanderson/IgniteDeadlock.
> When I run this test observe this sequence:
> - server starts
> - client starts
> - server sends 2000 messages to client, on client node communication
> backpressure pauses reads
> - server gets write timeout and closes socket
> - for some reason client does not detect that existing connection was broken
> and thinks that connection is still established (most probably because reads
> are paused and node does not try to access connection)
> - when server tries to re-connec, client sees that connection already
> established and rejects connection, so server constantly tries to reconnect
> and does not exit from reconnect loop:
> {noformat}
> "main" prio=6 tid=0x0000000001f4a000 nid=0x3588 waiting on condition
> [0x00000000021ed000]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at
> org.apache.ignite.internal.util.IgniteUtils.sleep(IgniteUtils.java:7414)
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.reserveClient(TcpCommunicationSpi.java:2055)
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.sendMessage0(TcpCommunicationSpi.java:1970)
> at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.sendMessage(TcpCommunicationSpi.java:1936)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.send(GridIoManager.java:1304)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.sendOrderedMessage(GridIoManager.java:1540)
> {noformat}
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